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
2025-01-05 06:27:54 C 02 01 27.972 +13 39 58.46 V T05
2025-01-05 06:35:25 C 02 01 26.239 +13 39 57.31 V T05
2025-01-05 06:53:12 C 02 01 22.212 +13 39 54.29 V T05
2025-01-05 07:37:20 C 02 01 12.137 +13 39 47.38 V T08
2025-01-05 08:08:23 C 02 01 05.150 +13 39 41.90 V T08
2025-01-05 08:35:59 C 02 00 58.903 +13 39 36.97 V T08
2025-01-06 06:56:55 C 01 56 06.084 +13 36 02.20 V T05
2025-01-06 07:01:33 C 01 56 05.038 +13 36 01.37 V T05
2025-01-06 07:39:29 C 01 55 56.494 +13 35 54.92 V T05
2025-01-06 07:46:54 C 01 55 54.823 +13 35 53.41 V T05
2025-01-12 04:07:48 C 01 26 02.155 +13 11 09.49 V 703
2025-01-12 04:11:03 C 01 26 01.500 +13 11 08.38 V 703
2025-01-12 04:14:18 C 01 26 00.730 +13 11 07.04 V 703
2025-01-12 04:17:34 C 01 26 00.064 +13 11 06.47 V 703
2025-01-12 04:46:18 C 01 25 53.954 +13 11 00.13 V G96
2025-01-12 04:53:52 C 01 25 52.331 +13 10 58.62 V G96
2025-01-12 05:01:25 C 01 25 50.718 +13 10 56.96 V G96
2025-01-12 05:08:58 C 01 25 49.120 +13 10 55.42 V G96
2025-01-13 04:22:59 C 01 20 59.694 +13 06 24.48 V 703
2025-01-13 04:26:15 C 01 20 59.053 +13 06 22.21 V 703
2025-01-13 04:32:46 C 01 20 57.602 +13 06 20.05 V 703
2025-01-15 06:11:04 C 01 10 44.050 +12 56 05.35 V T08
2025-01-15 06:17:06 C 01 10 42.761 +12 56 04.78 V T08
2025-01-15 06:27:46 C 01 10 40.471 +12 56 01.97 V T08
2025-01-15 06:51:09 C 01 10 35.551 +12 55 55.88 V T08
2025-01-17 19:06:35 C 00 58 16.075 +12 42 12.38 V M22
2025-01-17 19:11:09 C 00 58 15.168 +12 42 11.12 V M22
2025-01-17 19:22:20 C 00 58 12.790 +12 42 08.86 V M22
2025-01-17 19:33:23 C 00 58 10.488 +12 42 05.51 V M22
2025-01-19 03:59:18 C 00 51 33.462 +12 33 05.00 V 703
2025-01-19 04:02:15 C 00 51 32.810 +12 33 04.46 V 703
2025-01-19 04:08:08 C 00 51 31.687 +12 33 04.28 V 703
2025-01-19 05:22:39 C 00 51 16.846 +12 32 50.50 V T08
2025-01-19 05:28:01 C 00 51 15.691 +12 32 48.98 V T08
2025-01-19 05:38:40 C 00 51 13.442 +12 32 45.64 V T08
2025-01-19 05:56:00 C 00 51 09.835 +12 32 41.53 V T08
2025-01-20 02:35:25 C 00 46 56.860 +12 26 44.99 V 703
2025-01-20 02:38:23 C 00 46 56.219 +12 26 44.70 V 703
2025-01-20 02:41:20 C 00 46 55.636 +12 26 43.04 V 703
2025-01-21 03:08:45 C 00 41 54.971 +12 19 23.88 V 703
2025-01-21 03:12:00 C 00 41 54.366 +12 19 22.12 V 703
2025-01-21 03:15:16 C 00 41 53.689 +12 19 20.28 V 703
2025-01-21 03:18:32 C 00 41 53.052 +12 19 20.35 V 703
2025-01-21 05:42:00 C 00 41 23.623 +12 18 41.18 V T05
2025-01-21 05:46:36 C 00 41 22.692 +12 18 39.31 V T05
2025-01-21 06:13:00 C 00 41 17.174 +12 18 30.67 V T05
2025-01-21 06:28:05 C 00 41 13.990 +12 18 25.92 V T05
2025-01-24 02:37:57 C 00 27 10.026 +11 54 39.53 V 703
2025-01-24 02:40:54 C 00 27 09.457 +11 54 38.52 V 703
2025-01-24 02:43:52 C 00 27 08.824 +11 54 37.15 V 703