170903 (2004 WS2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6030417176 ± 3.30e-08
Semi-major axis (a)1.3361479001 AU ± 6.38e-10
Inclination (i)8.26675841° ± 4.17e-06
Long. of Asc. Node (Ω)87.66363220° ± 1.02e-05
Arg. of Perihelion (ω)115.45701591° ± 1.08e-05
Mean Anomaly (M)163.19579838° ± 3.99e-06
Mean Motion (n)0.6381613179°/day ± 4.57e-10
Perihelion dist (q)0.53039498 AU ± 4.41e-08
Aphelion dist (Q)2.14190082 AU ± 4.41e-08
Orbital Period1.54447826 yr ± 1.11e-09
Physical Parameters
H (abs. magnitude)18.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.493″
Uncertainty0
Orbit TypeApollo
MOID0.029970 AU
Observations Used1190
Oppositions8
Arc Total2002-2025
First Observation Used2002-10-28
Last Observation Used2025-11-11
Observations (2130)
Date Type RA Dec Mag Band Observatory
2021-12-08 09:23:55 S 10 53 18.372 +10 18 36.90 V C57
2021-12-08 09:23:55 s 1 +70883.703 0 +370563.27 4600.0 C57
2021-12-08 09:53:25 C 10 51 41.30 +10 15 58.7 V 703
2021-12-08 09:53:54 S 10 53 30.410 +10 18 02.81 V C57
2021-12-08 09:53:54 s 1 +69892.847 0 +371127.82 7290.0 C57
2021-12-08 10:01:00 C 10 51 44.38 +10 15 48.6 V 703
2021-12-08 10:08:35 C 10 51 47.49 +10 15 38.7 V 703
2021-12-08 10:16:10 C 10 51 50.50 +10 15 28.4 V 703
2021-12-08 10:53:55 S 10 53 55.582 +10 16 42.85 V C57
2021-12-08 10:53:55 s 1 +67906.018 0 +372230.65 7200.0 C57
2021-12-08 11:03:55 S 10 53 59.700 +10 16 28.49 V C57
2021-12-08 11:03:55 s 1 +67574.228 0 +372411.06 6900.0 C57
2021-12-08 11:23:54 S 10 54 08.542 +10 15 53.35 V C57
2021-12-08 11:23:54 s 1 +66910.101 0 +372768.96 4660.0 C57
2021-12-08 11:33:55 S 10 54 12.403 +10 15 41.44 V C57
2021-12-08 11:33:55 s 1 +66577.765 0 +372946.46 2720.0 C57
2021-12-08 11:53:55 S 10 54 20.688 +10 15 10.48 V C57
2021-12-08 11:53:55 s 1 +65912.554 0 +373298.54 7250.0 C57
2021-12-08 12:23:55 S 10 54 33.048 +10 14 33.72 V C57
2021-12-08 12:23:55 s 1 +64913.403 0 +373819.40 5110.0 C57
2021-12-08 13:43:55 S 10 55 07.190 +10 12 31.64 V C57
2021-12-08 13:43:55 s 1 +62241.371 0 +375165.82 350.0 C57
2021-12-08 13:53:55 S 10 55 11.642 +10 12 26.03 V C57
2021-12-08 13:53:55 s 1 +61906.605 0 +375329.77 1290.0 C57
2021-12-08 14:03:54 S 10 55 15.974 +10 12 09.04 V C57
2021-12-08 14:03:54 s 1 +61571.672 0 +375492.77 1760.0 C57
2021-12-08 15:03:55 S 10 55 40.699 +10 10 41.20 V C57
2021-12-08 15:03:55 s 1 +59558.646 0 +376450.49 4710.0 C57
2021-12-08 15:23:55 S 10 55 48.835 +10 10 17.47 V C57
2021-12-08 15:23:55 s 1 +58886.354 0 +376762.04 8710.0 C57
2021-12-08 16:23:55 S 10 56 14.242 +10 08 51.18 V C57
2021-12-08 16:23:55 s 1 +56865.737 0 +377673.60 210.0 C57
2021-12-08 16:43:55 S 10 56 22.932 +10 08 13.34 V C57
2021-12-08 16:43:55 s 1 +56190.977 0 +377969.78 7320.0 C57
2021-12-08 16:53:55 S 10 56 27.221 +10 08 05.86 V C57
2021-12-08 16:53:55 s 1 +55853.372 0 +378116.43 250.0 C57
2021-12-08 17:03:54 S 10 56 31.334 +10 07 47.10 V C57
2021-12-08 17:03:54 s 1 +55515.619 0 +378262.12 2770.0 C57
2021-12-08 18:13:55 S 10 57 01.195 +10 06 02.70 V C57
2021-12-08 18:13:55 s 1 +53147.273 0 +379255.15 9370.0 C57
2021-12-08 18:53:54 S 10 57 17.160 +10 05 14.14 V C57
2021-12-08 18:53:54 s 1 +51790.815 0 +379801.55 4770.0 C57
2021-12-08 19:13:54 S 10 57 25.853 +10 04 46.16 V C57
2021-12-08 19:13:54 s 1 +51111.761 0 +380069.02 290.0 C57
2021-12-08 19:33:55 S 10 57 33.977 +10 04 18.77 V C57
2021-12-08 19:33:55 s 1 +50432.166 0 +380332.68 4390.0 C57
2021-12-08 19:43:54 S 10 57 38.947 +10 04 04.19 V C57
2021-12-08 19:43:54 s 1 +50092.169 0 +380463.07 920.0 C57
2021-12-08 22:03:55 S 10 58 37.793 +10 00 36.97 V C57
2021-12-08 22:03:55 s 1 +45318.746 0 +382188.59 8180.0 C57