                                                                               
      **********************************************************************   
      *                                                                    *   
      *                   I E R S   B U L L E T I N - A                    *   
      *                                                                    *   
      *           Rapid Service/Prediction of Earth Orientation            *   
      **********************************************************************   
      2 April 2020                                       Vol. XXXIII No. 014   
      ______________________________________________________________________   
      GENERAL INFORMATION:                                                     
         To receive this information electronically, contact:                  
            ser7@maia.usno.navy.mil or use                                     
            <http://maia.usno.navy.mil/docrequest.html>                        
         MJD = Julian Date - 2 400 000.5 days                                  
         UT2-UT1 = 0.022 sin(2*pi*T) - 0.012 cos(2*pi*T)                       
                                     - 0.006 sin(4*pi*T) + 0.007 cos(4*pi*T)   
            where pi = 3.14159265... and T is the date in Besselian years.     
         TT = TAI + 32.184 seconds                                             
         DUT1= (UT1-UTC) transmitted with time signals                         
             =  -0.2 seconds beginning 02 May 2019 at 0000 UTC                 
         Beginning 1 January 2017:                                             
            TAI-UTC = 37.000 000 seconds                                       
     ***********************************************************************
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     ***********************************************************************
     ________________________________________________________________________  
       The contributed observations used in the preparation of this Bulletin   
       are available at <http://www.usno.navy.mil/USNO/earth-orientation/      
       eo-info/general/input-data>. The contributed analysis results are based 
       on data from Very Long Baseline Interferometry (VLBI), Satellite Laser  
       Ranging (SLR), the Global Positioning System (GPS) satellites, Lunar    
       Laser Ranging (LLR), and meteorological predictions of variations in    
       Atmospheric Angular Momentum (AAM).                                     
     ________________________________________________________________________  
                                                                               
      COMBINED EARTH ORIENTATION PARAMETERS:                                   
                                                                               
                              IERS Rapid Service                               
              MJD      x    error     y    error   UT1-UTC   error             
                       "      "       "      "        s        s               
   20  3 27  58935 0.04422 .00009 0.39410 .00009 -0.223573 0.000025          
   20  3 28  58936 0.04472 .00009 0.39515 .00009 -0.224034 0.000023          
   20  3 29  58937 0.04576 .00009 0.39645 .00009 -0.224430 0.000020          
   20  3 30  58938 0.04709 .00009 0.39799 .00009 -0.224714 0.000015          
   20  3 31  58939 0.04880 .00009 0.39963 .00009 -0.224931 0.000014          
   20  4  1  58940 0.05074 .00009 0.40135 .00009 -0.225153 0.000010          
   20  4  2  58941 0.05258 .00009 0.40326 .00009 -0.225416 0.000055          
                                                                               
                              IERS Final Values                                
                               MJD        x        y      UT1-UTC              
                                          "        "         s                 
           20  2  2           58881    0.0435   0.3160  -0.19172       
           20  2  3           58882    0.0427   0.3177  -0.19217       
           20  2  4           58883    0.0422   0.3194  -0.19251       
           20  2  5           58884    0.0422   0.3212  -0.19274       
           20  2  6           58885    0.0414   0.3229  -0.19286       
           20  2  7           58886    0.0401   0.3240  -0.19294       
           20  2  8           58887    0.0387   0.3249  -0.19302       
           20  2  9           58888    0.0379   0.3253  -0.19327       
           20  2 10           58889    0.0376   0.3260  -0.19379       
           20  2 11           58890    0.0373   0.3273  -0.19459       
           20  2 12           58891    0.0374   0.3287  -0.19554       
           20  2 13           58892    0.0374   0.3302  -0.19653       
           20  2 14           58893    0.0365   0.3320  -0.19743       
           20  2 15           58894    0.0349   0.3333  -0.19814       
           20  2 16           58895    0.0331   0.3340  -0.19862       
           20  2 17           58896    0.0315   0.3349  -0.19892       
           20  2 18           58897    0.0307   0.3360  -0.19907       
           20  2 19           58898    0.0303   0.3376  -0.19910       
           20  2 20           58899    0.0296   0.3390  -0.19912       
           20  2 21           58900    0.0285   0.3400  -0.19923       
           20  2 22           58901    0.0275   0.3408  -0.19951       
           20  2 23           58902    0.0270   0.3416  -0.19997       
           20  2 24           58903    0.0271   0.3427  -0.20056       
           20  2 25           58904    0.0274   0.3446  -0.20125       
           20  2 26           58905    0.0280   0.3467  -0.20199       
           20  2 27           58906    0.0285   0.3489  -0.20276       
           20  2 28           58907    0.0288   0.3511  -0.20353       
           20  2 29           58908    0.0282   0.3533  -0.20427       
           20  3  1           58909    0.0277   0.3553  -0.20497       
                                                                               
      _______________________________________________________________________  
                                                                               
      PREDICTIONS:                                                             
      The following formulas will not reproduce the predictions given below,   
      but may be used to extend the predictions beyond the end of this table.  
                                                                               
      x =  0.1350 - 0.0933 cos A + 0.0371 sin A + 0.0114 cos C + 0.0143 sin C  
      y =  0.3540 + 0.0350 cos A + 0.0844 sin A + 0.0143 cos C - 0.0114 sin C  
         UT1-UTC = -0.2066 - 0.00018 (MJD - 58949) - (UT2-UT1)                 
                                                                               
      where A = 2*pi*(MJD-58941)/365.25 and C = 2*pi*(MJD-58941)/435.          
                                                                               
         TAI-UTC(MJD 58942) = 37.0                                             
      The accuracy may be estimated from the expressions:                      
      S x,y = 0.00068 (MJD-58941)**0.80   S t = 0.00025 (MJD-58941)**0.75      
      Estimated accuracies are:  Predictions     10 d   20 d   30 d   40 d     
                                 Polar coord's  0.004  0.007  0.010  0.013     
                                 UT1-UTC        0.0014 0.0024 0.0032 0.0040    
                                                                               
                    MJD      x(arcsec)   y(arcsec)   UT1-UTC(sec)              
       2020  4  3  58942       0.0540      0.4052     -0.22578         
       2020  4  4  58943       0.0552      0.4069     -0.22637         
       2020  4  5  58944       0.0562      0.4085     -0.22724         
       2020  4  6  58945       0.0573      0.4098     -0.22842         
       2020  4  7  58946       0.0583      0.4110     -0.22984         
       2020  4  8  58947       0.0595      0.4122     -0.23138         
       2020  4  9  58948       0.0607      0.4134     -0.23289         
       2020  4 10  58949       0.0619      0.4147     -0.23422         
       2020  4 11  58950       0.0631      0.4160     -0.23528         
       2020  4 12  58951       0.0643      0.4172     -0.23606         
       2020  4 13  58952       0.0655      0.4184     -0.23660         
       2020  4 14  58953       0.0667      0.4195     -0.23697         
       2020  4 15  58954       0.0679      0.4205     -0.23724         
       2020  4 16  58955       0.0692      0.4215     -0.23748         
       2020  4 17  58956       0.0704      0.4224     -0.23775         
       2020  4 18  58957       0.0718      0.4234     -0.23807         
       2020  4 19  58958       0.0731      0.4243     -0.23846         
       2020  4 20  58959       0.0744      0.4252     -0.23893         
       2020  4 21  58960       0.0757      0.4260     -0.23947         
       2020  4 22  58961       0.0770      0.4269     -0.24005         
       2020  4 23  58962       0.0783      0.4277     -0.24063         
       2020  4 24  58963       0.0797      0.4284     -0.24116         
       2020  4 25  58964       0.0811      0.4292     -0.24160         
       2020  4 26  58965       0.0825      0.4299     -0.24193         
       2020  4 27  58966       0.0840      0.4306     -0.24216         
       2020  4 28  58967       0.0855      0.4313     -0.24232         
       2020  4 29  58968       0.0870      0.4319     -0.24245         
       2020  4 30  58969       0.0885      0.4326     -0.24262         
       2020  5  1  58970       0.0900      0.4332     -0.24292         
       2020  5  2  58971       0.0915      0.4338     -0.24342         
       2020  5  3  58972       0.0931      0.4343     -0.24417         
       2020  5  4  58973       0.0946      0.4349     -0.24517         
       2020  5  5  58974       0.0962      0.4354     -0.24632         
       2020  5  6  58975       0.0978      0.4359     -0.24749         
       2020  5  7  58976       0.0995      0.4364     -0.24853         
       2020  5  8  58977       0.1011      0.4368     -0.24933         
       2020  5  9  58978       0.1027      0.4372     -0.24983         
       2020  5 10  58979       0.1044      0.4377     -0.25009         
       2020  5 11  58980       0.1060      0.4380     -0.25015         
       2020  5 12  58981       0.1077      0.4384     -0.25012         
       2020  5 13  58982       0.1094      0.4387     -0.25008         
       2020  5 14  58983       0.1111      0.4390     -0.25010         
       2020  5 15  58984       0.1128      0.4393     -0.25020         
       2020  5 16  58985       0.1145      0.4396     -0.25041         
       2020  5 17  58986       0.1162      0.4398     -0.25072         
       2020  5 18  58987       0.1179      0.4400     -0.25111         
       2020  5 19  58988       0.1196      0.4402     -0.25153         
       2020  5 20  58989       0.1213      0.4404     -0.25193         
       2020  5 21  58990       0.1231      0.4405     -0.25228         
       2020  5 22  58991       0.1248      0.4406     -0.25253         
       2020  5 23  58992       0.1265      0.4407     -0.25264         
       2020  5 24  58993       0.1283      0.4407     -0.25259         
       2020  5 25  58994       0.1300      0.4407     -0.25242         
       2020  5 26  58995       0.1317      0.4407     -0.25216         
       2020  5 27  58996       0.1335      0.4407     -0.25189         
       2020  5 28  58997       0.1352      0.4407     -0.25170         
       2020  5 29  58998       0.1370      0.4406     -0.25167         
       2020  5 30  58999       0.1387      0.4405     -0.25184         
       2020  5 31  59000       0.1404      0.4403     -0.25223         
       2020  6  1  59001       0.1422      0.4402     -0.25278         
       2020  6  2  59002       0.1439      0.4400     -0.25341         
       2020  6  3  59003       0.1456      0.4398     -0.25399         
       2020  6  4  59004       0.1474      0.4395     -0.25439         
       2020  6  5  59005       0.1491      0.4392     -0.25454         
       2020  6  6  59006       0.1508      0.4389     -0.25442         
       2020  6  7  59007       0.1525      0.4386     -0.25409         
       2020  6  8  59008       0.1543      0.4383     -0.25361         
       2020  6  9  59009       0.1560      0.4379     -0.25309         
       2020  6 10  59010       0.1577      0.4375     -0.25260         
       2020  6 11  59011       0.1594      0.4370     -0.25217         
       2020  6 12  59012       0.1610      0.4366     -0.25184         
       2020  6 13  59013       0.1627      0.4361     -0.25158         
       2020  6 14  59014       0.1644      0.4356     -0.25139         
       2020  6 15  59015       0.1661      0.4351     -0.25122         
       2020  6 16  59016       0.1677      0.4345     -0.25104         
       2020  6 17  59017       0.1693      0.4339     -0.25079         
       2020  6 18  59018       0.1710      0.4333     -0.25043         
       2020  6 19  59019       0.1726      0.4327     -0.24993         
       2020  6 20  59020       0.1742      0.4320     -0.24929         
       2020  6 21  59021       0.1758      0.4313     -0.24852         
       2020  6 22  59022       0.1774      0.4306     -0.24766         
       2020  6 23  59023       0.1790      0.4299     -0.24679         
       2020  6 24  59024       0.1805      0.4291     -0.24599         
       2020  6 25  59025       0.1821      0.4283     -0.24533         
       2020  6 26  59026       0.1836      0.4275     -0.24488         
       2020  6 27  59027       0.1851      0.4267     -0.24462         
       2020  6 28  59028       0.1867      0.4258     -0.24453         
       2020  6 29  59029       0.1881      0.4249     -0.24451         
       2020  6 30  59030       0.1896      0.4240     -0.24447         
       2020  7  1  59031       0.1911      0.4231     -0.24429         
       2020  7  2  59032       0.1925      0.4221     -0.24390         
       2020  7  3  59033       0.1939      0.4212     -0.24328         
       2020  7  4  59034       0.1953      0.4202     -0.24245         
       2020  7  5  59035       0.1967      0.4192     -0.24147         
       2020  7  6  59036       0.1981      0.4181     -0.24044         
       2020  7  7  59037       0.1994      0.4171     -0.23944         
       2020  7  8  59038       0.2008      0.4160     -0.23852         
       2020  7  9  59039       0.2021      0.4149     -0.23770         
       2020  7 10  59040       0.2034      0.4138     -0.23698         
       2020  7 11  59041       0.2046      0.4126     -0.23634         
       2020  7 12  59042       0.2059      0.4115     -0.23574         
       2020  7 13  59043       0.2071      0.4103     -0.23514         
       2020  7 14  59044       0.2083      0.4091     -0.23450         
       2020  7 15  59045       0.2095      0.4079     -0.23376         
       2020  7 16  59046       0.2106      0.4067     -0.23292         
       2020  7 17  59047       0.2118      0.4054     -0.23195         
       2020  7 18  59048       0.2129      0.4041     -0.23087         
       2020  7 19  59049       0.2140      0.4029     -0.22969         
       2020  7 20  59050       0.2150      0.4015     -0.22856         
       2020  7 21  59051       0.2161      0.4002     -0.22749         
       2020  7 22  59052       0.2171      0.3989     -0.22657         
       2020  7 23  59053       0.2181      0.3975     -0.22586         
       2020  7 24  59054       0.2190      0.3962     -0.22539         
       2020  7 25  59055       0.2200      0.3948     -0.22511         
       2020  7 26  59056       0.2209      0.3934     -0.22494         
       2020  7 27  59057       0.2218      0.3920     -0.22476         
       2020  7 28  59058       0.2226      0.3906     -0.22447         
       2020  7 29  59059       0.2235      0.3891     -0.22400         
       2020  7 30  59060       0.2243      0.3877     -0.22331         
       2020  7 31  59061       0.2250      0.3862     -0.22243         
       2020  8  1  59062       0.2258      0.3847     -0.22143         
       2020  8  2  59063       0.2265      0.3832     -0.22036         
       2020  8  3  59064       0.2272      0.3817     -0.21933         
       2020  8  4  59065       0.2279      0.3802     -0.21839         
       2020  8  5  59066       0.2285      0.3787     -0.21757         
       2020  8  6  59067       0.2291      0.3772     -0.21689         
       2020  8  7  59068       0.2297      0.3757     -0.21632         
       2020  8  8  59069       0.2302      0.3741     -0.21583         
       2020  8  9  59070       0.2307      0.3725     -0.21537         
       2020  8 10  59071       0.2312      0.3710     -0.21491         
       2020  8 11  59072       0.2317      0.3694     -0.21439         
       2020  8 12  59073       0.2321      0.3678     -0.21379         
       2020  8 13  59074       0.2325      0.3662     -0.21308         
       2020  8 14  59075       0.2329      0.3647     -0.21227         
       2020  8 15  59076       0.2332      0.3631     -0.21138         
       2020  8 16  59077       0.2335      0.3615     -0.21046         
       2020  8 17  59078       0.2338      0.3598     -0.20960         
       2020  8 18  59079       0.2340      0.3582     -0.20887         
       2020  8 19  59080       0.2342      0.3566     -0.20838         
       2020  8 20  59081       0.2344      0.3550     -0.20816         
       2020  8 21  59082       0.2346      0.3534     -0.20818         
       2020  8 22  59083       0.2347      0.3518     -0.20838         
       2020  8 23  59084       0.2348      0.3501     -0.20861         
       2020  8 24  59085       0.2348      0.3485     -0.20874         
       2020  8 25  59086       0.2348      0.3469     -0.20870         
       2020  8 26  59087       0.2348      0.3452     -0.20842         
       2020  8 27  59088       0.2348      0.3436     -0.20795         
       2020  8 28  59089       0.2347      0.3420     -0.20733         
       2020  8 29  59090       0.2346      0.3404     -0.20664         
       2020  8 30  59091       0.2345      0.3387     -0.20597         
       2020  8 31  59092       0.2343      0.3371     -0.20539         
       2020  9  1  59093       0.2341      0.3355     -0.20494         
       2020  9  2  59094       0.2339      0.3339     -0.20464         
       2020  9  3  59095       0.2337      0.3323     -0.20446         
       2020  9  4  59096       0.2334      0.3306     -0.20439         
       2020  9  5  59097       0.2330      0.3290     -0.20437         
       2020  9  6  59098       0.2327      0.3274     -0.20436         
       2020  9  7  59099       0.2323      0.3258     -0.20430         
       2020  9  8  59100       0.2319      0.3242     -0.20417         
       2020  9  9  59101       0.2314      0.3227     -0.20394         
       2020  9 10  59102       0.2310      0.3211     -0.20362         
       2020  9 11  59103       0.2305      0.3195     -0.20321         
       2020  9 12  59104       0.2299      0.3179     -0.20275         
       2020  9 13  59105       0.2293      0.3164     -0.20233         
       2020  9 14  59106       0.2287      0.3148     -0.20201         
       2020  9 15  59107       0.2281      0.3133     -0.20190         
       2020  9 16  59108       0.2275      0.3118     -0.20207         
       2020  9 17  59109       0.2268      0.3103     -0.20254         
       2020  9 18  59110       0.2260      0.3088     -0.20324         
       2020  9 19  59111       0.2253      0.3073     -0.20406         
       2020  9 20  59112       0.2245      0.3058     -0.20484         
       2020  9 21  59113       0.2237      0.3043     -0.20545         
       2020  9 22  59114       0.2229      0.3028     -0.20582         
       2020  9 23  59115       0.2220      0.3014     -0.20594         
       2020  9 24  59116       0.2211      0.3000     -0.20587         
       2020  9 25  59117       0.2202      0.2985     -0.20569         
       2020  9 26  59118       0.2192      0.2971     -0.20550         
       2020  9 27  59119       0.2183      0.2957     -0.20538         
       2020  9 28  59120       0.2173      0.2944     -0.20536         
       2020  9 29  59121       0.2162      0.2930     -0.20547         
       2020  9 30  59122       0.2152      0.2917     -0.20571         
       2020 10  1  59123       0.2141      0.2903     -0.20603         
       2020 10  2  59124       0.2130      0.2890     -0.20640         
       2020 10  3  59125       0.2118      0.2877     -0.20676         
       2020 10  4  59126       0.2107      0.2865     -0.20705         
       2020 10  5  59127       0.2095      0.2852     -0.20724         
       2020 10  6  59128       0.2083      0.2840     -0.20728         
       2020 10  7  59129       0.2070      0.2827     -0.20717         
       2020 10  8  59130       0.2058      0.2815     -0.20692         
       2020 10  9  59131       0.2045      0.2803     -0.20657         
       2020 10 10  59132       0.2032      0.2792     -0.20620         
       2020 10 11  59133       0.2018      0.2780     -0.20588         
       2020 10 12  59134       0.2005      0.2769     -0.20571         
       2020 10 13  59135       0.1991      0.2758     -0.20578         
       2020 10 14  59136       0.1977      0.2747     -0.20614         
       2020 10 15  59137       0.1963      0.2737     -0.20677         
       2020 10 16  59138       0.1948      0.2726     -0.20759         
       2020 10 17  59139       0.1933      0.2716     -0.20844         
       2020 10 18  59140       0.1919      0.2706     -0.20917         
       2020 10 19  59141       0.1903      0.2697     -0.20965         
       2020 10 20  59142       0.1888      0.2687     -0.20984         
       2020 10 21  59143       0.1873      0.2678     -0.20978         
       2020 10 22  59144       0.1857      0.2669     -0.20955         
       2020 10 23  59145       0.1841      0.2660     -0.20926         
       2020 10 24  59146       0.1825      0.2652     -0.20902         
       2020 10 25  59147       0.1809      0.2643     -0.20889         
       2020 10 26  59148       0.1793      0.2635     -0.20890         
       2020 10 27  59149       0.1776      0.2628     -0.20905         
       2020 10 28  59150       0.1759      0.2620     -0.20931         
       2020 10 29  59151       0.1743      0.2613     -0.20962         
       2020 10 30  59152       0.1726      0.2606     -0.20995         
       2020 10 31  59153       0.1708      0.2599     -0.21025         
       2020 11  1  59154       0.1691      0.2593     -0.21049         
       2020 11  2  59155       0.1674      0.2586     -0.21064         
       2020 11  3  59156       0.1656      0.2580     -0.21070         
       2020 11  4  59157       0.1638      0.2575     -0.21069         
       2020 11  5  59158       0.1621      0.2569     -0.21062         
       2020 11  6  59159       0.1603      0.2564     -0.21055         
       2020 11  7  59160       0.1585      0.2560     -0.21051         
       2020 11  8  59161       0.1567      0.2555     -0.21058         
       2020 11  9  59162       0.1548      0.2551     -0.21089         
       2020 11 10  59163       0.1530      0.2547     -0.21147         
       2020 11 11  59164       0.1512      0.2543     -0.21238         
       2020 11 12  59165       0.1493      0.2540     -0.21357         
       2020 11 13  59166       0.1474      0.2536     -0.21489         
       2020 11 14  59167       0.1456      0.2534     -0.21620         
       2020 11 15  59168       0.1437      0.2531     -0.21737         
       2020 11 16  59169       0.1418      0.2529     -0.21826         
       2020 11 17  59170       0.1399      0.2527     -0.21882         
       2020 11 18  59171       0.1381      0.2525     -0.21920         
       2020 11 19  59172       0.1362      0.2524     -0.21941         
       2020 11 20  59173       0.1343      0.2522     -0.21957         
       2020 11 21  59174       0.1324      0.2522     -0.21983         
       2020 11 22  59175       0.1305      0.2521     -0.22021         
       2020 11 23  59176       0.1285      0.2521     -0.22074         
       2020 11 24  59177       0.1266      0.2521     -0.22135         
       2020 11 25  59178       0.1247      0.2521     -0.22205         
       2020 11 26  59179       0.1228      0.2522     -0.22280         
       2020 11 27  59180       0.1209      0.2523     -0.22355         
       2020 11 28  59181       0.1190      0.2524     -0.22416         
       2020 11 29  59182       0.1171      0.2526     -0.22463         
       2020 11 30  59183       0.1152      0.2528     -0.22491         
       2020 12  1  59184       0.1133      0.2530     -0.22503         
       2020 12  2  59185       0.1114      0.2532     -0.22503         
       2020 12  3  59186       0.1095      0.2535     -0.22501         
       2020 12  4  59187       0.1076      0.2538     -0.22501         
       2020 12  5  59188       0.1057      0.2541     -0.22518         
       2020 12  6  59189       0.1038      0.2545     -0.22547         
       2020 12  7  59190       0.1019      0.2549     -0.22591         
       2020 12  8  59191       0.1000      0.2553     -0.22656         
       2020 12  9  59192       0.0982      0.2557     -0.22748         
       2020 12 10  59193       0.0963      0.2562     -0.22856         
       2020 12 11  59194       0.0944      0.2567     -0.22969         
       2020 12 12  59195       0.0926      0.2572     -0.23078         
       2020 12 13  59196       0.0908      0.2578     -0.23169         
       2020 12 14  59197       0.0889      0.2584     -0.23235         
       2020 12 15  59198       0.0871      0.2590     -0.23276         
       2020 12 16  59199       0.0853      0.2596     -0.23300         
       2020 12 17  59200       0.0835      0.2603     -0.23317         
       2020 12 18  59201       0.0817      0.2610     -0.23337         
       2020 12 19  59202       0.0800      0.2618     -0.23367         
       2020 12 20  59203       0.0782      0.2625     -0.23409         
       2020 12 21  59204       0.0765      0.2633     -0.23463         
       2020 12 22  59205       0.0747      0.2641     -0.23522         
       2020 12 23  59206       0.0730      0.2649     -0.23587         
       2020 12 24  59207       0.0713      0.2658     -0.23649         
       2020 12 25  59208       0.0696      0.2667     -0.23697         
       2020 12 26  59209       0.0679      0.2676     -0.23734         
       2020 12 27  59210       0.0663      0.2686     -0.23759         
       2020 12 28  59211       0.0646      0.2695     -0.23769         
       2020 12 29  59212       0.0630      0.2705     -0.23762         
       2020 12 30  59213       0.0614      0.2715     -0.23751         
       2020 12 31  59214       0.0598      0.2726     -0.23747         
       2021  1  1  59215       0.0583      0.2737     -0.23744         
       2021  1  2  59216       0.0567      0.2748     -0.23754         
       2021  1  3  59217       0.0552      0.2759     -0.23779         
       2021  1  4  59218       0.0537      0.2770     -0.23825         
       2021  1  5  59219       0.0522      0.2782     -0.23885         
       2021  1  6  59220       0.0507      0.2794     -0.23960         
       2021  1  7  59221       0.0493      0.2806     -0.24044         
       2021  1  8  59222       0.0478      0.2818     -0.24127         
       2021  1  9  59223       0.0464      0.2831     -0.24197         
       2021  1 10  59224       0.0451      0.2843     -0.24247         
       2021  1 11  59225       0.0437      0.2856     -0.24273         
       2021  1 12  59226       0.0424      0.2870     -0.24281         
       2021  1 13  59227       0.0411      0.2883     -0.24283         
       2021  1 14  59228       0.0398      0.2897     -0.24294         
       2021  1 15  59229       0.0385      0.2911     -0.24312         
       2021  1 16  59230       0.0373      0.2925     -0.24342         
       2021  1 17  59231       0.0361      0.2939     -0.24388         
       2021  1 18  59232       0.0349      0.2953     -0.24452         
       2021  1 19  59233       0.0337      0.2968     -0.24528         
       2021  1 20  59234       0.0326      0.2982     -0.24603         
       2021  1 21  59235       0.0315      0.2997     -0.24673         
       2021  1 22  59236       0.0304      0.3012     -0.24735         
       2021  1 23  59237       0.0294      0.3028     -0.24783         
       2021  1 24  59238       0.0284      0.3043     -0.24821         
       2021  1 25  59239       0.0274      0.3059     -0.24851         
       2021  1 26  59240       0.0264      0.3075     -0.24878         
       2021  1 27  59241       0.0255      0.3090     -0.24907         
       2021  1 28  59242       0.0246      0.3106     -0.24941         
       2021  1 29  59243       0.0237      0.3123     -0.24993         
       2021  1 30  59244       0.0229      0.3139     -0.25066         
       2021  1 31  59245       0.0221      0.3155     -0.25160         
       2021  2  1  59246       0.0213      0.3172     -0.25276         
       2021  2  2  59247       0.0205      0.3189     -0.25406         
       2021  2  3  59248       0.0198      0.3206     -0.25537         
       2021  2  4  59249       0.0191      0.3222     -0.25661         
       2021  2  5  59250       0.0185      0.3240     -0.25774         
       2021  2  6  59251       0.0178      0.3257     -0.25865         
       2021  2  7  59252       0.0172      0.3274     -0.25932         
       2021  2  8  59253       0.0167      0.3291     -0.25982         
       2021  2  9  59254       0.0162      0.3309     -0.26023         
       2021  2 10  59255       0.0157      0.3326     -0.26064         
       2021  2 11  59256       0.0152      0.3344     -0.26114         
       2021  2 12  59257       0.0148      0.3362     -0.26182         
       2021  2 13  59258       0.0144      0.3379     -0.26269         
       2021  2 14  59259       0.0140      0.3397     -0.26373         
       2021  2 15  59260       0.0137      0.3415     -0.26485         
       2021  2 16  59261       0.0134      0.3433     -0.26595         
       2021  2 17  59262       0.0131      0.3451     -0.26701         
       2021  2 18  59263       0.0129      0.3469     -0.26801         
       2021  2 19  59264       0.0127      0.3487     -0.26884         
       2021  2 20  59265       0.0125      0.3505     -0.26954         
       2021  2 21  59266       0.0124      0.3523     -0.27011         
       2021  2 22  59267       0.0123      0.3541     -0.27056         
       2021  2 23  59268       0.0122      0.3559     -0.27101         
       2021  2 24  59269       0.0122      0.3578     -0.27150         
       2021  2 25  59270       0.0122      0.3596     -0.27212         
       2021  2 26  59271       0.0123      0.3614     -0.27297         
       2021  2 27  59272       0.0123      0.3632     -0.27407         
       2021  2 28  59273       0.0125      0.3650     -0.27541         
       2021  3  1  59274       0.0126      0.3669     -0.27692         
       2021  3  2  59275       0.0128      0.3687     -0.27853         
       2021  3  3  59276       0.0130      0.3705     -0.28013         
       2021  3  4  59277       0.0132      0.3723     -0.28157         
       2021  3  5  59278       0.0135      0.3741     -0.28285         
       2021  3  6  59279       0.0138      0.3759     -0.28391         
       2021  3  7  59280       0.0142      0.3777     -0.28473         
       2021  3  8  59281       0.0146      0.3795     -0.28541         
       2021  3  9  59282       0.0150      0.3813     -0.28602         
       2021  3 10  59283       0.0154      0.3831     -0.28669         
       2021  3 11  59284       0.0159      0.3848     -0.28751         
       2021  3 12  59285       0.0164      0.3866     -0.28849         
       2021  3 13  59286       0.0170      0.3884     -0.28963         
       2021  3 14  59287       0.0176      0.3901     -0.29088         
       2021  3 15  59288       0.0182      0.3918     -0.29212         
       2021  3 16  59289       0.0189      0.3936     -0.29333         
       2021  3 17  59290       0.0195      0.3953     -0.29443         
       2021  3 18  59291       0.0203      0.3970     -0.29537         
       2021  3 19  59292       0.0210      0.3987     -0.29619         
       2021  3 20  59293       0.0218      0.4004     -0.29693         
       2021  3 21  59294       0.0226      0.4021     -0.29760         
       2021  3 22  59295       0.0235      0.4038     -0.29817         
       2021  3 23  59296       0.0243      0.4054     -0.29869         
       2021  3 24  59297       0.0252      0.4071     -0.29924         
       2021  3 25  59298       0.0262      0.4087     -0.29999         
       2021  3 26  59299       0.0272      0.4103     -0.30098         
       2021  3 27  59300       0.0282      0.4119     -0.30220         
       2021  3 28  59301       0.0292      0.4135     -0.30364         
       2021  3 29  59302       0.0303      0.4151     -0.30518         
       2021  3 30  59303       0.0314      0.4166     -0.30672         
       2021  3 31  59304       0.0325      0.4182     -0.30814         
       2021  4  1  59305       0.0336      0.4197     -0.30935         
       2021  4  2  59306       0.0348      0.4212     -0.31028         
      These predictions are based on all announced leap seconds.               
                                                                               
                     IERS Celestial Pole Offset Final Series                   
                           MJD          dpsi      deps                         
                                        (msec. of arc)                         
                          58881      -107.9      -6.8                      
                          58882      -108.0      -6.7                      
                          58883      -108.1      -6.6                      
                          58884      -108.3      -6.5                      
                          58885      -108.6      -6.7                      
                          58886      -108.9      -7.1                      
                          58887      -108.9      -7.6                      
                          58888      -108.4      -7.8                      
                          58889      -107.6      -7.6                      
                          58890      -107.0      -7.3                      
                          58891      -107.0      -7.1                      
                          58892      -107.5      -7.1                      
                          58893      -108.0      -7.2                      
                          58894      -108.3      -7.2                      
                          58895      -108.5      -7.3                      
                          58896      -108.7      -7.4                      
                          58897      -108.8      -7.4                      
                          58898      -108.5      -7.4                      
                          58899      -107.9      -7.5                      
                          58900      -107.3      -7.6                      
                          58901      -107.1      -7.7                      
                          58902      -107.4      -7.7                      
                          58903      -107.8      -7.5                      
                          58904      -108.2      -7.4                      
                          58905      -108.3      -7.5                      
                          58906      -108.2      -7.7                      
                          58907      -108.0      -7.8                      
                          58908      -107.7      -7.9                      
                          58909      -107.6      -8.0                      
                                                                               
                                                                               
                 IAU2000A Celestial Pole Offset Final Series 
                             MJD     dX         dY           
                             (msec. of arc)          
                           58881     0.24       0.05
                           58882     0.26       0.07
                           58883     0.29       0.09
                           58884     0.29       0.07
                           58885     0.29       0.05
                           58886     0.29       0.03
                           58887     0.27       0.00
                           58888     0.24      -0.03
                           58889     0.21      -0.06
                           58890     0.17      -0.09
                           58891     0.15      -0.07
                           58892     0.14      -0.03
                           58893     0.12       0.01
                           58894     0.09       0.02
                           58895     0.06       0.01
                           58896     0.04      -0.01
                           58897     0.01      -0.02
                           58898     0.10      -0.00
                           58899     0.22       0.02
                           58900     0.34       0.04
                           58901     0.29       0.07
                           58902     0.18       0.09
                           58903     0.07       0.11
                           58904    -0.04       0.13
                           58905    -0.05       0.11
                           58906    -0.04       0.07
                           58907    -0.02       0.03
                           58908     0.00       0.01
                           58909     0.03       0.00
                                                                               
    The recommended software to predict celestial pole offsets can be found at 
    <http://www.usno.navy.mil/USNO/earth-orientation/software/aux/ceppred.f>   
    and software for the calculation of the dX and dY components with          
    respect to IAU2000A Nutation/Precession Theory can be found at the         
    <http://maia.usno.navy.mil/conv2010/conventions.html>                      
    web site in Chapter 5 Section 5.5 of the IERS Conventions (2010).          
