******************************************************************************* JPL/HORIZONS Bernardinelli-Bernstein (C/2014 UN271) 2024-May-07 13:31:58 Rec #:90004270 (+COV) Soln.date: 2024-Apr-29_13:12:17 # obs: 595 (2010-2024) IAU76/J2000 helio. ecliptic osc. elements (au, days, deg., period=Julian yrs): EPOCH= 2458400.5 ! 2018-Oct-09.0000000 (TDB) RMSW= n.a. EC= .9980368672495172 QR= 10.93804028229074 TP= 2462894.627714253 OM= 190.058540472261 W= 326.3842399842929 IN= 95.5321316051965 A= 5571.727270914766 MA= 359.9893496296782 ADIST= 11132.51650154724 PER= 415903.88523233 N= 2.37E-6 ANGMOM= .08041794100000001 DAN= 11.93501 DDN= 129.41994 L= 193.7255469 B= -33.4385301 MOID= 10.08950043 TP= 2031-Jan-28.1277142530 Comet physical (GM= km^3/s^2; RAD= km): GM= n.a. RAD= n.a. M1= 6. M2= n.a. k1= 4.75 k2= n.a. PHCOF= n.a. COMET comments 1: soln ref.= JPL#63, data arc: 2010-11-15 to 2024-04-09 2: k1=4.75; ******************************************************************************* ******************************************************************************* Ephemeris / WWW_USER Tue May 7 13:31:58 2024 Pasadena, USA / Horizons ******************************************************************************* Target body name: Bernardinelli-Bernstein (C/2014 UN271) {source: JPL#63} Center body name: Earth (399) {source: DE441} Center-site name: GEOCENTRIC ******************************************************************************* Start time : A.D. 2031-Jan-01 00:00:00.0000 UT Stop time : A.D. 2031-Feb-10 00:00:00.0000 UT Step-size : 180 minutes ******************************************************************************* Target pole/equ : undefined Target radii : undefined Center geodetic : 0.0, 0.0, -6378.137 {E-lon(deg),Lat(deg),Alt(km)} Center cylindric: 0.0, 0.0, 0.0 {E-lon(deg),Dxy(km),Dz(km)} Center pole/equ : ITRF93 {East-longitude positive} Center radii : 6378.137, 6378.137, 6356.752 km {Equator_a, b, pole_c} Target primary : Sun Vis. interferer : MOON (R_eq= 1737.400) km {source: DE441} Rel. light bend : Sun {source: DE441} Rel. lght bnd GM: 1.3271E+11 km^3/s^2 Small-body perts: Yes {source: SB441-N16} Atmos refraction: NO (AIRLESS) RA format : HMS Time format : CAL Calendar mode : Mixed Julian/Gregorian EOP file : eop.240506.p240730 EOP coverage : DATA-BASED 1962-JAN-20 TO 2024-MAY-06. PREDICTS-> 2024-JUL-29 Units conversion: 1 au= 149597870.700 km, c= 299792.458 km/s, 1 day= 86400.0 s Table cut-offs 1: Elevation (-90.0deg=NO ),Airmass (>38.000=NO), Daylight (NO ) Table cut-offs 2: Solar elongation ( 0.0,180.0=NO ),Local Hour Angle( 0.0=NO ) Table cut-offs 3: RA/DEC angular rate ( 0.0=NO ) ******************************************************************************* Initial IAU76/J2000 heliocentric ecliptic osculating elements (au, days, deg.): EPOCH= 2458400.5 ! 2018-Oct-09.0000000 (TDB) RMSW= n.a. EC= .9980368672495172 QR= 10.93804028229074 TP= 2462894.627714253 OM= 190.058540472261 W= 326.3842399842929 IN= 95.5321316051965 Equivalent ICRF heliocentric cartesian coordinates (au, au/d): X= 1.484084902356860E+01 Y= 8.131230833139627E+00 Z=-1.673328023999834E+01 VX=-4.857920029252829E-03 VY=-1.028492261076356E-03 VZ= 3.972498277191598E-04 Comet physical (GM= km^3/s^2; RAD= km): GM= n.a. RAD= n.a. M1= 6. M2= n.a. k1= 4.75 k2= n.a. PHCOF= n.a. ******************************************************************************* Date__(UT)__HR:MN r rdot ************************************************** $$SOE 2031-Jan-01 00:00 10.95092342160 -0.0938790 2031-Jan-01 03:00 10.95091666282 -0.0933459 2031-Jan-01 06:00 10.95090994253 -0.0928129 2031-Jan-01 09:00 10.95090326073 -0.0922798 2031-Jan-01 12:00 10.95089661741 -0.0917467 2031-Jan-01 15:00 10.95089001258 -0.0912137 2031-Jan-01 18:00 10.95088344624 -0.0906806 2031-Jan-01 21:00 10.95087691839 -0.0901475 2031-Jan-02 00:00 10.95087042902 -0.0896144 2031-Jan-02 03:00 10.95086397814 -0.0890814 2031-Jan-02 06:00 10.95085756575 -0.0885483 2031-Jan-02 09:00 10.95085119184 -0.0880152 2031-Jan-02 12:00 10.95084485643 -0.0874821 2031-Jan-02 15:00 10.95083855950 -0.0869490 2031-Jan-02 18:00 10.95083230106 -0.0864160 2031-Jan-02 21:00 10.95082608111 -0.0858829 2031-Jan-03 00:00 10.95081989964 -0.0853498 2031-Jan-03 03:00 10.95081375667 -0.0848167 2031-Jan-03 06:00 10.95080765218 -0.0842836 2031-Jan-03 09:00 10.95080158619 -0.0837505 2031-Jan-03 12:00 10.95079555868 -0.0832174 2031-Jan-03 15:00 10.95078956966 -0.0826843 2031-Jan-03 18:00 10.95078361913 -0.0821512 2031-Jan-03 21:00 10.95077770709 -0.0816181 2031-Jan-04 00:00 10.95077183354 -0.0810850 2031-Jan-04 03:00 10.95076599848 -0.0805519 2031-Jan-04 06:00 10.95076020191 -0.0800188 2031-Jan-04 09:00 10.95075444383 -0.0794857 2031-Jan-04 12:00 10.95074872424 -0.0789526 2031-Jan-04 15:00 10.95074304314 -0.0784195 2031-Jan-04 18:00 10.95073740053 -0.0778864 2031-Jan-04 21:00 10.95073179641 -0.0773533 2031-Jan-05 00:00 10.95072623078 -0.0768201 2031-Jan-05 03:00 10.95072070364 -0.0762870 2031-Jan-05 06:00 10.95071521500 -0.0757539 2031-Jan-05 09:00 10.95070976484 -0.0752208 2031-Jan-05 12:00 10.95070435317 -0.0746877 2031-Jan-05 15:00 10.95069898000 -0.0741545 2031-Jan-05 18:00 10.95069364532 -0.0736214 2031-Jan-05 21:00 10.95068834912 -0.0730883 2031-Jan-06 00:00 10.95068309142 -0.0725552 2031-Jan-06 03:00 10.95067787222 -0.0720220 2031-Jan-06 06:00 10.95067269150 -0.0714889 2031-Jan-06 09:00 10.95066754927 -0.0709558 2031-Jan-06 12:00 10.95066244554 -0.0704226 2031-Jan-06 15:00 10.95065738030 -0.0698895 2031-Jan-06 18:00 10.95065235355 -0.0693564 2031-Jan-06 21:00 10.95064736529 -0.0688232 2031-Jan-07 00:00 10.95064241553 -0.0682901 2031-Jan-07 03:00 10.95063750426 -0.0677569 2031-Jan-07 06:00 10.95063263148 -0.0672238 2031-Jan-07 09:00 10.95062779719 -0.0666907 2031-Jan-07 12:00 10.95062300140 -0.0661575 2031-Jan-07 15:00 10.95061824410 -0.0656244 2031-Jan-07 18:00 10.95061352529 -0.0650912 2031-Jan-07 21:00 10.95060884498 -0.0645581 2031-Jan-08 00:00 10.95060420316 -0.0640249 2031-Jan-08 03:00 10.95059959983 -0.0634917 2031-Jan-08 06:00 10.95059503500 -0.0629586 2031-Jan-08 09:00 10.95059050866 -0.0624254 2031-Jan-08 12:00 10.95058602081 -0.0618923 2031-Jan-08 15:00 10.95058157146 -0.0613591 2031-Jan-08 18:00 10.95057716060 -0.0608260 2031-Jan-08 21:00 10.95057278823 -0.0602928 2031-Jan-09 00:00 10.95056845436 -0.0597596 2031-Jan-09 03:00 10.95056415899 -0.0592265 2031-Jan-09 06:00 10.95055990210 -0.0586933 2031-Jan-09 09:00 10.95055568372 -0.0581601 2031-Jan-09 12:00 10.95055150382 -0.0576270 2031-Jan-09 15:00 10.95054736243 -0.0570938 2031-Jan-09 18:00 10.95054325952 -0.0565606 2031-Jan-09 21:00 10.95053919511 -0.0560274 2031-Jan-10 00:00 10.95053516920 -0.0554943 2031-Jan-10 03:00 10.95053118178 -0.0549611 2031-Jan-10 06:00 10.95052723286 -0.0544279 2031-Jan-10 09:00 10.95052332243 -0.0538947 2031-Jan-10 12:00 10.95051945050 -0.0533616 2031-Jan-10 15:00 10.95051561706 -0.0528284 2031-Jan-10 18:00 10.95051182212 -0.0522952 2031-Jan-10 21:00 10.95050806567 -0.0517620 2031-Jan-11 00:00 10.95050434772 -0.0512288 2031-Jan-11 03:00 10.95050066827 -0.0506956 2031-Jan-11 06:00 10.95049702731 -0.0501624 2031-Jan-11 09:00 10.95049342485 -0.0496293 2031-Jan-11 12:00 10.95048986088 -0.0490961 2031-Jan-11 15:00 10.95048633541 -0.0485629 2031-Jan-11 18:00 10.95048284844 -0.0480297 2031-Jan-11 21:00 10.95047939996 -0.0474965 2031-Jan-12 00:00 10.95047598998 -0.0469633 2031-Jan-12 03:00 10.95047261849 -0.0464301 2031-Jan-12 06:00 10.95046928550 -0.0458969 2031-Jan-12 09:00 10.95046599101 -0.0453637 2031-Jan-12 12:00 10.95046273502 -0.0448305 2031-Jan-12 15:00 10.95045951752 -0.0442973 2031-Jan-12 18:00 10.95045633852 -0.0437641 2031-Jan-12 21:00 10.95045319802 -0.0432309 2031-Jan-13 00:00 10.95045009601 -0.0426977 2031-Jan-13 03:00 10.95044703250 -0.0421645 2031-Jan-13 06:00 10.95044400749 -0.0416313 2031-Jan-13 09:00 10.95044102097 -0.0410981 2031-Jan-13 12:00 10.95043807295 -0.0405649 2031-Jan-13 15:00 10.95043516344 -0.0400317 2031-Jan-13 18:00 10.95043229241 -0.0394984 2031-Jan-13 21:00 10.95042945989 -0.0389652 2031-Jan-14 00:00 10.95042666586 -0.0384320 2031-Jan-14 03:00 10.95042391033 -0.0378988 2031-Jan-14 06:00 10.95042119330 -0.0373656 2031-Jan-14 09:00 10.95041851477 -0.0368324 2031-Jan-14 12:00 10.95041587473 -0.0362992 2031-Jan-14 15:00 10.95041327320 -0.0357659 2031-Jan-14 18:00 10.95041071016 -0.0352327 2031-Jan-14 21:00 10.95040818562 -0.0346995 2031-Jan-15 00:00 10.95040569958 -0.0341663 2031-Jan-15 03:00 10.95040325203 -0.0336331 2031-Jan-15 06:00 10.95040084299 -0.0330998 2031-Jan-15 09:00 10.95039847244 -0.0325666 2031-Jan-15 12:00 10.95039614039 -0.0320334 2031-Jan-15 15:00 10.95039384684 -0.0315002 2031-Jan-15 18:00 10.95039159179 -0.0309669 2031-Jan-15 21:00 10.95038937524 -0.0304337 2031-Jan-16 00:00 10.95038719719 -0.0299005 2031-Jan-16 03:00 10.95038505763 -0.0293673 2031-Jan-16 06:00 10.95038295658 -0.0288340 2031-Jan-16 09:00 10.95038089402 -0.0283008 2031-Jan-16 12:00 10.95037886996 -0.0277676 2031-Jan-16 15:00 10.95037688441 -0.0272343 2031-Jan-16 18:00 10.95037493735 -0.0267011 2031-Jan-16 21:00 10.95037302879 -0.0261679 2031-Jan-17 00:00 10.95037115873 -0.0256346 2031-Jan-17 03:00 10.95036932717 -0.0251014 2031-Jan-17 06:00 10.95036753411 -0.0245682 2031-Jan-17 09:00 10.95036577955 -0.0240349 2031-Jan-17 12:00 10.95036406348 -0.0235017 2031-Jan-17 15:00 10.95036238592 -0.0229684 2031-Jan-17 18:00 10.95036074686 -0.0224352 2031-Jan-17 21:00 10.95035914630 -0.0219020 2031-Jan-18 00:00 10.95035758423 -0.0213687 2031-Jan-18 03:00 10.95035606067 -0.0208355 2031-Jan-18 06:00 10.95035457561 -0.0203022 2031-Jan-18 09:00 10.95035312904 -0.0197690 2031-Jan-18 12:00 10.95035172098 -0.0192358 2031-Jan-18 15:00 10.95035035142 -0.0187025 2031-Jan-18 18:00 10.95034902035 -0.0181693 2031-Jan-18 21:00 10.95034772779 -0.0176360 2031-Jan-19 00:00 10.95034647373 -0.0171028 2031-Jan-19 03:00 10.95034525817 -0.0165695 2031-Jan-19 06:00 10.95034408110 -0.0160363 2031-Jan-19 09:00 10.95034294254 -0.0155030 2031-Jan-19 12:00 10.95034184248 -0.0149698 2031-Jan-19 15:00 10.95034078092 -0.0144365 2031-Jan-19 18:00 10.95033975786 -0.0139033 2031-Jan-19 21:00 10.95033877330 -0.0133700 2031-Jan-20 00:00 10.95033782724 -0.0128368 2031-Jan-20 03:00 10.95033691968 -0.0123035 2031-Jan-20 06:00 10.95033605062 -0.0117703 2031-Jan-20 09:00 10.95033522006 -0.0112370 2031-Jan-20 12:00 10.95033442801 -0.0107038 2031-Jan-20 15:00 10.95033367445 -0.0101705 2031-Jan-20 18:00 10.95033295939 -0.0096373 2031-Jan-20 21:00 10.95033228284 -0.0091040 2031-Jan-21 00:00 10.95033164478 -0.0085707 2031-Jan-21 03:00 10.95033104523 -0.0080375 2031-Jan-21 06:00 10.95033048418 -0.0075042 2031-Jan-21 09:00 10.95032996163 -0.0069710 2031-Jan-21 12:00 10.95032947758 -0.0064377 2031-Jan-21 15:00 10.95032903203 -0.0059045 2031-Jan-21 18:00 10.95032862498 -0.0053712 2031-Jan-21 21:00 10.95032825643 -0.0048379 2031-Jan-22 00:00 10.95032792638 -0.0043047 2031-Jan-22 03:00 10.95032763484 -0.0037714 2031-Jan-22 06:00 10.95032738179 -0.0032382 2031-Jan-22 09:00 10.95032716725 -0.0027049 2031-Jan-22 12:00 10.95032699121 -0.0021716 2031-Jan-22 15:00 10.95032685367 -0.0016384 2031-Jan-22 18:00 10.95032675463 -0.0011051 2031-Jan-22 21:00 10.95032669409 -0.0005719 2031-Jan-23 00:00 10.95032667205 -0.0000386 2031-Jan-23 03:00 10.95032668852 0.0004947 2031-Jan-23 06:00 10.95032674348 0.0010279 2031-Jan-23 09:00 10.95032683695 0.0015612 2031-Jan-23 12:00 10.95032696892 0.0020945 2031-Jan-23 15:00 10.95032713939 0.0026277 2031-Jan-23 18:00 10.95032734836 0.0031610 2031-Jan-23 21:00 10.95032759583 0.0036943 2031-Jan-24 00:00 10.95032788181 0.0042275 2031-Jan-24 03:00 10.95032820628 0.0047608 2031-Jan-24 06:00 10.95032856926 0.0052940 2031-Jan-24 09:00 10.95032897074 0.0058273 2031-Jan-24 12:00 10.95032941072 0.0063606 2031-Jan-24 15:00 10.95032988920 0.0068938 2031-Jan-24 18:00 10.95033040618 0.0074271 2031-Jan-24 21:00 10.95033096166 0.0079604 2031-Jan-25 00:00 10.95033155565 0.0084936 2031-Jan-25 03:00 10.95033218814 0.0090269 2031-Jan-25 06:00 10.95033285913 0.0095602 2031-Jan-25 09:00 10.95033356862 0.0100934 2031-Jan-25 12:00 10.95033431661 0.0106267 2031-Jan-25 15:00 10.95033510310 0.0111600 2031-Jan-25 18:00 10.95033592809 0.0116932 2031-Jan-25 21:00 10.95033679159 0.0122265 2031-Jan-26 00:00 10.95033769359 0.0127598 2031-Jan-26 03:00 10.95033863409 0.0132930 2031-Jan-26 06:00 10.95033961309 0.0138263 2031-Jan-26 09:00 10.95034063059 0.0143596 2031-Jan-26 12:00 10.95034168660 0.0148928 2031-Jan-26 15:00 10.95034278110 0.0154261 2031-Jan-26 18:00 10.95034391411 0.0159594 2031-Jan-26 21:00 10.95034508562 0.0164927 2031-Jan-27 00:00 10.95034629563 0.0170259 2031-Jan-27 03:00 10.95034754414 0.0175592 2031-Jan-27 06:00 10.95034883115 0.0180925 2031-Jan-27 09:00 10.95035015667 0.0186257 2031-Jan-27 12:00 10.95035152068 0.0191590 2031-Jan-27 15:00 10.95035292320 0.0196923 2031-Jan-27 18:00 10.95035436422 0.0202255 2031-Jan-27 21:00 10.95035584374 0.0207588 2031-Jan-28 00:00 10.95035736177 0.0212921 2031-Jan-28 03:00 10.95035891829 0.0218253 2031-Jan-28 06:00 10.95036051331 0.0223586 2031-Jan-28 09:00 10.95036214684 0.0228919 2031-Jan-28 12:00 10.95036381887 0.0234251 2031-Jan-28 15:00 10.95036552940 0.0239584 2031-Jan-28 18:00 10.95036727843 0.0244917 2031-Jan-28 21:00 10.95036906596 0.0250249 2031-Jan-29 00:00 10.95037089200 0.0255582 2031-Jan-29 03:00 10.95037275653 0.0260915 2031-Jan-29 06:00 10.95037465957 0.0266247 2031-Jan-29 09:00 10.95037660111 0.0271580 2031-Jan-29 12:00 10.95037858115 0.0276913 2031-Jan-29 15:00 10.95038059969 0.0282245 2031-Jan-29 18:00 10.95038265673 0.0287578 2031-Jan-29 21:00 10.95038475227 0.0292911 2031-Jan-30 00:00 10.95038688632 0.0298243 2031-Jan-30 03:00 10.95038905887 0.0303576 2031-Jan-30 06:00 10.95039126991 0.0308909 2031-Jan-30 09:00 10.95039351946 0.0314241 2031-Jan-30 12:00 10.95039580751 0.0319574 2031-Jan-30 15:00 10.95039813406 0.0324907 2031-Jan-30 18:00 10.95040049911 0.0330239 2031-Jan-30 21:00 10.95040290267 0.0335572 2031-Jan-31 00:00 10.95040534472 0.0340904 2031-Jan-31 03:00 10.95040782527 0.0346237 2031-Jan-31 06:00 10.95041034433 0.0351570 2031-Jan-31 09:00 10.95041290189 0.0356902 2031-Jan-31 12:00 10.95041549795 0.0362235 2031-Jan-31 15:00 10.95041813250 0.0367568 2031-Jan-31 18:00 10.95042080556 0.0372900 2031-Jan-31 21:00 10.95042351712 0.0378233 2031-Feb-01 00:00 10.95042626719 0.0383565 2031-Feb-01 03:00 10.95042905575 0.0388898 2031-Feb-01 06:00 10.95043188281 0.0394231 2031-Feb-01 09:00 10.95043474838 0.0399563 2031-Feb-01 12:00 10.95043765244 0.0404896 2031-Feb-01 15:00 10.95044059500 0.0410228 2031-Feb-01 18:00 10.95044357607 0.0415561 2031-Feb-01 21:00 10.95044659564 0.0420894 2031-Feb-02 00:00 10.95044965370 0.0426226 2031-Feb-02 03:00 10.95045275027 0.0431559 2031-Feb-02 06:00 10.95045588534 0.0436891 2031-Feb-02 09:00 10.95045905891 0.0442224 2031-Feb-02 12:00 10.95046227097 0.0447556 2031-Feb-02 15:00 10.95046552154 0.0452889 2031-Feb-02 18:00 10.95046881061 0.0458221 2031-Feb-02 21:00 10.95047213818 0.0463554 2031-Feb-03 00:00 10.95047550425 0.0468887 2031-Feb-03 03:00 10.95047890882 0.0474219 2031-Feb-03 06:00 10.95048235189 0.0479552 2031-Feb-03 09:00 10.95048583346 0.0484884 2031-Feb-03 12:00 10.95048935353 0.0490217 2031-Feb-03 15:00 10.95049291210 0.0495549 2031-Feb-03 18:00 10.95049650917 0.0500882 2031-Feb-03 21:00 10.95050014474 0.0506214 2031-Feb-04 00:00 10.95050381881 0.0511547 2031-Feb-04 03:00 10.95050753138 0.0516879 2031-Feb-04 06:00 10.95051128245 0.0522212 2031-Feb-04 09:00 10.95051507202 0.0527544 2031-Feb-04 12:00 10.95051890009 0.0532877 2031-Feb-04 15:00 10.95052276665 0.0538209 2031-Feb-04 18:00 10.95052667172 0.0543541 2031-Feb-04 21:00 10.95053061529 0.0548874 2031-Feb-05 00:00 10.95053459736 0.0554206 2031-Feb-05 03:00 10.95053861792 0.0559539 2031-Feb-05 06:00 10.95054267699 0.0564871 2031-Feb-05 09:00 10.95054677455 0.0570204 2031-Feb-05 12:00 10.95055091061 0.0575536 2031-Feb-05 15:00 10.95055508518 0.0580868 2031-Feb-05 18:00 10.95055929824 0.0586201 2031-Feb-05 21:00 10.95056354980 0.0591533 2031-Feb-06 00:00 10.95056783986 0.0596866 2031-Feb-06 03:00 10.95057216842 0.0602198 2031-Feb-06 06:00 10.95057653547 0.0607530 2031-Feb-06 09:00 10.95058094103 0.0612863 2031-Feb-06 12:00 10.95058538508 0.0618195 2031-Feb-06 15:00 10.95058986764 0.0623527 2031-Feb-06 18:00 10.95059438869 0.0628860 2031-Feb-06 21:00 10.95059894824 0.0634192 2031-Feb-07 00:00 10.95060354629 0.0639524 2031-Feb-07 03:00 10.95060818284 0.0644857 2031-Feb-07 06:00 10.95061285788 0.0650189 2031-Feb-07 09:00 10.95061757143 0.0655521 2031-Feb-07 12:00 10.95062232347 0.0660854 2031-Feb-07 15:00 10.95062711401 0.0666186 2031-Feb-07 18:00 10.95063194304 0.0671518 2031-Feb-07 21:00 10.95063681058 0.0676850 2031-Feb-08 00:00 10.95064171661 0.0682183 2031-Feb-08 03:00 10.95064666115 0.0687515 2031-Feb-08 06:00 10.95065164418 0.0692847 2031-Feb-08 09:00 10.95065666570 0.0698179 2031-Feb-08 12:00 10.95066172573 0.0703512 2031-Feb-08 15:00 10.95066682425 0.0708844 2031-Feb-08 18:00 10.95067196127 0.0714176 2031-Feb-08 21:00 10.95067713678 0.0719508 2031-Feb-09 00:00 10.95068235080 0.0724840 2031-Feb-09 03:00 10.95068760331 0.0730173 2031-Feb-09 06:00 10.95069289432 0.0735505 2031-Feb-09 09:00 10.95069822382 0.0740837 2031-Feb-09 12:00 10.95070359183 0.0746169 2031-Feb-09 15:00 10.95070899832 0.0751501 2031-Feb-09 18:00 10.95071444332 0.0756833 2031-Feb-09 21:00 10.95071992681 0.0762165 2031-Feb-10 00:00 10.95072544880 0.0767498 $$EOE ******************************************************************************* Column meaning: TIME Times PRIOR to 1962 are UT1, a mean-solar time closely related to the prior but now-deprecated GMT. Times AFTER 1962 are in UTC, the current civil or "wall-clock" time-scale. UTC is kept within 0.9 seconds of UT1 using integer leap-seconds for 1972 and later years. Conversion from the internal Barycentric Dynamical Time (TDB) of solar system dynamics to the non-uniform civil UT time-scale requested for output has not been determined for UTC times after the next July or January 1st. Therefore, the last known leap-second is used as a constant over future intervals. Time tags refer to the UT time-scale conversion from TDB on Earth regardless of observer location within the solar system, although clock rates may differ due to the local gravity field and no analog to "UT" may be defined for that location. Any 'b' symbol in the 1st-column denotes a B.C. date. First-column blank (" ") denotes an A.D. date. CALENDAR SYSTEM Mixed calendar mode was active such that calendar dates after AD 1582-Oct-15 (if any) are in the modern Gregorian system. Dates prior to 1582-Oct-5 (if any) are in the Julian calendar system, which is automatically extended for dates prior to its adoption on 45-Jan-1 BC. The Julian calendar is useful for matching historical dates. The Gregorian calendar more accurately corresponds to the Earth's orbital motion and seasons. A "Gregorian-only" calendar mode is available if such physical events are the primary interest. NOTE: "n.a." in output means quantity "not available" at the print-time. 'r rdot' = The Sun's apparent range ("r", light-time aberrated) and range-rate ("rdot") relative to the target center, as seen by the observer. A positive "rdot" means the target center was moving away from the Sun, negative means moving toward the Sun. Units: AU and KM/S Computations by ... Solar System Dynamics Group, Horizons On-Line Ephemeris System 4800 Oak Grove Drive, Jet Propulsion Laboratory Pasadena, CA 91109 USA General site: https://ssd.jpl.nasa.gov/ Mailing list: https://ssd.jpl.nasa.gov/email_list.html System news : https://ssd.jpl.nasa.gov/horizons/news.html User Guide : https://ssd.jpl.nasa.gov/horizons/manual.html Connect : browser https://ssd.jpl.nasa.gov/horizons/app.html#/x API https://ssd-api.jpl.nasa.gov/doc/horizons.html command-line telnet ssd.jpl.nasa.gov 6775 e-mail/batch https://ssd.jpl.nasa.gov/ftp/ssd/hrzn_batch.txt scripts https://ssd.jpl.nasa.gov/ftp/ssd/SCRIPTS Author : Jon.D.Giorgini@jpl.nasa.gov ******************************************************************************* !$$SOF COMMAND = '2014 UN271' START_TIME = '2031-01-01' STOP_TIME = '2031-02-10' STEP_SIZE = '3 hours' QUANTITIES = '19'