API VERSION: 1.2 API SOURCE: NASA/JPL Horizons API ******************************************************************************* Revised: Oct 31, 2024 Euclid Observatory (spacecraft) -680 https://www.esa.int/Science_Exploration/Space_Science/Euclid BACKGROUND: Euclid was built and operated by the European Space Agency with contributions from NASA. It launched July 01, 2023 @ 15:12 UTC on a SpaceX Falcon 9 from Cape Canaveral, Florida, USA. After a one-month transit, its operational orbit will halo around the Earth-Sun Lagrange point 2 (L2), at an average distance of 1.5 million km from Earth. This location keeps pace with Earth as it orbits the Sun (and also hosts ESA's Gaia and NASA's James Webb space telescopes, among others). Nominal mission lifetime is six years, with the possibility of extension (limited by the amount of cold gas used for propulsion). MISSION: Euclid is a cosmology survey mission, optimised to determine the properties of dark energy and dark matter on universal scales to address key questions: - What is the structure and history of the cosmic web? - What is the nature of dark matter? - How has the expansion of the Universe changed over time? - What is the nature of dark energy? - Is our understanding of gravity complete? In addition, Euclid will perform near-infrared spectroscopy of hundreds of millions of galaxies and stars. This will allow investigation of the chemical and kinematical properties of many targets in detail. Euclid's image quality will be at least four times sharper than that achieved by ground-based sky surveys. SPACECRAFT: 4.7m tall, 3.7 m diameter Two major components: service and payload modules Service module 850 kg Payload module 800 kg Propellant 210 kg Balancing mass 40 kg Service module contains: electric power generation and distribution attitude control data processing electronics propulsion telecommand and telemetry thermal control SCIENCE INSTRUMENTS (payload module): - 1.2-m diameter telescope - Visible-wavelength camera (the VISible instrument, VIS) - Near-Infrared Spectrometer and Photometer, NISP). SPACECRAFT TRAJECTORY From ESA 2024-Oct-30, predicts thereafter Trajectory name Start Stop -------------------------------------------- ----------- ----------- euclid_flp_00060_20230701_20310907_v01 2023-Jul-01 2031-Sep-07 ******************************************************************************* ******************************************************************************* Ephemeris / API_USER Mon Nov 4 02:45:00 2024 Pasadena, USA / Horizons ******************************************************************************* Target body name: Euclid (spacecraft) (-680) {source: Euclid_current} Center body name: Earth (399) {source: DE441} 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: DE441} Rel. light bend : Sun {source: DE441} 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 >..... Elevation Cut-off Requested .....< 2024-Oct-31 02:20 03 50 55.60 +08 55 37.1 78.683055 0.123109 n.a. n.a. 1.000732784354 -0.4274913 0.00855953595384 -0.2707624 157.5629 /L 22.2501 142.1/ 1.9851 n.a. n.a. 5.5877759 61.252276 -25.09067 2024-Oct-31 02:30 03 50 58.85 +08 56 04.1 80.196430 2.066006 n.a. n.a. 1.000731069878 -0.4274477 0.00855844680400 -0.2722563 157.5581 /L 22.2550 142.2/ 1.9637 n.a. n.a. 5.4546602 60.446292 -25.75143 2024-Oct-31 02:40 03 51 01.99 +08 56 31.1 81.700445 4.018050 n.a. n.a. 1.000729355577 -0.4274042 0.00855735303209 -0.2730669 157.5537 /L 22.2594 142.3/ 1.9422 n.a. n.a. 5.3216536 59.606701 -26.37994 2024-Oct-31 02:50 03 51 05.03 +08 56 58.1 83.198509 5.977867 n.a. n.a. 1.000727641451 -0.4273606 0.00855625738312 -0.2731922 157.5496 /L 22.2634 142.4/ 1.9205 n.a. n.a. 5.1890600 58.732534 -26.97347 2024-Oct-31 03:00 03 51 07.97 +08 57 25.1 84.694062 7.944103 n.a. n.a. 1.000725927499 -0.4273170 0.00855516260725 -0.2726315 157.5460 /L 22.2670 142.5/ 1.8987 n.a. n.a. 5.0571820 57.822898 -27.52906 2024-Oct-31 03:10 03 51 10.80 +08 57 52.1 86.190606 9.915424 n.a. n.a. 1.000724213722 -0.4272734 0.00855407145460 -0.2713856 157.5428 /L 22.2702 142.5/ 1.8768 n.a. n.a. 4.9263199 56.877010 -28.04344 2024-Oct-31 03:20 03 51 13.53 +08 58 19.1 87.691723 11.890498 n.a. n.a. 1.000722500120 -0.4272298 0.00855298667006 -0.2694563 157.5401 /L 22.2730 142.6/ 1.8549 n.a. n.a. 4.7967704 55.894221 -28.51306 2024-Oct-31 03:30 03 51 16.16 +08 58 46.1 89.201110 13.867986 n.a. n.a. 1.000720786693 -0.4271862 0.00855191098802 -0.2668470 157.5377 /L 22.2753 142.7/ 1.8328 n.a. n.a. 4.6688251 54.874057 -28.93404 2024-Oct-31 03:40 03 51 18.68 +08 59 13.0 90.722601 15.846529 n.a. n.a. 1.000719073441 -0.4271425 0.00855084712718 -0.2635623 157.5358 /L 22.2773 142.8/ 1.8107 n.a. n.a. 4.5427692 53.816257 -29.30214 2024-Oct-31 03:50 03 51 21.10 +08 59 39.9 92.260205 17.824734 n.a. n.a. 1.000717360365 -0.4270989 0.00854979778538 -0.2596078 157.5342 /L 22.2788 142.9/ 1.7885 n.a. n.a. 4.4188794 52.720815 -29.61271 2024-Oct-31 04:00 03 51 23.42 +09 00 06.7 93.818138 19.801162 n.a. n.a. 1.000715647463 -0.4270552 0.00854876563441 -0.2549909 157.5330 /L 22.2800 143.0/ 1.7663 n.a. n.a. 4.2974225 51.588033 -29.86071 2024-Oct-31 04:10 03 51 25.64 +09 00 33.4 95.400865 21.774311 n.a. n.a. 1.000713934736 -0.4270116 0.00854775331493 -0.2497199 157.5323 /L 22.2808 143.1/ 1.7440 n.a. n.a. 4.1786533 50.418570 -30.04063 2024-Oct-31 04:20 03 51 27.76 +09 01 00.1 97.013138 23.742601 n.a. n.a. 1.000712222184 -0.4269679 0.00854676343133 -0.2438044 157.5319 /L 22.2812 143.2/ 1.7217 n.a. n.a. 4.0628125 49.213499 -30.14646 2024-Oct-31 04:30 03 51 29.79 +09 01 26.6 98.660046 25.704351 n.a. n.a. 1.000710509808 -0.4269242 0.00854579854681 -0.2372554 157.5319 /L 22.2812 143.2/ 1.6995 n.a. n.a. 3.9501250 47.974360 -30.17169 2024-Oct-31 04:40 03 51 31.72 +09 01 53.1 100.347066 27.657763 n.a. n.a. 1.000708797607 -0.4268805 0.00854486117838 -0.2300849 157.5323 /L 22.2808 143.3/ 1.6772 n.a. n.a. 3.8407971 46.703223 -30.10923 2024-Oct-31 04:50 03 51 33.55 +09 02 19.4 102.080117 29.600895 n.a. n.a. 1.000707085582 -0.4268368 0.00854395379199 -0.2223064 157.5330 /L 22.2801 143.4/ 1.6549 n.a. n.a. 3.7350148 45.402738 -29.95142 2024-Oct-31 05:00 03 51 35.30 +09 02 45.6 103.865623 31.531636 n.a. n.a. 1.000705373731 -0.4267931 0.00854307879781 -0.2139342 157.5341 /L 22.2791 143.5/ 1.6327 n.a. n.a. 3.6329417 44.076185 -29.68999 2024-Oct-31 05:10 03 51 36.96 +09 03 11.7 105.710574 33.447672 n.a. n.a. 1.000703662057 -0.4267493 0.00854223854554 -0.2049841 157.5355 /L 22.2777 143.6/ 1.6106 n.a. n.a. 3.5347165 42.727524 -29.31602 2024-Oct-31 05:20 03 51 38.53 +09 03 37.6 107.622600 35.346454 n.a. n.a. 1.000701950557 -0.4267056 0.00854143531982 -0.1954729 157.5373 /L 22.2759 143.7/ 1.5885 n.a. n.a. 3.4404518 41.361423 -28.81999 2024-Oct-31 05:30 03 51 40.02 +09 04 03.4 109.610036 37.225157 n.a. n.a. 1.000700239233 -0.4266618 0.00854067133583 -0.1854183 157.5394 /L 22.2739 143.8/ 1.5664 n.a. n.a. 3.3502318 39.983283 -28.19174 2024-Oct-31 05:40 03 51 41.43 +09 04 29.1 111.681995 39.080632 n.a. n.a. 1.000698528085 -0.4266181 0.00853994873495 -0.1748394 157.5418 /L 22.2715 143.9/ 1.5445 n.a. n.a. 3.2641119 38.599245 -27.42055 2024-Oct-31 05:50 03 51 42.77 +09 04 54.5 113.848435 40.909356 n.a. n.a. 1.000696817113 -0.4265743 0.00853926958061 -0.1637560 157.5444 /L 22.2689 144.0/ 1.5226 n.a. n.a. 3.1821174 37.216178 -26.49518 2024-Oct-31 06:00 03 51 44.03 +09 05 19.8 116.120209 42.707372 n.a. n.a. 1.000695106316 -0.4265305 0.00853863585421 -0.1521891 157.5474 /L 22.2660 144.1/ 1.5008 n.a. n.a. 3.1042436 35.841653 -25.40404 2024-Oct-31 06:10 03 51 45.21 +09 05 44.9 118.509098 44.470224 n.a. n.a. 1.000693395694 -0.4264867 0.00853804945131 -0.1401606 157.5506 /L 22.2628 144.2/ 1.4792 n.a. n.a. 3.0304565 34.483889 -24.13538 2024-Oct-31 06:20 03 51 46.34 +09 06 09.9 121.027813 46.192881 n.a. n.a. 1.000691685249 -0.4264429 0.00853751217787 -0.1276933 157.5541 /L 22.2593 144.3/ 1.4577 n.a. n.a. 2.9606937 33.151695 -22.67756 2024-Oct-31 06:30 03 51 47.39 +09 06 34.6 123.689931 47.869663 n.a. n.a. 1.000689974979 -0.4263991 0.00853702574672 -0.1148108 157.5578 /L 22.2557 144.4/ 1.4363 n.a. n.a. 2.8948667 31.854375 -21.01949 2024-Oct-31 06:40 03 51 48.39 +09 06 59.1 126.509761 49.494160 n.a. n.a. 1.000688264886 -0.4263552 0.00853659177421 -0.1015376 157.5618 /L 22.2518 144.5/ 1.4151 n.a. n.a. 2.8328639 30.601641 -19.15115 2024-Oct-31 06:50 03 51 49.34 +09 07 23.4 129.502084 51.059147 n.a. n.a. 1.000686554968 -0.4263114 0.00853621177702 -0.0878989 157.5659 /L 22.2477 144.6/ 1.3940 n.a. n.a. 2.7745536 29.403495 -17.06433 2024-Oct-31 07:00 03 51 50.23 +09 07 47.5 132.681744 52.556524 n.a. n.a. 1.000684845226 -0.4262675 0.00853588716918 -0.0739207 157.5702 /L 22.2434 144.7/ 1.3731 n.a. n.a. 2.7197894 28.270118 -14.75353 2024-Oct-31 07:10 03 51 51.07 +09 08 11.4 136.063022 53.977255 n.a. n.a. 1.000683135660 -0.4262237 0.00853561925927 -0.0596295 157.5748 /L 22.2389 144.8/ 1.3524 n.a. n.a. 2.6684141 27.211751 -12.21696 2024-Oct-31 07:20 03 51 51.87 +09 08 35.0 139.658761 55.311361 n.a. n.a. 1.000681426270 -0.4261798 0.00853540924790 -0.0450527 157.5794 /L 22.2343 144.9/ 1.3319 n.a. n.a. 2.6202662 26.238581 -9.457747 2024-Oct-31 07:30 03 51 52.63 +09 08 58.4 143.479196 56.547960 n.a. n.a. 1.000679717057 -0.4261359 0.00853525822523 -0.0302180 157.5842 /L 22.2295 145.0/ 1.3116 n.a. n.a. 2.5751853 25.360624 -6.485044 2024-Oct-31 07:40 03 51 53.36 +09 09 21.6 147.530494 57.675389 n.a. n.a. 1.000678008019 -0.4260920 0.00853516716894 -0.0151537 157.5892 /L 22.2246 145.1/ 1.2915 n.a. n.a. 2.5330185 24.587625 -3.315060 2024-Oct-31 07:50 03 51 54.05 +09 09 44.5 151.813048 58.681435 n.a. n.a. 1.000676299158 -0.4260481 0.00853513694221 0.0001114 157.5942 /L 22.2196 145.2/ 1.2716 n.a. n.a. 2.4936267 23.928955 0.0283210 2024-Oct-31 08:00 03 51 54.72 +09 10 07.2 156.319688 59.553695 n.a. n.a. 1.000674590472 -0.4260041 0.00853516829207 0.0155482 157.5993 /L 22.2145 145.3/ 1.2519 n.a. n.a. 2.4568912 23.393520 3.5134872 2024-Oct-31 08:10 03 51 55.36 +09 10 29.7 161.034049 60.280076 n.a. n.a. 1.000672881964 -0.4259602 0.00853526184789 0.0311271 157.6045 /L 22.2094 145.4/ 1.2325 n.a. n.a. 2.4227193 22.989666 7.1018099 2024-Oct-31 08:20 03 51 55.99 +09 10 51.9 165.929485 60.849419 n.a. n.a. 1.000671173631 -0.4259163 0.00853541812014 0.0468183 157.6098 /L 22.2042 145.5/ 1.2133 n.a. n.a. 2.3910501 22.725083 10.749176 2024-Oct-31 08:30 03 51 56.60 +09 11 13.8 170.968902 61.252201 n.a. n.a. 1.000669465475 -0.4258723 0.00853563749942 0.0625920 157.6151 /L 22.1989 145.6/ 1.1944 n.a. n.a. 2.3618600 22.606709 14.408233 2024-Oct-31 08:40 03 51 57.21 +09 11 35.5 176.105865 61.481238 n.a. n.a. 1.000667757495 -0.4258283 0.00853592025562 0.0784178 157.6203 /L 22.1937 145.7/ 1.1757 n.a. n.a. 2.3351665 22.640609 18.031082 2024-Oct-31 08:50 t 03 51 57.81 +09 11 56.9 181.287072 61.532272 n.a. n.a. 1.000666049692 -0.4257844 0.00853626653746 0.0942656 157.6256 /L 22.1884 145.8/ 1.1573 n.a. n.a. 2.3110325 22.831842 21.572008 2024-Oct-31 09:00 03 51 58.42 +09 12 18.1 186.455957 61.404353 n.a. n.a. 1.000664342065 -0.4257404 0.00853667637214 0.1101050 157.6309 /L 22.1832 145.9/ 1.1391 n.a. n.a. 2.2895681 23.184305 24.989864 2024-Oct-31 09:10 03 51 59.03 +09 12 39.1 191.556883 61.099922 n.a. n.a. 1.000662634615 -0.4256964 0.00853714966532 0.1259058 157.6361 /L 22.1780 146.0/ 1.1213 n.a. n.a. 2.2709325 23.700554 28.249796 2024-Oct-31 09:20 03 51 59.65 +09 12 59.8 196.539155 60.624593 n.a. n.a. 1.000660927341 -0.4256523 0.00853768620131 0.1416376 157.6413 /L 22.1729 146.1/ 1.1037 n.a. n.a. 2.2553334 24.381596 31.324163 2024-Oct-31 09:30 03 52 00.28 +09 13 20.2 201.360186 59.986671 n.a. n.a. 1.000659220244 -0.4256083 0.00853828564351 0.1572706 157.6464 /L 22.1678 146.2/ 1.0864 n.a. n.a. 2.2430250 25.226675 34.192698 2024-Oct-31 09:40 03 52 00.93 +09 13 40.4 205.987383 59.196497 n.a. n.a. 1.000657513324 -0.4255643 0.00853894753503 0.1727746 157.6513 /L 22.1628 146.3/ 1.0693 n.a. n.a. 2.2343049 26.233048 36.842048 2024-Oct-31 09:50 03 52 01.61 +09 14 00.3 210.398668 58.265737 n.a. n.a. 1.000655806580 -0.4255202 0.00853967129969 0.1881203 157.6562 /L 22.1580 146.4/ 1.0526 n.a. n.a. 2.2295076 27.395780 39.264936 2024-Oct-31 10:00 03 52 02.32 +09 14 20.0 214.581860 57.206704 n.a. n.a. 1.000654100013 -0.4254762 0.00854045624307 0.2032781 157.6610 /L 22.1533 146.5/ 1.0362 n.a. n.a. 2.2289974 28.707578 41.459123 2024-Oct-31 10:10 03 52 03.05 +09 14 39.5 218.533307 56.031782 n.a. n.a. 1.000652393624 -0.4254321 0.00854130155396 0.2182193 157.6655 /L 22.1487 146.5/ 1.0200 n.a. n.a. 2.2331581 30.158692 43.426370 2024-Oct-31 10:20 03 52 03.83 +09 14 58.7 222.256139 54.752993 n.a. n.a. 1.000650687410 -0.4253880 0.00854220630592 0.2329152 157.6700 /L 22.1443 146.6/ 1.0042 n.a. n.a. 2.2423822 31.736912 45.171486 2024-Oct-31 10:30 03 52 04.64 +09 15 17.7 225.758497 53.381691 n.a. n.a. 1.000648981374 -0.4253439 0.00854316945916 0.2473379 157.6742 /L 22.1401 146.7/ 0.9886 n.a. n.a. 2.2570572 33.427692 46.701525 2024-Oct-31 10:40 03 52 05.50 +09 15 36.4 229.051920 51.928383 n.a. n.a. 1.000647275515 -0.4252998 0.00854418986257 0.2614599 157.6783 /L 22.1360 146.8/ 0.9734 n.a. n.a. 2.2775530 35.214408 48.025145 2024-Oct-31 10:50 03 52 06.41 +09 15 54.9 232.150004 50.402645 n.a. n.a. 1.000645569833 -0.4252557 0.00854526625602 0.2752544 157.6821 /L 22.1322 146.9/ 0.9584 n.a. n.a. 2.3042083 37.078753 49.152118 2024-Oct-31 11:00 03 52 07.38 +09 16 13.2 235.067373 48.813110 n.a. n.a. 1.000643864327 -0.4252116 0.00854639727280 0.2886950 157.6857 /L 22.1286 147.0/ 0.9438 n.a. n.a. 2.3373179 39.001260 50.092953 2024-Oct-31 11:10 03 52 08.40 +09 16 31.3 237.818907 47.167497 n.a. n.a. 1.000642158999 -0.4251675 0.00854758144241 0.3017562 157.6891 /L 22.1253 147.0/ 0.9295 n.a. n.a. 2.3771222 40.961917 50.858618 2024-Oct-31 11:20 03 52 09.48 +09 16 49.2 240.419226 45.472673 n.a. n.a. 1.000640453848 -0.4251233 0.00854881719338 0.3144132 157.6922 /L 22.1222 147.1/ 0.9155 n.a. n.a. 2.4237992 42.940819 51.460317 2024-Oct-31 11:30 03 52 10.62 +09 17 06.9 242.882348 43.734726 n.a. n.a. 1.000638748874 -0.4250791 0.00855010285639 0.3266422 157.6950 /L 22.1193 147.2/ 0.9018 n.a. n.a. 2.4774588 44.918811 51.909316 2024-Oct-31 11:40 03 52 11.84 +09 17 24.4 245.221488 41.959052 n.a. n.a. 1.000637044078 -0.4250350 0.00855143666756 0.3384198 157.6975 /L 22.1168 147.3/ 0.8884 n.a. n.a. 2.5381411 46.878068 52.216791 2024-Oct-31 11:50 03 52 13.12 +09 17 41.7 247.448957 40.150428 n.a. n.a. 1.000635339458 -0.4249908 0.00855281677194 0.3497238 157.6997 /L 22.1146 147.4/ 0.8752 n.a. n.a. 2.6058168 48.802567 52.393703 2024-Oct-31 12:00 03 52 14.48 +09 17 58.8 249.576136 38.313093 n.a. n.a. 1.000633635016 -0.4249466 0.00855424122709 0.3605329 157.7017 /L 22.1126 147.4/ 0.8624 n.a. n.a. 2.6803906 50.678416 52.450681 2024-Oct-31 12:10 03 52 15.92 +09 18 15.7 251.613485 36.450814 n.a. n.a. 1.000631930751 -0.4249024 0.00855570800694 0.3708268 157.7033 /L 22.1110 147.5/ 0.8500 n.a. n.a. 2.7617067 52.494045 52.397928 2024-Oct-31 12:20 03 52 17.44 +09 18 32.5 253.570591 34.566953 n.a. n.a. 1.000630226664 -0.4248582 0.00855721500572 0.3805860 157.7045 /L 22.1097 147.6/ 0.8378 n.a. n.a. 2.8495556 54.240254 52.245147 2024-Oct-31 12:30 03 52 19.04 +09 18 49.1 255.456225 32.664520 n.a. n.a. 1.000628522754 -0.4248140 0.00855876004211 0.3897923 157.7054 /L 22.1088 147.6/ 0.8258 n.a. n.a. 2.9436819 55.910139 52.001478 2024-Oct-31 12:40 A 03 52 20.73 +09 19 05.6 257.278411 30.746223 n.a. n.a. 1.000626819021 -0.4247697 0.00856034086345 0.3984283 157.7060 /L 22.1082 147.7/ 0.8142 n.a. n.a. 3.0437916 57.498930 51.675459 2024-Oct-31 12:50 A 03 52 22.51 +09 19 21.9 259.044496 28.814516 n.a. n.a. 1.000625115466 -0.4247255 0.00856195515018 0.4064780 157.7062 /L 22.1080 147.8/ 0.8029 n.a. n.a. 3.1495597 59.003761 51.275006 2024-Oct-31 13:00 A 03 52 24.37 +09 19 38.2 260.761222 26.871628 n.a. n.a. 1.000623412089 -0.4246812 0.00856360052027 0.4139264 157.7060 /L 22.1081 147.8/ 0.7919 n.a. n.a. 3.2606375 60.423410 50.807409 2024-Oct-31 13:10 Nm 03 52 26.33 +09 19 54.2 262.434787 24.919606 n.a. n.a. 1.000621708889 -0.4246369 0.00856527453394 0.4207597 157.7054 /L 22.1087 147.9/ 0.7811 n.a. n.a. 3.3766585 61.758022 50.279340 2024-Oct-31 13:20 Nm 03 52 28.39 +09 20 10.2 264.070919 22.960337 n.a. n.a. 1.000620005866 -0.4245926 0.00856697469831 0.4269651 157.7045 /L 22.1096 147.9/ 0.7707 n.a. n.a. 3.4972433 63.008849 49.696874 2024-Oct-31 13:30 Nm 03 52 30.54 +09 20 26.1 265.674922 20.995578 n.a. n.a. 1.000618303022 -0.4245484 0.00856869847223 0.4325314 157.7031 /L 22.1109 148.0/ 0.7605 n.a. n.a. 3.6220049 64.177998 49.065516 2024-Oct-31 13:40 Cm 03 52 32.79 +09 20 41.9 267.251738 19.026976 n.a. n.a. 1.000616600355 -0.4245040 0.00857044327124 0.4374482 157.7014 /L 22.1126 148.1/ 0.7506 n.a. n.a. 3.7505515 65.268215 48.390241 2024-Oct-31 13:50 Cm 03 52 35.14 +09 20 57.6 268.805993 17.056090 n.a. n.a. 1.000614897866 -0.4244597 0.00857220647246 0.4417067 157.6993 /L 22.1147 148.1/ 0.7409 n.a. n.a. 3.8824898 66.282699 47.675527 >..... Daylight Cut-off Requested .....< >..... Elevation 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 ***************************************************************************************************************************************************************************************************************************************************