IAA RAS IAA Minor Planet Database

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
2021-11-30 02:43:55 S 09 43 17.294 +13 33 46.26 – V C57
2021-11-30 02:43:55 s 1 -154839.75 4 +234575.61 5560.0 – C57
2021-11-30 03:33:55 S 09 43 31.274 +13 33 09.36 – V C57
2021-11-30 03:33:55 s 1 -155738.05 6 +231603.76 8120.0 – C57
2021-11-30 04:13:55 S 09 43 41.614 +13 32 38.36 – V C57
2021-11-30 04:13:55 s 1 -156439.49 4 +229200.86 9670.0 – C57
2021-11-30 05:33:55 S 09 44 04.404 +13 31 39.29 – V C57
2021-11-30 05:33:55 s 1 -157795.17 1 +224326.76 4100.0 – C57
2021-11-30 06:03:55 S 09 44 11.597 +13 31 13.30 – V C57
2021-11-30 06:03:55 s 1 -158286.91 2 +222475.33 790.0 – C57
2021-11-30 06:23:55 S 09 44 17.563 +13 31 04.73 – V C57
2021-11-30 06:23:55 s 1 -158609.58 6 +221233.85 3590.0 – C57
2021-11-30 06:33:55 S 09 44 20.695 +13 30 48.56 – V C57
2021-11-30 06:33:55 s 1 -158769.36 2 +220610.94 8430.0 – C57
2021-11-30 06:43:55 S 09 44 23.275 +13 30 51.95 – V C57
2021-11-30 06:43:55 s 1 -158928.08 9 +219986.58 8870.0 – C57
2021-11-30 06:53:55 S 09 44 25.757 +13 30 39.53 – V C57
2021-11-30 06:53:55 s 1 -159085.76 2 +219360.77 4890.0 – C57
2021-11-30 07:13:55 S 09 44 31.574 +13 30 27.00 – V C57
2021-11-30 07:13:55 s 1 -159397.92 5 +218104.81 3550.0 – C57
2021-11-30 07:53:55 S 09 44 42.960 +13 29 47.69 – V C57
2021-11-30 07:53:55 s 1 -160009.36 6 +215575.40 6820.0 – C57
2021-11-30 08:53:55 S 09 44 58.766 +13 29 13.31 – V C57
2021-11-30 08:53:55 s 1 -160893.64 0 +211737.35 3840.0 – C57
2021-11-30 09:03:55 S 09 45 01.550 +13 29 02.29 – V C57
2021-11-30 09:03:55 s 1 -161037.10 9 +211092.53 290.0 – C57
2021-11-30 09:23:55 S 09 45 07.212 +13 28 46.31 – V C57
2021-11-30 09:23:55 s 1 -161320.64 0 +209798.45 8930.0 – C57
2021-11-30 10:13:55 S 09 45 21.254 +13 28 13.33 – V C57
2021-11-30 10:13:55 s 1 -162009.32 7 +206537.31 1230.0 – C57
2021-11-30 10:23:55 S 09 45 23.786 +13 28 01.31 – V C57
2021-11-30 10:23:55 s 1 -162143.56 2 +205880.62 9040.0 – C57
2021-11-30 11:03:55 S 09 45 34.882 +13 27 30.71 – V C57
2021-11-30 11:03:55 s 1 -162668.62 2 +203238.90 600.0 – C57
2021-11-30 11:13:55 S 09 45 37.414 +13 27 29.77 – V C57
2021-11-30 11:13:55 s 1 -162796.88 5 +202574.72 3440.0 – C57
2021-11-30 11:23:55 S 09 45 40.315 +13 27 21.10 – V C57
2021-11-30 11:23:55 s 1 -162923.93 4 +201909.04 1210.0 – C57
2021-11-30 11:43:55 S 09 45 45.610 +13 27 03.42 – V C57
2021-11-30 11:43:55 s 1 -163174.36 4 +200573.17 1430.0 – C57
2021-11-30 13:33:55 S 09 46 15.730 +13 25 40.94 – V C57
2021-11-30 13:33:55 s 1 -164462.08 1 +193117.53 8530.0 – C57
2021-11-30 13:53:55 S 09 46 21.487 +13 25 23.12 – V C57
2021-11-30 13:53:55 s 1 -164679.46 1 +191742.13 890.0 – C57
2021-11-30 14:33:55 S 09 46 32.554 +13 24 53.06 – V C57
2021-11-30 14:33:55 s 1 -165098.27 4 +188972.90 9190.0 – C57
2021-11-30 14:43:55 S 09 46 36.060 +13 24 38.27 – V C57
2021-11-30 14:43:55 s 1 -165199.61 1 +188276.74 9750.0 – C57
2021-11-30 15:13:55 S 09 46 43.798 +13 24 20.74 – V C57
2021-11-30 15:13:55 s 1 -165495.42 4 +186178.97 7310.0 – C57