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
2021-12-10 10:03:54 s 1 -29815.707 0 +385429.74 4920.0 C57
2021-12-10 10:13:54 S 11 14 21.754 +09 04 52.97 V C57
2021-12-10 10:13:54 s 1 -30162.833 0 +385342.90 850.0 C57
2021-12-10 10:33:54 S 11 14 30.766 +09 04 21.00 V C57
2021-12-10 10:33:54 s 1 -30856.876 0 +385166.38 1210.0 C57
2021-12-10 10:43:54 S 11 14 35.249 +09 04 19.49 V C57
2021-12-10 10:43:54 s 1 -31203.791 0 +385076.71 5640.0 C57
2021-12-10 10:53:54 S 11 14 40.202 +09 03 50.36 V C57
2021-12-10 10:53:54 s 1 -31550.633 0 +384986.09 9560.0 C57
2021-12-10 11:13:54 S 11 14 48.782 +09 03 26.32 V C57
2021-12-10 11:13:54 s 1 -32244.098 0 +384802.02 5860.0 C57
2021-12-10 11:23:54 S 11 14 52.829 +09 03 07.24 V C57
2021-12-10 11:23:54 s 1 -32590.719 0 +384708.57 8230.0 C57
2021-12-10 12:13:54 S 11 15 15.470 +09 01 38.71 V C57
2021-12-10 12:13:54 s 1 -34322.666 0 +384227.11 2170.0 C57
2021-12-10 12:23:54 S 11 15 20.654 +09 01 17.08 V C57
2021-12-10 12:23:54 s 1 -34668.818 0 +384127.98 1340.0 C57
2021-12-10 12:33:54 S 11 15 24.482 +09 01 09.88 V C57
2021-12-10 12:33:54 s 1 -35014.888 0 +384027.90 9970.0 C57
2021-12-10 12:53:54 S 11 15 32.594 +09 00 46.73 V C57
2021-12-10 12:53:54 s 1 -35706.783 0 +383824.90 5570.0 C57
2021-12-10 13:03:54 S 11 15 38.251 +09 00 19.37 V C57
2021-12-10 13:03:54 s 1 -36052.604 0 +383721.98 2540.0 C57
2021-12-10 13:13:54 S 11 15 41.726 +09 00 06.70 V C57
2021-12-10 13:13:54 s 1 -36398.341 0 +383618.12 8940.0 C57
2021-12-10 13:23:54 S 11 15 47.110 +08 59 44.88 V C57
2021-12-10 13:23:54 s 1 -36743.992 0 +383513.30 4780.0 C57
2021-12-10 13:43:54 S 11 15 56.047 +08 59 07.37 V C57
2021-12-10 13:43:54 s 1 -37435.033 0 +383300.83 4740.0 C57
2021-12-10 14:13:54 S 11 16 08.210 +08 58 22.84 V C57
2021-12-10 14:13:54 s 1 -38470.928 0 +382975.00 5350.0 C57
2021-12-10 14:23:54 S 11 16 13.680 +08 58 04.22 V C57
2021-12-10 14:23:54 s 1 -38816.046 0 +382864.50 7710.0 C57
2021-12-10 14:53:54 S 11 16 26.786 +08 57 14.18 V C57
2021-12-10 14:53:54 s 1 -39850.840 0 +382527.28 1220.0 C57
2021-12-10 15:03:54 S 11 16 30.478 +08 57 05.44 V C57
2021-12-10 15:03:54 s 1 -40195.583 0 +382412.97 1190.0 C57
2021-12-10 15:23:54 S 11 16 40.159 +08 56 26.05 V C57
2021-12-10 15:23:54 s 1 -40884.781 0 +382181.51 9290.0 C57
2021-12-10 16:03:54 S 11 16 58.260 +08 55 26.87 V C57
2021-12-10 16:03:54 s 1 -42261.997 0 +381707.18 8060.0 C57
2021-12-10 16:13:54 S 11 17 02.969 +08 55 09.41 V C57
2021-12-10 16:13:54 s 1 -42606.049 0 +381586.21 3690.0 C57
2021-12-10 17:13:54 S 11 17 29.256 +08 53 30.34 V C57
2021-12-10 17:13:54 s 1 -44668.184 0 +380840.44 3920.0 C57
2021-12-10 17:43:54 S 11 17 43.277 +08 52 42.20 V C57
2021-12-10 17:43:54 s 1 -45697.807 0 +380454.68 5180.0 C57
2021-12-10 17:53:54 S 11 17 48.034 +08 52 24.24 V C57
2021-12-10 17:53:54 s 1 -46040.794 0 +380324.18 4260.0 C57
2021-12-10 18:23:54 S 11 18 01.733 +08 51 40.25 V C57