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
2021-12-01 03:53:55 S 09 50 16.382 +13 14 30.88 V C57
2021-12-01 03:53:55 s 1 -168169.56 7 +128237.53 5510.0 C57
2021-12-01 04:03:55 S 09 50 20.155 +13 14 23.21 V C57
2021-12-01 04:03:55 s 1 -168132.04 6 +127411.85 2770.0 C57
2021-12-01 04:13:55 S 09 50 22.286 +13 14 16.80 V C57
2021-12-01 04:13:55 s 1 -168092.31 1 +126584.49 950.0 C57
2021-12-01 04:23:55 S 09 50 25.010 +13 14 06.94 V C57
2021-12-01 04:23:55 s 1 -168050.34 4 +125755.46 9980.0 C57
2021-12-01 05:03:55 S 09 50 36.934 +13 13 29.89 V C57
2021-12-01 05:03:55 s 1 -167859.87 4 +122422.51 3520.0 C57
2021-12-01 05:23:55 S 09 50 42.768 +13 13 20.17 V C57
2021-12-01 05:23:55 s 1 -167750.86 0 +120745.94 8870.0 C57
2021-12-01 06:03:55 S 09 50 53.470 +13 12 48.38 V C57
2021-12-01 06:03:55 s 1 -167504.64 3 +117372.59 4230.0 C57
2021-12-01 06:33:55 S 09 51 01.980 +13 12 27.83 V C57
2021-12-01 06:33:55 s 1 -167294.80 0 +114824.90 7790.0 C57
2021-12-01 06:43:55 S 09 51 04.579 +13 12 11.92 V C57
2021-12-01 06:43:55 s 1 -167219.96 8 +113972.30 2350.0 C57
2021-12-01 06:53:55 S 09 51 07.678 +13 12 10.55 V C57
2021-12-01 06:53:55 s 1 -167142.66 5 +113118.01 6810.0 C57
2021-12-01 07:13:55 S 09 51 13.452 +13 11 56.47 V C57
2021-12-01 07:13:55 s 1 -166980.57 7 +111404.38 5180.0 C57
2021-12-01 07:43:55 S 09 51 22.255 +13 11 24.47 V C57
2021-12-01 07:43:55 s 1 -166718.47 6 +108821.31 5290.0 C57
2021-12-01 08:43:55 S 09 51 38.750 +13 10 42.64 V C57
2021-12-01 08:43:55 s 1 -166124.19 0 +103609.72 9620.0 C57
2021-12-01 08:53:55 S 09 51 42.122 +13 10 33.60 V C57
2021-12-01 08:53:55 s 1 -166015.84 0 +102735.24 7420.0 C57
2021-12-01 09:03:55 S 09 51 44.959 +13 10 21.40 V C57
2021-12-01 09:03:55 s 1 -165904.78 1 +101859.09 4190.0 C57
2021-12-01 09:53:55 S 09 51 59.623 +13 09 44.60 V C57
2021-12-01 09:53:55 s 1 -165308.15 6 +97453.164 9730.0 C57
2021-12-01 10:23:55 S 09 52 07.968 +13 09 14.80 V C57
2021-12-01 10:23:55 s 1 -164916.38 7 +94789.552 1550.0 C57
2021-12-01 10:33:55 S 09 52 10.781 +13 09 11.41 V C57
2021-12-01 10:33:55 s 1 -164780.04 1 +93898.348 5410.0 C57
2021-12-01 10:53:55 S 09 52 16.236 +13 08 53.16 V C57
2021-12-01 10:53:55 s 1 -164498.58 3 +92110.954 7520.0 C57
2021-12-01 11:03:55 S 09 52 18.984 +13 08 45.42 V C57
2021-12-01 11:03:55 s 1 -164353.42 9 +91214.767 5590.0 C57
2021-12-01 11:09:04 C 09 52 23.64 +13 09 55.2 V 703
2021-12-01 11:16:36 C 09 52 25.89 +13 09 50.2 V 703
2021-12-01 11:24:07 C 09 52 28.08 +13 09 44.1 V 703
2021-12-01 11:31:39 C 09 52 30.35 +13 09 38.6 V 703
2021-12-01 12:23:55 S 09 52 42.288 +13 07 45.95 V C57
2021-12-01 12:23:55 s 1 -163083.02 3 +83985.860 6920.0 C57
2021-12-01 13:03:55 S 09 52 53.873 +13 07 15.31 V C57
2021-12-01 13:03:55 s 1 -162372.61 3 +80332.111 2580.0 C57
2021-12-01 13:13:55 S 09 52 56.167 +13 07 07.72 V C57
2021-12-01 13:13:55 s 1 -162186.91 5 +79414.619 6200.0 C57