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
2024-12-03 09:46:21 C 04 44 27.380 +14 42 12.53 V 703
2024-12-03 09:49:40 C 04 44 26.902 +14 42 12.28 V 703
2024-12-03 09:52:59 C 04 44 26.401 +14 42 11.88 V 703
2024-12-03 18:05:03 C 04 43 14.89 +14 42 04.4 V D29
2024-12-03 18:25:25 C 04 43 11.81 +14 42 03.9 V D29
2024-12-03 18:45:47 C 04 43 08.74 +14 42 03.4 V D29
2024-12-04 06:23:10 C 04 41 26.502 +14 41 53.12 V 703
2024-12-04 06:26:25 C 04 41 26.012 +14 41 53.12 V 703
2024-12-04 06:29:42 C 04 41 25.505 +14 41 53.16 V 703
2024-12-04 06:32:57 C 04 41 24.976 +14 41 53.09 V 703
2024-12-04 23:44:15 C 04 38 48.187 +14 41 57.16 V M22
2024-12-04 23:49:28 C 04 38 47.359 +14 41 57.05 V M22
2024-12-04 23:58:35 C 04 38 45.946 +14 41 56.58 V M22
2024-12-05 09:42:12 C 04 37 15.413 +14 41 25.01 V 703
2024-12-05 09:45:31 C 04 37 14.956 +14 41 24.04 V 703
2024-12-05 09:48:50 C 04 37 14.354 +14 41 25.15 V 703
2024-12-05 09:52:09 C 04 37 13.847 +14 41 25.26 V 703
2024-12-05 16:10:53 C 04 36 15.21 +14 41 19.5 V D29
2024-12-05 16:31:15 C 04 36 11.90 +14 41 22.4 V D29
2024-12-05 16:51:37 C 04 36 08.62 +14 41 18.8 V D29
2024-12-06 07:59:48 C 04 33 45.110 +14 41 07.26 V T08
2024-12-06 08:04:29 C 04 33 44.328 +14 41 07.37 V T08
2024-12-06 08:08:30 C 04 33 43.646 +14 41 07.40 V T08
2024-12-06 08:17:08 C 04 33 42.233 +14 41 07.04 V T08
2024-12-07 06:45:31 C 04 30 01.228 +14 40 38.46 V 703
2024-12-07 06:48:46 C 04 30 00.666 +14 40 38.68 V 703
2024-12-07 06:52:02 C 04 30 00.137 +14 40 38.42 V 703
2024-12-07 06:55:19 C 04 29 59.572 +14 40 38.57 V 703
2024-12-07 07:39:22 C 04 29 53.020 +14 40 40.98 X F51
2024-12-07 08:16:07 C 04 29 46.709 +14 40 40.67 X F51
2024-12-07 08:34:35 C 04 29 43.533 +14 40 40.47 X F51
2024-12-08 07:06:43 C 04 25 54.430 +14 40 09.77 V 703
2024-12-08 07:09:59 C 04 25 53.832 +14 40 09.77 V 703
2024-12-08 07:13:14 C 04 25 53.216 +14 40 08.72 V 703
2024-12-08 07:18:47 C 04 25 52.306 +14 40 09.41 V 703
2024-12-08 10:18:56 C 04 25 21.319 +14 40 09.84 V T05
2024-12-08 10:24:10 C 04 25 20.398 +14 40 09.91 V T05
2024-12-08 10:31:59 C 04 25 18.996 +14 40 09.59 V T05
2024-12-08 10:48:27 C 04 25 16.056 +14 40 09.34 V T05
2024-12-08 21:02:22 C 04 23 30.221 +14 40 14.66 V M22
2024-12-08 21:05:00 C 04 23 29.770 +14 40 14.56 V M22
2024-12-08 21:08:56 C 04 23 29.052 +14 40 14.48 V M22
2024-12-08 21:17:25 C 04 23 27.514 +14 40 14.38 V M22
2024-12-09 07:02:30 C 04 21 44.356 +14 39 38.48 V 703
2024-12-09 07:05:27 C 04 21 43.830 +14 39 38.38 V 703
2024-12-09 07:08:25 C 04 21 43.283 +14 39 38.41 V 703
2024-12-09 07:11:22 C 04 21 42.754 +14 39 38.23 V 703
2024-12-10 04:26:48 C 04 17 55.172 +14 39 06.80 V 703
2024-12-10 04:30:05 C 04 17 54.560 +14 39 05.80 V 703
2024-12-10 04:33:22 C 04 17 53.916 +14 39 06.88 V 703