                                                                               
      **********************************************************************   
      *                                                                    *   
      *                   I E R S   B U L L E T I N - A                    *   
      *                                                                    *   
      *           Rapid Service/Prediction of Earth Orientation            *   
      **********************************************************************   
      19 December 2019                                    Vol. XXXII No. 051   
      ______________________________________________________________________   
      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               
   19 12 13  58830 0.10479 .00009 0.27203 .00009 -0.172447 0.000009          
   19 12 14  58831 0.10428 .00009 0.27310 .00009 -0.172268 0.000015          
   19 12 15  58832 0.10319 .00009 0.27406 .00009 -0.172100 0.000015          
   19 12 16  58833 0.10147 .00009 0.27468 .00009 -0.172004 0.000019          
   19 12 17  58834 0.09946 .00009 0.27502 .00009 -0.172046 0.000020          
   19 12 18  58835 0.09754 .00009 0.27531 .00009 -0.172269 0.000020          
   19 12 19  58836 0.09588 .00009 0.27568 .00009 -0.172732 0.000020          
                                                                               
      _______________________________________________________________________  
                                                                               
      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 =  0.1310 - 0.0295 cos A - 0.1084 sin A - 0.0033 cos C + 0.0247 sin C  
      y =  0.3504 - 0.0974 cos A + 0.0291 sin A + 0.0247 cos C + 0.0033 sin C  
         UT1-UTC = -0.1593 - 0.00035 (MJD - 58844) - (UT2-UT1)                 
                                                                               
      where A = 2*pi*(MJD-58836)/365.25 and C = 2*pi*(MJD-58836)/435.          
                                                                               
         TAI-UTC(MJD 58837) = 37.0                                             
      The accuracy may be estimated from the expressions:                      
      S x,y = 0.00068 (MJD-58836)**0.80   S t = 0.00025 (MJD-58836)**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)              
       2019 12 20  58837       0.0944      0.2761     -0.17338         
       2019 12 21  58838       0.0931      0.2767     -0.17411         
       2019 12 22  58839       0.0918      0.2774     -0.17479         
       2019 12 23  58840       0.0905      0.2782     -0.17537         
       2019 12 24  58841       0.0891      0.2789     -0.17580         
       2019 12 25  58842       0.0876      0.2796     -0.17605         
       2019 12 26  58843       0.0862      0.2803     -0.17613         
       2019 12 27  58844       0.0847      0.2810     -0.17612         
       2019 12 28  58845       0.0833      0.2817     -0.17607         
       2019 12 29  58846       0.0819      0.2823     -0.17605         
       2019 12 30  58847       0.0805      0.2831     -0.17607         
       2019 12 31  58848       0.0792      0.2839     -0.17613         
       2020  1  1  58849       0.0778      0.2848     -0.17623         
       2020  1  2  58850       0.0764      0.2857     -0.17638         
       2020  1  3  58851       0.0749      0.2866     -0.17657         
       2020  1  4  58852       0.0735      0.2875     -0.17678         
       2020  1  5  58853       0.0722      0.2884     -0.17697         
       2020  1  6  58854       0.0709      0.2892     -0.17711         
       2020  1  7  58855       0.0696      0.2901     -0.17718         
       2020  1  8  58856       0.0684      0.2910     -0.17714         
       2020  1  9  58857       0.0671      0.2920     -0.17700         
       2020  1 10  58858       0.0659      0.2930     -0.17681         
       2020  1 11  58859       0.0647      0.2941     -0.17662         
       2020  1 12  58860       0.0635      0.2951     -0.17652         
       2020  1 13  58861       0.0623      0.2962     -0.17658         
       2020  1 14  58862       0.0611      0.2972     -0.17686         
       2020  1 15  58863       0.0600      0.2983     -0.17733         
       2020  1 16  58864       0.0589      0.2994     -0.17792         
       2020  1 17  58865       0.0578      0.3005     -0.17856         
       2020  1 18  58866       0.0568      0.3016     -0.17914         
       2020  1 19  58867       0.0557      0.3028     -0.17959         
       2020  1 20  58868       0.0547      0.3040     -0.17985         
       2020  1 21  58869       0.0537      0.3052     -0.17992         
       2020  1 22  58870       0.0527      0.3064     -0.17982         
       2020  1 23  58871       0.0518      0.3076     -0.17961         
       2020  1 24  58872       0.0508      0.3089     -0.17936         
       2020  1 25  58873       0.0499      0.3101     -0.17913         
       2020  1 26  58874       0.0491      0.3114     -0.17896         
       2020  1 27  58875       0.0482      0.3127     -0.17890         
       2020  1 28  58876       0.0474      0.3140     -0.17894         
       2020  1 29  58877       0.0466      0.3154     -0.17909         
       2020  1 30  58878       0.0458      0.3167     -0.17931         
       2020  1 31  58879       0.0451      0.3180     -0.17959         
       2020  2  1  58880       0.0443      0.3194     -0.17986         
       2020  2  2  58881       0.0436      0.3208     -0.18009         
       2020  2  3  58882       0.0430      0.3222     -0.18025         
       2020  2  4  58883       0.0423      0.3236     -0.18030         
       2020  2  5  58884       0.0417      0.3250     -0.18023         
       2020  2  6  58885       0.0411      0.3264     -0.18009         
       2020  2  7  58886       0.0405      0.3279     -0.17991         
       2020  2  8  58887       0.0400      0.3293     -0.17980         
       2020  2  9  58888       0.0395      0.3308     -0.17984         
       2020  2 10  58889       0.0390      0.3322     -0.18012         
       2020  2 11  58890       0.0385      0.3337     -0.18065         
       2020  2 12  58891       0.0381      0.3352     -0.18137         
       2020  2 13  58892       0.0377      0.3367     -0.18216         
       2020  2 14  58893       0.0373      0.3382     -0.18291         
       2020  2 15  58894       0.0370      0.3397     -0.18350         
       2020  2 16  58895       0.0367      0.3412     -0.18388         
       2020  2 17  58896       0.0364      0.3427     -0.18405         
       2020  2 18  58897       0.0361      0.3442     -0.18405         
       2020  2 19  58898       0.0359      0.3457     -0.18394         
       2020  2 20  58899       0.0357      0.3473     -0.18378         
       2020  2 21  58900       0.0355      0.3488     -0.18366         
       2020  2 22  58901       0.0353      0.3504     -0.18362         
       2020  2 23  58902       0.0352      0.3519     -0.18371         
       2020  2 24  58903       0.0351      0.3534     -0.18392         
       2020  2 25  58904       0.0351      0.3550     -0.18426         
       2020  2 26  58905       0.0351      0.3565     -0.18471         
       2020  2 27  58906       0.0351      0.3581     -0.18522         
       2020  2 28  58907       0.0351      0.3597     -0.18575         
       2020  2 29  58908       0.0352      0.3612     -0.18626         
       2020  3  1  58909       0.0352      0.3628     -0.18670         
       2020  3  2  58910       0.0354      0.3643     -0.18706         
       2020  3  3  58911       0.0355      0.3659     -0.18733         
       2020  3  4  58912       0.0357      0.3674     -0.18753         
       2020  3  5  58913       0.0359      0.3690     -0.18770         
       2020  3  6  58914       0.0361      0.3705     -0.18792         
       2020  3  7  58915       0.0364      0.3721     -0.18827         
       2020  3  8  58916       0.0367      0.3736     -0.18887         
       2020  3  9  58917       0.0370      0.3751     -0.18975         
       2020  3 10  58918       0.0374      0.3767     -0.19090         
       2020  3 11  58919       0.0378      0.3782     -0.19221         
       2020  3 12  58920       0.0382      0.3797     -0.19355         
       2020  3 13  58921       0.0386      0.3812     -0.19477         
       2020  3 14  58922       0.0391      0.3827     -0.19579         
       2020  3 15  58923       0.0396      0.3842     -0.19655         
       2020  3 16  58924       0.0401      0.3857     -0.19710         
       2020  3 17  58925       0.0407      0.3872     -0.19750         
       2020  3 18  58926       0.0413      0.3887     -0.19782         
       2020  3 19  58927       0.0419      0.3902     -0.19813         
       2020  3 20  58928       0.0425      0.3917     -0.19850         
       2020  3 21  58929       0.0432      0.3931     -0.19897         
       2020  3 22  58930       0.0439      0.3945     -0.19956         
       2020  3 23  58931       0.0446      0.3960     -0.20026         
       2020  3 24  58932       0.0454      0.3974     -0.20107         
       2020  3 25  58933       0.0462      0.3988     -0.20193         
       2020  3 26  58934       0.0470      0.4002     -0.20283         
       2020  3 27  58935       0.0478      0.4016     -0.20369         
       2020  3 28  58936       0.0487      0.4030     -0.20449         
       2020  3 29  58937       0.0496      0.4043     -0.20518         
       2020  3 30  58938       0.0505      0.4057     -0.20578         
       2020  3 31  58939       0.0514      0.4070     -0.20628         
       2020  4  1  58940       0.0524      0.4084     -0.20672         
       2020  4  2  58941       0.0534      0.4097     -0.20716         
       2020  4  3  58942       0.0544      0.4110     -0.20769         
       2020  4  4  58943       0.0554      0.4122     -0.20840         
       2020  4  5  58944       0.0565      0.4135     -0.20937         
       2020  4  6  58945       0.0576      0.4147     -0.21052         
       2020  4  7  58946       0.0587      0.4160     -0.21188         
       2020  4  8  58947       0.0598      0.4172     -0.21335         
       2020  4  9  58948       0.0610      0.4184     -0.21477         
       2020  4 10  58949       0.0622      0.4195     -0.21601         
       2020  4 11  58950       0.0634      0.4207     -0.21699         
       2020  4 12  58951       0.0646      0.4218     -0.21771         
       2020  4 13  58952       0.0659      0.4230     -0.21821         
       2020  4 14  58953       0.0671      0.4241     -0.21858         
       2020  4 15  58954       0.0684      0.4251     -0.21890         
       2020  4 16  58955       0.0697      0.4262     -0.21926         
       2020  4 17  58956       0.0711      0.4272     -0.21968         
       2020  4 18  58957       0.0724      0.4283     -0.22020         
       2020  4 19  58958       0.0738      0.4293     -0.22083         
       2020  4 20  58959       0.0752      0.4302     -0.22155         
       2020  4 21  58960       0.0766      0.4312     -0.22233         
       2020  4 22  58961       0.0780      0.4321     -0.22312         
       2020  4 23  58962       0.0795      0.4330     -0.22389         
       2020  4 24  58963       0.0810      0.4339     -0.22458         
       2020  4 25  58964       0.0824      0.4348     -0.22515         
       2020  4 26  58965       0.0839      0.4356     -0.22559         
       2020  4 27  58966       0.0855      0.4364     -0.22590         
       2020  4 28  58967       0.0870      0.4372     -0.22612         
       2020  4 29  58968       0.0885      0.4380     -0.22629         
       2020  4 30  58969       0.0901      0.4388     -0.22650         
       2020  5  1  58970       0.0917      0.4395     -0.22683         
       2020  5  2  58971       0.0933      0.4402     -0.22735         
       2020  5  3  58972       0.0949      0.4409     -0.22812         
       2020  5  4  58973       0.0965      0.4415     -0.22913         
       2020  5  5  58974       0.0981      0.4421     -0.23030         
       2020  5  6  58975       0.0998      0.4427     -0.23149         
       2020  5  7  58976       0.1014      0.4433     -0.23257         
       2020  5  8  58977       0.1031      0.4438     -0.23343         
       2020  5  9  58978       0.1048      0.4444     -0.23400         
       2020  5 10  58979       0.1065      0.4449     -0.23433         
       2020  5 11  58980       0.1082      0.4453     -0.23447         
       2020  5 12  58981       0.1099      0.4458     -0.23453         
       2020  5 13  58982       0.1116      0.4462     -0.23457         
       2020  5 14  58983       0.1133      0.4466     -0.23466         
       2020  5 15  58984       0.1151      0.4469     -0.23484         
       2020  5 16  58985       0.1168      0.4472     -0.23511         
       2020  5 17  58986       0.1186      0.4476     -0.23547         
       2020  5 18  58987       0.1203      0.4478     -0.23588         
       2020  5 19  58988       0.1221      0.4481     -0.23631         
       2020  5 20  58989       0.1239      0.4483     -0.23671         
       2020  5 21  58990       0.1256      0.4485     -0.23703         
       2020  5 22  58991       0.1274      0.4487     -0.23725         
       2020  5 23  58992       0.1292      0.4488     -0.23731         
       2020  5 24  58993       0.1310      0.4489     -0.23724         
       2020  5 25  58994       0.1327      0.4490     -0.23704         
       2020  5 26  58995       0.1345      0.4490     -0.23677         
       2020  5 27  58996       0.1363      0.4490     -0.23651         
       2020  5 28  58997       0.1381      0.4490     -0.23632         
       2020  5 29  58998       0.1399      0.4490     -0.23630         
       2020  5 30  58999       0.1417      0.4489     -0.23648         
       2020  5 31  59000       0.1435      0.4489     -0.23687         
       2020  6  1  59001       0.1453      0.4487     -0.23743         
       2020  6  2  59002       0.1471      0.4486     -0.23807         
       2020  6  3  59003       0.1489      0.4484     -0.23865         
       2020  6  4  59004       0.1506      0.4482     -0.23906         
       2020  6  5  59005       0.1524      0.4480     -0.23922         
       2020  6  6  59006       0.1542      0.4477     -0.23912         
       2020  6  7  59007       0.1560      0.4474     -0.23882         
       2020  6  8  59008       0.1577      0.4471     -0.23839         
       2020  6  9  59009       0.1595      0.4468     -0.23792         
       2020  6 10  59010       0.1613      0.4464     -0.23748         
       2020  6 11  59011       0.1630      0.4460     -0.23711         
       2020  6 12  59012       0.1647      0.4456     -0.23683         
       2020  6 13  59013       0.1665      0.4451     -0.23663         
       2020  6 14  59014       0.1682      0.4446     -0.23649         
       2020  6 15  59015       0.1699      0.4441     -0.23636         
       2020  6 16  59016       0.1716      0.4436     -0.23620         
       2020  6 17  59017       0.1733      0.4430     -0.23597         
       2020  6 18  59018       0.1750      0.4424     -0.23563         
       2020  6 19  59019       0.1767      0.4418     -0.23513         
       2020  6 20  59020       0.1784      0.4412     -0.23448         
       2020  6 21  59021       0.1800      0.4405     -0.23368         
       2020  6 22  59022       0.1817      0.4398     -0.23277         
       2020  6 23  59023       0.1833      0.4391     -0.23184         
       2020  6 24  59024       0.1849      0.4383     -0.23097         
       2020  6 25  59025       0.1866      0.4375     -0.23025         
       2020  6 26  59026       0.1881      0.4367     -0.22974         
       2020  6 27  59027       0.1897      0.4359     -0.22945         
       2020  6 28  59028       0.1913      0.4350     -0.22936         
       2020  6 29  59029       0.1928      0.4341     -0.22940         
       2020  6 30  59030       0.1944      0.4332     -0.22944         
       2020  7  1  59031       0.1959      0.4323     -0.22939         
       2020  7  2  59032       0.1974      0.4314     -0.22918         
       2020  7  3  59033       0.1989      0.4304     -0.22877         
       2020  7  4  59034       0.2003      0.4294     -0.22820         
       2020  7  5  59035       0.2018      0.4284     -0.22754         
       2020  7  6  59036       0.2032      0.4273     -0.22687         
       2020  7  7  59037       0.2046      0.4262     -0.22628         
       2020  7  8  59038       0.2060      0.4251     -0.22581         
       2020  7  9  59039       0.2074      0.4240     -0.22549         
       2020  7 10  59040       0.2087      0.4229     -0.22529         
       2020  7 11  59041       0.2101      0.4217     -0.22520         
       2020  7 12  59042       0.2114      0.4205     -0.22515         
       2020  7 13  59043       0.2126      0.4193     -0.22510         
       2020  7 14  59044       0.2139      0.4181     -0.22501         
       2020  7 15  59045       0.2151      0.4169     -0.22483         
       2020  7 16  59046       0.2164      0.4156     -0.22453         
       2020  7 17  59047       0.2176      0.4143     -0.22411         
       2020  7 18  59048       0.2187      0.4130     -0.22358         
       2020  7 19  59049       0.2199      0.4117     -0.22299         
       2020  7 20  59050       0.2210      0.4104     -0.22238         
       2020  7 21  59051       0.2221      0.4090     -0.22184         
       2020  7 22  59052       0.2232      0.4076     -0.22145         
       2020  7 23  59053       0.2242      0.4062     -0.22127         
       2020  7 24  59054       0.2252      0.4048     -0.22130         
       2020  7 25  59055       0.2262      0.4034     -0.22151         
       2020  7 26  59056       0.2272      0.4020     -0.22182         
       2020  7 27  59057       0.2282      0.4005     -0.22211         
       2020  7 28  59058       0.2291      0.3990     -0.22232         
       2020  7 29  59059       0.2300      0.3975     -0.22238         
       2020  7 30  59060       0.2308      0.3960     -0.22223         
       2020  7 31  59061       0.2317      0.3945     -0.22192         
       2020  8  1  59062       0.2325      0.3930     -0.22148         
       2020  8  2  59063       0.2332      0.3914     -0.22095         
       2020  8  3  59064       0.2340      0.3899     -0.22040         
       2020  8  4  59065       0.2347      0.3883     -0.21994         
       2020  8  5  59066       0.2354      0.3867     -0.21962         
       2020  8  6  59067       0.2361      0.3851     -0.21943         
       2020  8  7  59068       0.2367      0.3835     -0.21941         
       2020  8  8  59069       0.2373      0.3819     -0.21948         
       2020  8  9  59070       0.2379      0.3803     -0.21955         
       2020  8 10  59071       0.2384      0.3787     -0.21957         
       2020  8 11  59072       0.2389      0.3770     -0.21948         
       2020  8 12  59073       0.2394      0.3754     -0.21929         
       2020  8 13  59074       0.2399      0.3737     -0.21900         
       2020  8 14  59075       0.2403      0.3720     -0.21861         
       2020  8 15  59076       0.2407      0.3704     -0.21818         
       2020  8 16  59077       0.2410      0.3687     -0.21771         
       2020  8 17  59078       0.2414      0.3670     -0.21725         
       2020  8 18  59079       0.2417      0.3653     -0.21691         
       2020  8 19  59080       0.2419      0.3636     -0.21677         
       2020  8 20  59081       0.2422      0.3619     -0.21686         
       2020  8 21  59082       0.2424      0.3602     -0.21721         
       2020  8 22  59083       0.2425      0.3585     -0.21779         
       2020  8 23  59084       0.2427      0.3568     -0.21846         
       2020  8 24  59085       0.2428      0.3551     -0.21901         
       2020  8 25  59086       0.2428      0.3533     -0.21933         
       2020  8 26  59087       0.2429      0.3516     -0.21940         
       2020  8 27  59088       0.2429      0.3499     -0.21930         
       2020  8 28  59089       0.2429      0.3482     -0.21906         
       2020  8 29  59090       0.2428      0.3465     -0.21869         
       2020  8 30  59091       0.2427      0.3447     -0.21831         
       2020  8 31  59092       0.2426      0.3430     -0.21795         
       2020  9  1  59093       0.2425      0.3413     -0.21768         
       2020  9  2  59094       0.2423      0.3396     -0.21756         
       2020  9  3  59095       0.2421      0.3379     -0.21759         
       2020  9  4  59096       0.2418      0.3362     -0.21771         
       2020  9  5  59097       0.2415      0.3345     -0.21789         
       2020  9  6  59098       0.2412      0.3327     -0.21813         
       2020  9  7  59099       0.2409      0.3311     -0.21833         
       2020  9  8  59100       0.2405      0.3294     -0.21846         
       2020  9  9  59101       0.2401      0.3277     -0.21849         
       2020  9 10  59102       0.2397      0.3260     -0.21844         
       2020  9 11  59103       0.2392      0.3243     -0.21836         
       2020  9 12  59104       0.2387      0.3226     -0.21821         
       2020  9 13  59105       0.2382      0.3210     -0.21816         
       2020  9 14  59106       0.2376      0.3193     -0.21826         
       2020  9 15  59107       0.2370      0.3177     -0.21858         
       2020  9 16  59108       0.2364      0.3161     -0.21915         
       2020  9 17  59109       0.2357      0.3144     -0.22000         
       2020  9 18  59110       0.2351      0.3128     -0.22106         
       2020  9 19  59111       0.2343      0.3112     -0.22227         
       2020  9 20  59112       0.2336      0.3096     -0.22347         
       2020  9 21  59113       0.2328      0.3080     -0.22447         
       2020  9 22  59114       0.2320      0.3065     -0.22522         
       2020  9 23  59115       0.2312      0.3049     -0.22574         
       2020  9 24  59116       0.2303      0.3034     -0.22605         
       2020  9 25  59117       0.2294      0.3018     -0.22626         
       2020  9 26  59118       0.2285      0.3003     -0.22643         
       2020  9 27  59119       0.2275      0.2988     -0.22667         
       2020  9 28  59120       0.2266      0.2973     -0.22700         
       2020  9 29  59121       0.2256      0.2959     -0.22746         
       2020  9 30  59122       0.2245      0.2944     -0.22808         
       2020 10  1  59123       0.2235      0.2930     -0.22880         
       2020 10  2  59124       0.2224      0.2915     -0.22958         
       2020 10  3  59125       0.2213      0.2901     -0.23036         
       2020 10  4  59126       0.2201      0.2887     -0.23107         
       2020 10  5  59127       0.2189      0.2874     -0.23170         
       2020 10  6  59128       0.2177      0.2860     -0.23224         
       2020 10  7  59129       0.2165      0.2847     -0.23265         
       2020 10  8  59130       0.2153      0.2834     -0.23298         
       2020 10  9  59131       0.2140      0.2821     -0.23324         
       2020 10 10  59132       0.2127      0.2808     -0.23343         
       2020 10 11  59133       0.2114      0.2795     -0.23367         
       2020 10 12  59134       0.2100      0.2783     -0.23407         
       2020 10 13  59135       0.2087      0.2771     -0.23472         
       2020 10 14  59136       0.2073      0.2759     -0.23566         
       2020 10 15  59137       0.2059      0.2747     -0.23684         
       2020 10 16  59138       0.2044      0.2736     -0.23819         
       2020 10 17  59139       0.2030      0.2725     -0.23961         
       2020 10 18  59140       0.2015      0.2714     -0.24092         
       2020 10 19  59141       0.2000      0.2703     -0.24200         
       2020 10 20  59142       0.1985      0.2692     -0.24281         
       2020 10 21  59143       0.1969      0.2682     -0.24339         
       2020 10 22  59144       0.1954      0.2672     -0.24385         
       2020 10 23  59145       0.1938      0.2662     -0.24422         
       2020 10 24  59146       0.1922      0.2653     -0.24462         
       2020 10 25  59147       0.1906      0.2643     -0.24514         
       2020 10 26  59148       0.1889      0.2634     -0.24579         
       2020 10 27  59149       0.1873      0.2626     -0.24660         
       2020 10 28  59150       0.1856      0.2617     -0.24752         
       2020 10 29  59151       0.1839      0.2609     -0.24856         
       2020 10 30  59152       0.1822      0.2601     -0.24963         
       2020 10 31  59153       0.1805      0.2593     -0.25069         
       2020 11  1  59154       0.1787      0.2586     -0.25172         
       2020 11  2  59155       0.1770      0.2578     -0.25268         
       2020 11  3  59156       0.1752      0.2572     -0.25354         
       2020 11  4  59157       0.1735      0.2565     -0.25430         
       2020 11  5  59158       0.1717      0.2559     -0.25500         
       2020 11  6  59159       0.1699      0.2553     -0.25570         
       2020 11  7  59160       0.1681      0.2547     -0.25641         
       2020 11  8  59161       0.1662      0.2541     -0.25724         
       2020 11  9  59162       0.1644      0.2536     -0.25823         
       2020 11 10  59163       0.1625      0.2531     -0.25942         
       2020 11 11  59164       0.1607      0.2527     -0.26088         
       2020 11 12  59165       0.1588      0.2522     -0.26256         
       2020 11 13  59166       0.1569      0.2518     -0.26435         
       2020 11 14  59167       0.1551      0.2515     -0.26612         
       2020 11 15  59168       0.1532      0.2511     -0.26774         
       2020 11 16  59169       0.1513      0.2508     -0.26910         
       2020 11 17  59170       0.1494      0.2505     -0.27019         
       2020 11 18  59171       0.1474      0.2503     -0.27099         
       2020 11 19  59172       0.1455      0.2501     -0.27164         
       2020 11 20  59173       0.1436      0.2499     -0.27232         
       2020 11 21  59174       0.1417      0.2497     -0.27306         
       2020 11 22  59175       0.1397      0.2496     -0.27396         
       2020 11 23  59176       0.1378      0.2495     -0.27501         
       2020 11 24  59177       0.1359      0.2495     -0.27616         
       2020 11 25  59178       0.1339      0.2494     -0.27742         
       2020 11 26  59179       0.1320      0.2494     -0.27867         
       2020 11 27  59180       0.1301      0.2495     -0.27984         
       2020 11 28  59181       0.1281      0.2495     -0.28094         
       2020 11 29  59182       0.1262      0.2496     -0.28189         
       2020 11 30  59183       0.1242      0.2497     -0.28269         
       2020 12  1  59184       0.1223      0.2499     -0.28337         
       2020 12  2  59185       0.1204      0.2501     -0.28393         
       2020 12  3  59186       0.1184      0.2503     -0.28440         
       2020 12  4  59187       0.1165      0.2505     -0.28483         
       2020 12  5  59188       0.1146      0.2508     -0.28530         
       2020 12  6  59189       0.1126      0.2511     -0.28588         
       2020 12  7  59190       0.1107      0.2515     -0.28665         
       2020 12  8  59191       0.1088      0.2518     -0.28760         
       2020 12  9  59192       0.1069      0.2522     -0.28871         
       2020 12 10  59193       0.1050      0.2527     -0.28996         
       2020 12 11  59194       0.1031      0.2531     -0.29125         
       2020 12 12  59195       0.1012      0.2536     -0.29242         
       2020 12 13  59196       0.0993      0.2542     -0.29345         
       2020 12 14  59197       0.0974      0.2547     -0.29423         
       2020 12 15  59198       0.0956      0.2553     -0.29482         
       2020 12 16  59199       0.0937      0.2559     -0.29528         
       2020 12 17  59200       0.0919      0.2566     -0.29575         
       2020 12 18  59201       0.0901      0.2572     -0.29628         
      These predictions are based on all announced leap seconds.               
                                                                               
      CELESTIAL POLE OFFSET SERIES:                                            
                           NEOS Celestial Pole Offset Series                   
                       MJD      dpsi    error     deps    error                
                                        (msec. of arc)                         
                      58821  -110.22    0.50   -6.87    0.10   
                      58822  -110.15    0.50   -6.93    0.10   
                      58823  -110.08    0.50   -6.98    0.10   
                                                            
                     IAU2000A Celestial Pole Offset Series  
                      MJD      dX     error     dY     error
                                    (msec. of arc)          
                      58821    0.222  0.197    0.076   0.097          
                      58822    0.266  0.197    0.051   0.097          
                      58823    0.309  0.197    0.028   0.097          
                                                                               
    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).          
