API VERSION: 1.2 API SOURCE: NASA/JPL Horizons API ******************************************************************************* Revised: Oct 31, 2024 Gaia Observatory -139479 http://sci.esa.int/gaia/ BACKGROUND: Gaia is designed and operated by the European Space Agency. It launched December 19, 2013 @ 09:12 UTC on a Soyuz launcher from Kourou, French Guiana. On 2014-Jan-08, it arrived at its operational Lissajous orbit around the gravitationally stable Earth-Sun Lagrange-point L2, roughly 1.5 million km from Earth in the direction opposite the Sun. The orbit is not shadowed by Earth eclipses. The orbit period is about 180 days; the size of the orbit is typically 340,000 x 90,000 km. MISSION: Gaia's 5-year primary mission is to ... * Measure the positions of ~1 billion stars both in our Galaxy and other members of the Local Group, with an accuracy down to 24 uas * Perform spectral and photometric measurements of all objects * Derive space velocities of the Galaxy's constituent stars using the stellar distances and motions * Create a three-dimensional structural map of the Galaxy Additional expected results include extrasolar planet detection, brown dwarf detection, solar system asteroid discoveries, supernova early detection, and testing of Einstein's general relativity. GAIA SPACECRAFT: Spacecraft dry mass total 1392 kg Propellant 237 kg Total launch mass 2029 kg Power: 12.8 m^2 solar array provides up to 1910 Watts SCIENCE INSTRUMENTS: Single integrated instrument that comprises three major functions: astrometry, photometry (320-1000 nm) and spectrometry (846-874 nm). The three functions use two common telescopes and a shared focal plane, with each function having a dedicated area on the large 0.5m x 1m CCD detector array. SPACECRAFT TRAJECTORY (from ESA 2024-Oct-29, predicts thereafter) Trajectory name Start Stop -------------------------------------------- ----------- ----------- ORB1_20241029_000001 2013-Dec-19 2026-Sep-14 ******************************************************************************* ******************************************************************************* Ephemeris / API_USER Mon Nov 4 03:01:12 2024 Pasadena, USA / Horizons ******************************************************************************* Target body name: Gaia (spacecraft) (-139479) {source: gaia_merged} Center body name: Earth (399) {source: gaia_merged} Center-site name: iTelescope Obs.,Beryl Junc. (Sato) ******************************************************************************* Start time : A.D. 2024-Oct-31 00:00:00.0000 UT Stop time : A.D. 2024-Nov-01 00:00:00.0000 UT Step-size : 10 minutes ******************************************************************************* Target pole/equ : undefined Target radii : undefined Center geodetic : 246.3025, 37.7377919, 1.56349 {E-lon(deg),Lat(deg),Alt(km)} Center cylindric: 246.3025,5051.53114,3883.42609 {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 : Earth Vis. interferer : MOON (R_eq= 1737.400) km {source: gaia_merged} Rel. light bend : Sun {source: gaia_merged} Rel. lght bnd GM: 1.3271E+11 km^3/s^2 Atmos refraction: NO (AIRLESS) RA format : HMS Time format : CAL Calendar mode : Mixed Julian/Gregorian RTS-only print : NO EOP file : eop.241101.p250128 EOP coverage : DATA-BASED 1962-JAN-20 TO 2024-NOV-01. PREDICTS-> 2025-JAN-27 Units conversion: 1 au= 149597870.700 km, c= 299792.458 km/s, 1 day= 86400.0 s Table cut-offs 1: Elevation ( 0.0deg=YES),Airmass (>38.000=NO), Daylight (YES) Table cut-offs 2: Solar elongation ( 12.0,180.0=YES),Local Hour Angle( 0.0=NO ) Table cut-offs 3: RA/DEC angular rate ( 0.0=NO ) *************************************************************************************************************************************************************************************************************************************************** Date__(UT)__HR:MN R.A._____(ICRF)_____DEC Azi____(a-app)___Elev APmag S-brt r rdot delta deldot S-O-T /r S-T-O T-O-M/MN_Illu% RA_3sigma DEC_3sigma Sky_motion Sky_mot_PA RelVel-ANG *************************************************************************************************************************************************************************************************************************************************** $$SOE >..... Daylight Cut-off Requested .....< 2024-Oct-31 00:50 C 01 33 42.60 +15 38 29.2 80.234580 13.346111 n.a. n.a. 1.003012446642 -0.4977970 0.01040624528908 -0.3876911 168.3482 /T 11.5315 172.7/ 2.1701 n.a. n.a. 1.9309897 49.091270 -57.93040 2024-Oct-31 01:00 C 01 33 43.57 +15 38 41.9 81.684214 15.302794 n.a. n.a. 1.003010450141 -0.4977762 0.01040469343616 -0.3860283 168.3456 /T 11.5342 172.8/ 2.1503 n.a. n.a. 1.8347109 46.577704 -59.12932 2024-Oct-31 01:10 N 01 33 44.44 +15 38 54.5 83.137083 17.266990 n.a. n.a. 1.003008453723 -0.4977554 0.01040314959683 -0.3836957 168.3426 /T 11.5372 172.9/ 2.1303 n.a. n.a. 1.7417151 43.841747 -60.27987 2024-Oct-31 01:20 N 01 33 45.24 +15 39 07.0 84.596765 19.237459 n.a. n.a. 1.003006457389 -0.4977346 0.01040161644923 -0.3806976 168.3393 /T 11.5405 173.0/ 2.1102 n.a. n.a. 1.6525835 40.862631 -61.37316 2024-Oct-31 01:30 N 01 33 45.94 +15 39 19.5 86.067028 21.212954 n.a. n.a. 1.003004461138 -0.4977137 0.01040009665215 -0.3770395 168.3356 /T 11.5441 173.0/ 2.0898 n.a. n.a. 1.5679331 37.620261 -62.39884 2024-Oct-31 01:40 A 01 33 46.56 +15 39 31.9 87.551870 23.192207 n.a. n.a. 1.003002464971 -0.4976929 0.01039859283998 -0.3727280 168.3316 /T 11.5482 173.1/ 2.0692 n.a. n.a. 1.4884122 34.096767 -63.34499 2024-Oct-31 01:50 A 01 33 47.09 +15 39 44.2 89.055564 25.173919 n.a. n.a. 1.003000468887 -0.4976720 0.01039710761761 -0.3677711 168.3272 /T 11.5525 173.2/ 2.0484 n.a. n.a. 1.4146896 30.278656 -64.19804 2024-Oct-31 02:00 A 01 33 47.55 +15 39 56.3 90.582706 27.156743 n.a. n.a. 1.002998472887 -0.4976512 0.01039564355542 -0.3621781 168.3225 /T 11.5572 173.3/ 2.0275 n.a. n.a. 1.3474366 26.159565 -64.94290 2024-Oct-31 02:10 01 33 47.92 +15 40 08.3 92.138279 29.139269 n.a. n.a. 1.002996476971 -0.4976303 0.01039420318429 -0.3559594 168.3175 /T 11.5621 173.3/ 2.0064 n.a. n.a. 1.2873003 21.743449 -65.56321 2024-Oct-31 02:20 01 33 48.21 +15 40 20.2 93.727715 31.120004 n.a. n.a. 1.002994481139 -0.4976094 0.01039278899081 -0.3491267 168.3122 /T 11.5675 173.4/ 1.9851 n.a. n.a. 1.2348654 17.047807 -66.04180 2024-Oct-31 02:30 01 33 48.42 +15 40 32.0 95.356980 33.097353 n.a. n.a. 1.002992485391 -0.4975885 0.01039140341234 -0.3416928 168.3065 /T 11.5731 173.5/ 1.9637 n.a. n.a. 1.1906080 12.106211 -66.36148 2024-Oct-31 02:40 01 33 48.55 +15 40 43.5 97.032658 35.069592 n.a. n.a. 1.002990489726 -0.4975676 0.01039004883240 -0.3336717 168.3005 /T 11.5790 173.6/ 1.9422 n.a. n.a. 1.1548446 6.9692571 -66.50589 2024-Oct-31 02:50 01 33 48.61 +15 40 54.9 98.762062 37.034837 n.a. n.a. 1.002988494145 -0.4975467 0.01038872757596 -0.3250786 168.2943 /T 11.5852 173.6/ 1.9205 n.a. n.a. 1.1276839 1.7030745 -66.46061 2024-Oct-31 03:00 01 33 48.60 +15 41 06.1 100.553351 38.991015 n.a. n.a. 1.002986498649 -0.4975258 0.01038744190498 -0.3159298 168.2877 /T 11.5917 173.7/ 1.8987 n.a. n.a. 1.1089931 356.38503 -66.21405 2024-Oct-31 03:10 01 33 48.51 +15 41 17.0 102.415671 40.935815 n.a. n.a. 1.002984503236 -0.4975048 0.01038619401399 -0.3062426 168.2809 /T 11.5985 173.8/ 1.8768 n.a. n.a. 1.0983854 351.09707 -65.75810 2024-Oct-31 03:20 01 33 48.36 +15 41 27.8 104.359312 42.866648 n.a. n.a. 1.002982507907 -0.4974839 0.01038498602584 -0.2960354 168.2738 /T 11.6055 173.9/ 1.8549 n.a. n.a. 1.0952357 345.91811 -65.08836 2024-Oct-31 03:30 01 33 48.14 +15 41 38.3 106.395893 44.780580 n.a. n.a. 1.002980512663 -0.4974629 0.01038381998749 -0.2853277 168.2665 /T 11.6128 173.9/ 1.8328 n.a. n.a. 1.0987210 340.91698 -64.20376 2024-Oct-31 03:40 01 33 47.86 +15 41 48.5 108.538558 46.674264 n.a. n.a. 1.002978517502 -0.4974420 0.01038269786607 -0.2741397 168.2589 /T 11.6203 174.0/ 1.8107 n.a. n.a. 1.1078774 336.14764 -63.10592 2024-Oct-31 03:50 01 33 47.52 +15 41 58.5 110.802201 48.543856 n.a. n.a. 1.002976522426 -0.4974210 0.01038162154504 -0.2624929 168.2511 /T 11.6281 174.1/ 1.7885 n.a. n.a. 1.1216636 331.64705 -61.79814 2024-Oct-31 04:00 01 33 47.12 +15 42 08.2 113.203687 50.384913 n.a. n.a. 1.002974527434 -0.4974000 0.01038059282044 -0.2504095 168.2430 /T 11.6361 174.2/ 1.7663 n.a. n.a. 1.1390191 327.43572 -60.28438 2024-Oct-31 04:10 01 33 46.67 +15 42 17.7 115.762087 52.192269 n.a. n.a. 1.002972532526 -0.4973790 0.01037961339743 -0.2379126 168.2347 /T 11.6443 174.3/ 1.7440 n.a. n.a. 1.1589110 323.51996 -58.56831 2024-Oct-31 04:20 01 33 46.17 +15 42 26.9 118.498859 53.959893 n.a. n.a. 1.002970537703 -0.4973580 0.01037868488694 -0.2250261 168.2263 /T 11.6526 174.3/ 1.7217 n.a. n.a. 1.1803672 319.89503 -56.65259 2024-Oct-31 04:30 01 33 45.62 +15 42 35.7 121.437970 55.680725 n.a. n.a. 1.002968542964 -0.4973370 0.01037780880248 -0.2117745 168.2176 /T 11.6612 174.4/ 1.6995 n.a. n.a. 1.2024956 316.54837 -54.53833 2024-Oct-31 04:40 01 33 45.02 +15 42 44.3 124.605848 57.346484 n.a. n.a. 1.002966548309 -0.4973160 0.01037698655722 -0.1981834 168.2088 /T 11.6700 174.5/ 1.6772 n.a. n.a. 1.2244936 313.46246 -52.22470 2024-Oct-31 04:50 01 33 44.39 +15 42 52.6 128.031082 58.947463 n.a. n.a. 1.002964553738 -0.4972950 0.01037621946111 -0.1842788 168.1999 /T 11.6788 174.6/ 1.6549 n.a. n.a. 1.2456485 310.61711 -49.70884 2024-Oct-31 05:00 01 33 43.71 +15 43 00.5 131.743678 60.472328 n.a. n.a. 1.002962559253 -0.4972739 0.01037550871844 -0.1700873 168.1907 /T 11.6879 174.7/ 1.6327 n.a. n.a. 1.2653347 307.99109 -46.98578 2024-Oct-31 05:10 01 33 43.01 +15 43 08.1 135.773671 61.907934 n.a. n.a. 1.002960564851 -0.4972529 0.01037485542529 -0.1556362 168.1815 /T 11.6970 174.7/ 1.6106 n.a. n.a. 1.2830066 305.56330 -44.04860 2024-Oct-31 05:20 01 33 42.27 +15 43 15.4 140.148829 63.239220 n.a. n.a. 1.002958570534 -0.4972318 0.01037426056758 -0.1409532 168.1721 /T 11.7063 174.8/ 1.5885 n.a. n.a. 1.2981914 303.31345 -40.88866 2024-Oct-31 05:30 01 33 41.50 +15 43 22.3 144.891196 64.449239 n.a. n.a. 1.002956576302 -0.4972107 0.01037372501892 -0.1260665 168.1627 /T 11.7157 174.9/ 1.5664 n.a. n.a. 1.3104812 301.22243 -37.49605 2024-Oct-31 05:40 01 33 40.72 +15 43 29.0 150.012386 65.519436 n.a. n.a. 1.002954582155 -0.4971897 0.01037324953904 -0.1110047 168.1531 /T 11.7251 175.0/ 1.5445 n.a. n.a. 1.3195260 299.27255 -33.86020 2024-Oct-31 05:50 01 33 39.91 +15 43 35.2 155.507861 66.430264 n.a. n.a. 1.002952588092 -0.4971686 0.01037283477222 -0.0957968 168.1435 /T 11.7346 175.0/ 1.5226 n.a. n.a. 1.3250265 297.44748 -29.97080 2024-Oct-31 06:00 01 33 39.09 +15 43 41.2 161.351063 67.162236 n.a. n.a. 1.002950594113 -0.4971475 0.01037248124604 -0.0804719 168.1339 /T 11.7442 175.1/ 1.5008 n.a. n.a. 1.3267290 295.73228 -25.81895 2024-Oct-31 06:10 01 33 38.25 +15 43 46.7 167.488989 67.697409 n.a. n.a. 1.002948600220 -0.4971263 0.01037218937032 -0.0650597 168.1242 /T 11.7538 175.2/ 1.4792 n.a. n.a. 1.3244195 294.11317 -21.39876 2024-Oct-31 06:20 01 33 37.41 +15 43 51.9 173.841319 68.021171 n.a. n.a. 1.002946606411 -0.4971052 0.01037195943637 -0.0495897 168.1145 /T 11.7634 175.2/ 1.4577 n.a. n.a. 1.3179202 292.57746 -16.70915 2024-Oct-31 06:30 t 01 33 36.57 +15 43 56.8 180.304849 68.124001 n.a. n.a. 1.002944612688 -0.4970841 0.01037179161626 -0.0340916 168.1047 /T 11.7731 175.3/ 1.4363 n.a. n.a. 1.3070853 291.11331 -11.75597 2024-Oct-31 06:40 01 33 35.73 +15 44 01.3 186.763468 68.002761 n.a. n.a. 1.002942619049 -0.4970629 0.01037168596273 -0.0185953 168.0950 /T 11.7827 175.4/ 1.4151 n.a. n.a. 1.2917983 289.70951 -6.554077 2024-Oct-31 06:50 01 33 34.89 +15 44 05.5 193.101651 67.661159 n.a. n.a. 1.002940625495 -0.4970418 0.01037164240878 -0.0031306 168.0853 /T 11.7923 175.4/ 1.3940 n.a. n.a. 1.2719693 288.35532 -1.128970 2024-Oct-31 07:00 01 33 34.05 +15 44 09.3 199.217792 67.109206 n.a. n.a. 1.002938632026 -0.4970206 0.01037166076812 0.0122728 168.0757 /T 11.8018 175.5/ 1.3731 n.a. n.a. 1.2475330 287.04015 4.4823322 2024-Oct-31 07:10 01 33 33.23 +15 44 12.8 205.033758 66.361870 n.a. n.a. 1.002936638642 -0.4969994 0.01037174073528 0.0275852 168.0661 /T 11.8113 175.6/ 1.3524 n.a. n.a. 1.2184472 285.75330 10.231806 2024-Oct-31 07:20 01 33 32.43 +15 44 15.9 210.498848 65.437290 n.a. n.a. 1.002934645343 -0.4969783 0.01037188188639 0.0427772 168.0566 /T 11.8207 175.6/ 1.3319 n.a. n.a. 1.1846915 284.48362 16.062495 2024-Oct-31 07:30 01 33 31.65 +15 44 18.7 215.588542 64.355016 n.a. n.a. 1.002932652129 -0.4969571 0.01037208367996 0.0578197 168.0471 /T 11.8301 175.7/ 1.3116 n.a. n.a. 1.1462663 283.21907 21.912096 2024-Oct-31 07:40 01 33 30.89 +15 44 21.1 220.299879 63.134550 n.a. n.a. 1.002930659000 -0.4969359 0.01037234545791 0.0726836 168.0378 /T 11.8393 175.7/ 1.2915 n.a. n.a. 1.1031924 281.94609 27.717527 2024-Oct-31 07:50 01 33 30.15 +15 44 23.3 224.645552 61.794334 n.a. n.a. 1.002928665957 -0.4969146 0.01037266644695 0.0873406 168.0286 /T 11.8484 175.8/ 1.2716 n.a. n.a. 1.0555113 280.64890 33.419653 2024-Oct-31 08:00 01 33 29.45 +15 44 25.0 228.648246 60.351167 n.a. n.a. 1.002926672999 -0.4968934 0.01037304576005 0.1017623 168.0195 /T 11.8574 175.9/ 1.2519 n.a. n.a. 1.0032857 279.30830 38.967245 2024-Oct-31 08:10 01 33 28.78 +15 44 26.5 232.336033 58.819952 n.a. n.a. 1.002924680126 -0.4968722 0.01037348239820 0.1159211 168.0106 /T 11.8662 175.9/ 1.2325 n.a. n.a. 0.9466013 277.89999 44.319558 2024-Oct-31 08:20 01 33 28.15 +15 44 27.6 235.739018 57.213678 n.a. n.a. 1.002922687338 -0.4968509 0.01037397525242 0.1297899 168.0018 /T 11.8749 176.0/ 1.2133 n.a. n.a. 0.8855700 276.39205 49.447245 2024-Oct-31 08:30 01 33 27.56 +15 44 28.4 238.887133 55.543540 n.a. n.a. 1.002920694635 -0.4968297 0.01037452310590 0.1433421 167.9932 /T 11.8834 176.0/ 1.1944 n.a. n.a. 0.8203356 274.74075 54.331772 2024-Oct-31 08:40 01 33 27.02 +15 44 29.0 241.808807 53.819117 n.a. n.a. 1.002918702018 -0.4968084 0.01037512463644 0.1565517 167.9848 /T 11.8917 176.0/ 1.1757 n.a. n.a. 0.7510846 272.88371 58.963690 2024-Oct-31 08:50 01 33 26.53 +15 44 29.2 244.530271 52.048583 n.a. n.a. 1.002916709486 -0.4967871 0.01037577841902 0.1693934 167.9766 /T 11.8998 176.1/ 1.1573 n.a. n.a. 0.6780649 270.72779 63.340139 2024-Oct-31 09:00 01 33 26.08 +15 44 29.1 247.075282 50.238909 n.a. n.a. 1.002914717040 -0.4967659 0.01037648292864 0.1818426 167.9686 /T 11.9077 176.1/ 1.1391 n.a. n.a. 0.6016219 268.12679 67.461751 2024-Oct-31 09:10 01 33 25.69 +15 44 28.8 249.465095 48.396047 n.a. n.a. 1.002912724679 -0.4967446 0.01037723654331 0.1938757 167.9608 /T 11.9154 176.2/ 1.1213 n.a. n.a. 0.5222730 264.83748 71.328662 2024-Oct-31 09:20 01 33 25.36 +15 44 28.2 251.718586 46.525099 n.a. n.a. 1.002910732404 -0.4967233 0.01037803754723 0.2054695 167.9533 /T 11.9229 176.2/ 1.1037 n.a. n.a. 0.4408709 260.42664 74.934329 2024-Oct-31 09:30 01 33 25.09 +15 44 27.3 253.852451 44.630457 n.a. n.a. 1.002908740214 -0.4967020 0.01037888413414 0.2166020 167.9460 /T 11.9300 176.2/ 1.0864 n.a. n.a. 0.3590020 254.05958 78.253183 2024-Oct-31 09:40 01 33 24.89 +15 44 26.2 255.881429 42.715921 n.a. n.a. 1.002906748110 -0.4966806 0.01037977441092 0.2272520 167.9390 /T 11.9370 176.3/ 1.0693 n.a. n.a. 0.2800704 244.00143 81.209783 2024-Oct-31 09:50 01 33 24.74 +15 44 24.8 257.818528 40.784801 n.a. n.a. 1.002904756091 -0.4966593 0.01038070640121 0.2373991 167.9323 /T 11.9436 176.3/ 1.0526 n.a. n.a. 0.2124344 226.66181 83.593312 2024-Oct-31 10:00 01 33 24.67 +15 44 23.3 259.675249 38.840002 n.a. n.a. 1.002902764158 -0.4966380 0.01038167804934 0.2470242 167.9258 /T 11.9500 176.3/ 1.0362 n.a. n.a. 0.1760275 197.76954 84.889903 2024-Oct-31 10:10 01 33 24.67 +15 44 21.5 261.461782 36.884090 n.a. n.a. 1.002900772311 -0.4966166 0.01038268722433 0.2561089 167.9196 /T 11.9561 176.4/ 1.0200 n.a. n.a. 0.1948711 165.00174 84.545062 2024-Oct-31 10:20 01 33 24.74 +15 44 19.5 263.187186 34.919356 n.a. n.a. 1.002898780549 -0.4965952 0.01038373172406 0.2646361 167.9138 /T 11.9619 176.4/ 1.0042 n.a. n.a. 0.2607056 142.76545 82.951023 2024-Oct-31 10:30 01 33 24.89 +15 44 17.4 264.859543 32.947859 n.a. n.a. 1.002896788873 -0.4965739 0.01038480927953 0.2725896 167.9082 /T 11.9674 176.4/ 0.9886 n.a. n.a. 0.3503223 130.08692 80.835689 2024-Oct-31 10:40 01 33 25.12 +15 44 15.0 266.486102 30.971468 n.a. n.a. 1.002894797283 -0.4965525 0.01038591755934 0.2799543 167.9029 /T 11.9726 176.4/ 0.9734 n.a. n.a. 0.4515362 122.44943 78.553191 2024-Oct-31 10:50 01 33 25.42 +15 44 12.5 268.073391 28.991900 n.a. n.a. 1.002892805779 -0.4965311 0.01038705417413 0.2867166 167.8980 /T 11.9775 176.4/ 0.9584 n.a. n.a. 0.5594077 117.41702 76.235398 2024-Oct-31 11:00 01 33 25.80 +15 44 09.9 269.627330 27.010742 n.a. n.a. 1.002890814361 -0.4965097 0.01038821668132 0.2928635 167.8934 /T 11.9820 176.4/ 0.9438 n.a. n.a. 0.6717254 113.83993 73.933055 2024-Oct-31 11:10 01 33 26.27 +15 44 07.1 271.153310 25.029482 n.a. n.a. 1.002888823028 -0.4964883 0.01038940258971 0.2983837 167.8891 /T 11.9862 176.5/ 0.9295 n.a. n.a. 0.7873243 111.14320 71.666563 2024-Oct-31 11:20 01 33 26.82 +15 44 04.2 272.656279 23.049528 n.a. n.a. 1.002886831782 -0.4964669 0.01039060936445 0.3032669 167.8852 /T 11.9901 176.5/ 0.9155 n.a. n.a. 0.9054862 109.01545 69.443798 2024-Oct-31 11:30 01 33 27.46 +15 44 01.2 274.140804 21.072223 n.a. n.a. 1.002884840621 -0.4964454 0.01039183443180 0.3075039 167.8816 /T 11.9936 176.5/ 0.9018 n.a. n.a. 1.0257046 107.27559 67.267017 2024-Oct-31 11:40 01 33 28.18 +15 43 58.2 275.611134 19.098867 n.a. n.a. 1.002882849546 -0.4964240 0.01039307518422 0.3110870 167.8784 /T 11.9968 176.5/ 0.8884 n.a. n.a. 1.1475817 105.81177 65.135822 2024-Oct-31 11:50 01 33 28.99 +15 43 55.0 277.071243 17.130730 n.a. n.a. 1.002880858558 -0.4964025 0.01039432898530 0.3140097 167.8755 /T 11.9997 176.5/ 0.8752 n.a. n.a. 1.2707801 104.55142 63.048548 2024-Oct-31 12:00 01 33 29.88 +15 43 51.8 278.524883 15.169059 n.a. n.a. 1.002878867655 -0.4963811 0.01039559317488 0.3162665 167.8730 /T 12.0022 176.5/ 0.8624 n.a. n.a. 1.3949970 103.44547 61.002945 2024-Oct-31 12:10 01 33 30.87 +15 43 48.5 279.975615 13.215099 n.a. n.a. 1.002876876839 -0.4963596 0.01039686507411 0.3178535 167.8708 /T 12.0043 176.5/ 0.8500 n.a. n.a. 1.5199515 102.45956 58.996537 2024-Oct-31 12:20 01 33 31.94 +15 43 45.3 281.426849 11.270096 n.a. n.a. 1.002874886109 -0.4963381 0.01039814199067 0.3187680 167.8690 /T 12.0061 176.5/ 0.8378 n.a. n.a. 1.6453762 101.56890 57.026807 2024-Oct-31 12:30 01 33 33.10 +15 43 42.0 282.881869 9.335314 n.a. n.a. 1.002872895465 -0.4963166 0.01039942122380 0.3190085 167.8675 /T 12.0075 176.5/ 0.8258 n.a. n.a. 1.7710135 100.75518 55.091302 2024-Oct-31 12:40 A 01 33 34.35 +15 43 38.7 284.343862 7.412038 n.a. n.a. 1.002870904907 -0.4962951 0.01040070006956 0.3185749 167.8664 /T 12.0086 176.5/ 0.8142 n.a. n.a. 1.8966123 100.00450 53.187680 2024-Oct-31 12:50 A 01 33 35.69 +15 43 35.4 285.815940 5.501589 n.a. n.a. 1.002868914436 -0.4962736 0.01040197582592 0.3174683 167.8656 /T 12.0093 176.5/ 0.8029 n.a. n.a. 2.0219266 99.306196 51.313738 2024-Oct-31 13:00 A 01 33 37.12 +15 43 32.2 287.301159 3.605330 n.a. n.a. 1.002866924051 -0.4962521 0.01040324579797 0.3156911 167.8652 /T 12.0097 176.5/ 0.7919 n.a. n.a. 2.1467151 98.651848 49.467418 2024-Oct-31 13:10 Nm 01 33 38.63 +15 43 29.0 288.802541 1.724677 n.a. n.a. 1.002864933752 -0.4962305 0.01040450730298 0.3132469 167.8652 /T 12.0097 176.5/ 0.7811 n.a. n.a. 2.2707402 98.034763 47.646808 2024-Oct-31 13:20 Nm 01 33 40.23 +15 43 25.9 290.323082 -0.138895 n.a. n.a. 1.002862943539 -0.4962090 0.01040575767552 0.3101408 167.8655 /T 12.0094 176.5/ 0.7707 n.a. n.a. 2.3937678 97.449524 45.850141 >..... Elevation Cut-off Requested .....< >..... Daylight Cut-off Requested .....< $$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. SOLAR PRESENCE (OBSERVING SITE) Time tag is followed by a blank, then a solar-presence condition code: '*' Daylight (refracted solar upper-limb on or above apparent horizon) 'C' Civil twilight/dawn 'N' Nautical twilight/dawn 'A' Astronomical twilight/dawn ' ' Night OR geocentric ephemeris LUNAR PRESENCE WITH TARGET RISE/TRANSIT/SET EVENT MARKER (OBSERVING SITE) The solar-presence code column is immediately followed by another marker: 'm' Refracted upper-limb of Moon on or above apparent horizon ' ' Refracted upper-limb of Moon below apparent horizon OR geocentric The lunar presence marker (an ongoing state) can be over-ridden by a target event marker if an event has occurred since the last output step: 'r' Rise (target body on or went above cut-off RTS elevation) 'e' Elevation max (target body maximum elevation angle has occurred) 't' Transit (target body at or passed through observer meridian) 's' Set (target body on or went below cut-off RTS elevation) RTS MARKERS (TVH) Rise and set are with respect to the reference ellipsoid true visual horizon defined by the elevation cut-off angle. Horizon dip and yellow-light refraction (Earth only) are considered. Accuracy is < or = to twice the requested search step-size. 'R.A._____(ICRF)_____DEC' = Astrometric right ascension and declination of the target center with respect to the observing site (coordinate origin) in the reference frame of the planetary ephemeris (ICRF). Compensated for down-leg light-time delay aberration. Units: RA in hours-minutes-seconds of time, HH MM SS.ff{ffff} DEC in degrees-minutes-seconds of arc, sDD MN SC.f{ffff} 'Azi____(a-app)___Elev' = Airless apparent azimuth and elevation of target center. Compensated for light-time, the gravitational deflection of light, stellar aberration, precession and nutation. Azimuth is measured clockwise from north: North(0) -> East(90) -> South(180) -> West(270) -> North (360) Elevation angle is with respect to a plane perpendicular to the reference surface local zenith direction. TOPOCENTRIC ONLY. Units: DEGREES 'APmag S-brt' = The targets' approximate apparent visual magnitude and surface brightness. For planets and natural satellites, output is restricted to solar phase angles covered by observational data. Outside the observed phase angle range, "n.a." may be output to avoid extrapolation beyond the limit of model validity. For Earth-based observers, the estimated dimming due to atmospheric absorption (extinction) is available as a separate, requestable quantity. Surface brightness is the average airless visual magnitude of a square-arcsecond of the illuminated portion of the apparent disk. It is computed only if the target radius is known. Units: MAGNITUDES & MAGNITUDES PER SQUARE ARCSECOND '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 'delta deldot' = Apparent range ("delta", light-time aberrated) and range-rate ("delta-dot") of the target center relative to the observer. A positive "deldot" means the target center is moving away from the observer, negative indicates movement toward the observer. Units: AU and KM/S 'S-O-T /r' = Sun-Observer-Target apparent SOLAR ELONGATION ANGLE seen from the observers' location at print-time. The '/r' column provides a code indicating the targets' apparent position relative to the Sun in the observers' sky, as described below: Case A: For an observing location on the surface of a rotating body, that body rotational sense is considered: /T indicates target TRAILS Sun (evening sky: rises and sets AFTER Sun) /L indicates target LEADS Sun (morning sky: rises and sets BEFORE Sun) Case B: For an observing point that does not have a rotational model (such as a spacecraft), the "leading" and "trailing" condition is defined by the observers' heliocentric ORBITAL motion: * If continuing in the observers' current direction of heliocentric motion would encounter the targets' apparent longitude first, followed by the Sun's, the target LEADS the Sun as seen by the observer. * If the Sun's apparent longitude would be encountered first, followed by the targets', the target TRAILS the Sun. Two other codes can be output: /* indicates observer is Sun-centered (undefined) /? Target is aligned with Sun center (no lead or trail) The S-O-T solar elongation angle is numerically the minimum separation angle of the Sun and target in the sky in any direction. It does NOT indicate the amount of separation in the leading or trailing directions, which would be defined along the equator of a spherical coordinate system. Units: DEGREES 'S-T-O' = The Sun-Target-Observer angle; the interior vertex angle at target center formed by a vector from the target to the apparent center of the Sun (at reflection time on the target) and the apparent vector from target to the observer at print-time. Slightly different from true PHASE ANGLE (requestable separately) at the few arcsecond level in that it includes stellar aberration on the down-leg from target to observer. Units: DEGREES 'T-O-M/MN_Illu%' = Target-Observer-Moon LUNAR ELONGATION angle and illuminated percentage. The apparent lunar elongation angle between target body center and Moon center, seen from the observing site, along with fraction of the lunar disk illuminated by the Sun. A negative lunar elongation angle indicates the target center is behind the Moon. Units: DEGREES & PERCENT 'RA_3sigma DEC_3sigma' = Uncertainty in Right-Ascension and Declination. Output values are the formal +/- 3 standard-deviations (sigmas) around nominal position. Units: ARCSECONDS 'Sky_motion Sky_mot_PA RelVel-ANG' = Total apparent angular rate of the target in the plane-of-sky. "Sky_mot_PA" is the position angle of the target's direction of motion in the plane-of-sky, measured counter-clockwise from the apparent of-date north pole direction. "RelVel-ANG" is the flight path angle of the target's relative motion with respect to the observer's line-of-sight, in the range [-90,+90], where positive values indicate motion away from the observer, negative values are toward the observer: -90 = target is moving directly toward the observer 0 = target is moving at right angles to the observer's line-of-sight +90 = target is moving directly away from the observer UNITS: ARCSECONDS/MINUTE, DEGREES, DEGREES 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 ***************************************************************************************************************************************************************************************************************************************************