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
2021-12-13 10:43:54 s 1 -159193.34 3 +252304.15 160.0 C57
2021-12-13 10:51:36 C 11 46 43.87 +06 58 57.6 V 703
2021-12-13 10:59:23 C 11 46 47.73 +06 58 43.8 V 703
2021-12-13 11:03:54 S 11 48 08.359 +06 54 41.90 V C57
2021-12-13 11:03:54 s 1 -159586.44 6 +251209.47 5790.0 C57
2021-12-13 11:07:09 C 11 46 51.53 +06 58 29.9 V 703
2021-12-13 11:23:54 S 11 48 17.686 +06 54 01.33 V C57
2021-12-13 11:23:54 s 1 -159976.36 8 +250109.79 6970.0 C57
2021-12-13 11:33:54 S 11 48 22.224 +06 53 31.42 V C57
2021-12-13 11:33:54 s 1 -160170.12 6 +249558.07 7100.0 C57
2021-12-13 12:53:54 S 11 49 00.043 +06 51 09.72 V C57
2021-12-13 12:53:54 s 1 -161690.89 0 +245098.97 5380.0 C57
2021-12-13 13:13:54 S 11 49 09.905 +06 50 34.30 V C57
2021-12-13 13:13:54 s 1 -162064.20 2 +243974.54 2670.0 C57
2021-12-13 13:23:54 S 11 49 15.211 +06 50 07.58 V C57
2021-12-13 13:23:54 s 1 -162248.89 2 +243408.92 1730.0 C57
2021-12-13 13:33:54 S 11 49 18.797 +06 49 48.43 V C57
2021-12-13 13:33:54 s 1 -162432.73 5 +242842.03 6960.0 C57
2021-12-13 13:43:54 S 11 49 25.202 +06 49 28.92 V C57
2021-12-13 13:43:54 s 1 -162615.72 6 +242273.87 8330.0 C57
2021-12-13 14:13:54 S 11 49 39.228 +06 48 31.10 V C57
2021-12-13 14:13:54 s 1 -163159.55 1 +240561.74 9200.0 C57
2021-12-13 15:23:54 S 11 50 12.386 +06 46 24.38 V C57
2021-12-13 15:23:54 s 1 -164397.94 0 +236521.92 6680.0 C57
2021-12-13 15:43:54 S 11 50 22.759 +06 45 36.50 V C57
2021-12-13 15:43:54 s 1 -164743.76 7 +235356.11 8460.0 C57
2021-12-13 16:13:54 S 11 50 36.322 +06 44 34.73 V C57
2021-12-13 16:13:54 s 1 -165255.71 7 +233597.71 5540.0 C57
2021-12-13 16:23:54 S 11 50 40.332 +06 44 19.46 V C57
2021-12-13 16:23:54 s 1 -165424.54 0 +233008.98 3010.0 C57
2021-12-13 16:53:54 S 11 50 55.438 +06 43 13.51 V C57
2021-12-13 16:53:54 s 1 -165925.46 5 +231235.01 460.0 C57
2021-12-13 17:13:54 S 11 51 05.306 +06 42 29.02 V C57
2021-12-13 17:13:54 s 1 -166254.75 3 +230045.86 7800.0 C57
2021-12-13 17:33:54 S 11 51 15.317 +06 42 02.52 V C57
2021-12-13 17:33:54 s 1 -166580.27 0 +228851.49 8190.0 C57
2021-12-13 17:53:54 S 11 51 23.546 +06 41 23.06 V C57
2021-12-13 17:53:54 s 1 -166901.98 1 +227651.88 1480.0 C57
2021-12-13 18:13:54 S 11 51 33.953 +06 40 47.14 V C57
2021-12-13 18:13:54 s 1 -167219.85 0 +226447.04 7510.0 C57
2021-12-13 18:23:54 S 11 51 39.478 +06 40 20.21 V C57
2021-12-13 18:23:54 s 1 -167377.33 2 +225842.65 4020.0 C57
2021-12-13 18:33:54 S 11 51 42.864 +06 40 07.39 V C57
2021-12-13 18:33:54 s 1 -167533.84 0 +225236.94 6150.0 C57
2021-12-13 19:23:54 S 11 52 07.841 +06 38 24.18 V C57
2021-12-13 19:23:54 s 1 -168301.60 2 +222188.64 550.0 C57
2021-12-13 20:03:54 S 11 52 27.142 +06 37 12.22 V C57
2021-12-13 20:03:54 s 1 -168897.79 6 +219726.17 5370.0 C57
2021-12-13 20:23:54 S 11 52 36.487 +06 36 18.29 V C57
2021-12-13 20:23:54 s 1 -169189.78 2 +218486.97 5420.0 C57