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
2024-12-29 07:48:56 C 02 39 00.835 +14 04 22.30 V T05
2024-12-29 07:53:30 C 02 38 59.762 +14 04 21.83 V T05
2024-12-29 08:04:13 C 02 38 57.226 +14 04 20.10 V T05
2024-12-29 08:20:56 C 02 38 53.246 +14 04 17.72 V T05
2024-12-30 07:28:28 C 02 33 35.678 +14 01 11.93 V T08
2024-12-30 07:33:05 C 02 33 34.598 +14 01 11.28 V T08
2024-12-30 07:47:14 C 02 33 31.250 +14 01 09.16 V T08
2024-12-30 08:05:11 C 02 33 27.007 +14 01 06.49 V T08
2024-12-31 00:43:41 C 02 29 40.05 +13 58 41.2 V W46
2024-12-31 01:00:27 C 02 29 36.10 +13 58 39.0 V W46
2024-12-31 01:10:00 C 02 29 33.576 +13 59 07.76 V W68
2024-12-31 01:14:37 C 02 29 32.513 +13 59 07.12 V W68
2024-12-31 01:18:34 C 02 29 31.598 +13 59 06.32 V W68
2024-12-31 01:22:32 C 02 29 30.648 +13 59 06.40 V W68
2024-12-31 01:23:11 C 02 29 30.463 +13 59 06.32 V W68
2024-12-31 01:28:10 C 02 29 29.59 +13 58 35.6 V W46
2024-12-31 01:36:54 C 02 29 27.252 +13 59 03.84 V W68
2024-12-31 01:37:33 C 02 29 27.072 +13 59 03.88 V W68
2024-12-31 01:54:37 C 02 29 23.088 +13 59 01.39 V W68
2024-12-31 13:44:03 C 02 26 41.45 +13 56 51.9 V D29
2024-12-31 13:50:25 C 02 26 39.96 +13 56 50.7 V D29
2024-12-31 14:04:25 C 02 26 36.69 +13 56 48.7 V D29
2024-12-31 14:10:47 C 02 26 35.21 +13 56 47.6 V D29
2024-12-31 14:24:47 C 02 26 31.94 +13 56 45.5 V D29
2024-12-31 14:31:09 C 02 26 30.46 +13 56 44.3 V D29
2025-01-01 03:46:33 C 02 23 30.736 +13 54 51.95 V 703
2025-01-01 03:49:30 C 02 23 30.023 +13 54 51.55 V 703
2025-01-01 03:52:27 C 02 23 29.332 +13 54 50.98 V 703
2025-01-01 03:55:24 C 02 23 28.658 +13 54 50.94 V 703
2025-01-03 03:10:43 C 02 12 50.605 +13 47 50.71 V G96
2025-01-03 03:18:07 C 02 12 48.892 +13 47 49.49 V G96
2025-01-03 03:25:31 C 02 12 47.178 +13 47 48.30 V G96
2025-01-03 03:32:56 C 02 12 45.472 +13 47 47.22 V G96
2025-01-03 03:47:35 C 02 12 42.084 +13 47 44.95 V 703
2025-01-03 03:52:37 C 02 12 40.918 +13 47 44.45 V 703
2025-01-03 03:55:34 C 02 12 40.244 +13 47 43.73 V 703
2025-01-03 03:58:31 C 02 12 39.575 +13 47 43.51 V 703
2025-01-03 06:45:14 C 02 12 02.362 +13 47 24.18 V T08
2025-01-03 06:49:51 C 02 12 01.277 +13 47 23.60 V T08
2025-01-03 06:57:35 C 02 11 59.477 +13 47 22.34 V T08
2025-01-03 07:12:12 C 02 11 56.119 +13 47 20.00 V T08
2025-01-04 01:41:30 C 02 07 49.104 +13 44 52.55 V W68
2025-01-04 01:47:35 C 02 07 47.705 +13 44 51.43 V W68
2025-01-04 01:56:03 C 02 07 45.780 +13 44 49.92 V W68
2025-01-04 02:17:05 C 02 07 40.949 +13 44 46.54 V W68
2025-01-05 03:49:46 C 02 02 02.638 +13 40 18.37 V 703
2025-01-05 03:52:44 C 02 02 01.936 +13 40 17.18 V 703
2025-01-05 03:55:42 C 02 02 01.295 +13 40 17.18 V 703
2025-01-05 03:58:40 C 02 02 00.625 +13 40 16.25 V 703
2025-01-05 06:21:59 C 02 01 29.311 +13 39 59.69 V T05