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
2021-12-09 10:53:55 S 11 04 08.880 +09 41 46.10 V C57
2021-12-09 10:53:55 s 1 +18713.650 0 +388364.86 8920.0 C57
2021-12-09 11:03:54 S 11 04 11.438 +09 41 24.90 V C57
2021-12-09 11:03:54 s 1 +18365.282 0 +388408.38 8370.0 C57
2021-12-09 11:23:54 S 11 04 20.554 +09 40 59.05 V C57
2021-12-09 11:23:54 s 1 +17668.395 0 +388492.61 7280.0 C57
2021-12-09 12:23:55 S 11 04 46.764 +09 39 18.76 V C57
2021-12-09 12:23:55 s 1 +15576.601 0 +388722.80 3880.0 C57
2021-12-09 13:13:54 S 11 05 08.040 +09 38 21.44 V C57
2021-12-09 13:13:54 s 1 +13832.371 0 +388888.73 9850.0 C57
2021-12-09 13:23:54 S 11 05 12.607 +09 37 49.62 V C57
2021-12-09 13:23:54 s 1 +13483.379 0 +388919.13 9050.0 C57
2021-12-09 13:43:54 S 11 05 20.926 +09 37 29.46 V C57
2021-12-09 13:43:54 s 1 +12785.281 0 +388977.13 7320.0 C57
2021-12-09 13:53:55 S 11 05 25.903 +09 37 08.62 V C57
2021-12-09 13:53:55 s 1 +12436.178 0 +389004.72 6380.0 C57
2021-12-09 15:03:55 S 11 05 56.218 +09 35 12.62 V C57
2021-12-09 15:13:54 S 11 06 00.053 +09 35 00.78 V C57
2021-12-09 15:26:11 C 11 04 10.97 +09 34 06.7 V T08
2021-12-09 15:32:00 C 11 04 13.43 +09 33 57.9 V T08
2021-12-09 15:33:54 S 11 06 08.993 +09 34 28.13 V C57
2021-12-09 15:39:11 C 11 04 16.50 +09 33 47.2 V T08
2021-12-09 15:48:42 C 11 04 20.58 +09 33 33.3 V T08
2021-12-09 16:03:54 S 11 06 21.701 +09 33 37.48 V C57
2021-12-09 16:23:54 S 11 06 31.030 +09 33 09.94 V C57
2021-12-09 16:33:55 S 11 06 35.714 +09 32 55.36 V C57
2021-12-09 17:03:54 S 11 06 48.362 +09 32 12.77 V C57
2021-12-09 17:13:54 S 11 06 52.337 +09 31 51.20 V C57
2021-12-09 17:23:54 S 11 06 56.846 +09 31 36.23 V C57
2021-12-09 17:33:54 S 11 07 01.308 +09 31 14.23 V C57
2021-12-09 17:53:54 S 11 07 10.481 +09 30 49.03 V C57
2021-12-09 18:13:54 S 11 07 18.302 +09 30 26.39 V C57
2021-12-09 18:33:54 S 11 07 27.900 +09 29 47.69 V C57
2021-12-09 18:43:54 S 11 07 31.320 +09 29 39.70 V C57
2021-12-09 18:53:54 S 11 07 35.971 +09 29 23.78 V C57
2021-12-09 19:23:54 S 11 07 50.155 +09 28 28.60 V C57
2021-12-09 19:33:55 S 11 07 54.516 +09 28 07.50 V C57
2021-12-09 19:43:54 S 11 07 58.850 +09 28 00.37 V C57
2021-12-09 19:53:54 S 11 08 02.551 +09 27 50.90 V C57
2021-12-09 20:23:54 S 11 08 15.240 +09 26 56.29 V C57
2021-12-09 20:33:54 S 11 08 20.806 +09 26 44.77 V C57
2021-12-09 20:53:54 S 11 08 28.982 +09 26 13.42 V C57
2021-12-09 21:23:54 S 11 08 41.160 +09 25 28.20 V C57
2021-12-09 21:33:54 S 11 08 45.209 +09 25 12.04 V C57
2021-12-09 22:03:54 S 11 08 58.738 +09 24 36.72 V C57
2021-12-09 22:13:54 S 11 09 03.221 +09 24 15.80 V C57
2021-12-09 22:23:54 S 11 09 08.167 +09 23 47.80 V C57
2021-12-09 22:43:54 S 11 09 16.776 +09 23 22.56 V C57
2021-12-09 22:53:54 S 11 09 20.652 +09 23 06.54 V C57
2021-12-09 23:03:54 S 11 09 25.318 +09 22 45.95 V C57