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
2024-12-19 11:41:31 C 03 32 42.778 +14 28 52.97 V T08
2024-12-19 11:50:52 C 03 32 40.654 +14 28 52.25 V T08
2024-12-19 13:53:22 C 03 32 15.11 +14 28 40.3 V D29
2024-12-19 14:13:44 C 03 32 10.49 +14 28 38.8 V D29
2024-12-19 14:34:06 C 03 32 05.88 +14 28 37.3 V D29
2024-12-19 23:39:45 C 03 30 05.275 +14 27 48.64 V Z80
2024-12-19 23:46:23 C 03 30 03.785 +14 27 47.88 V Z80
2024-12-19 23:53:02 C 03 30 02.290 +14 27 47.41 V Z80
2024-12-20 07:26:09 C 03 28 21.652 +14 27 20.20 V 703
2024-12-20 07:29:25 C 03 28 20.888 +14 27 19.26 V 703
2024-12-20 07:32:40 C 03 28 20.190 +14 27 19.37 V 703
2024-12-20 07:35:56 C 03 28 19.427 +14 27 18.65 V 703
2024-12-20 08:34:52 C 03 28 07.054 +14 27 20.77 V T05
2024-12-20 08:39:31 C 03 28 05.981 +14 27 20.38 V T05
2024-12-20 08:48:43 C 03 28 03.862 +14 27 19.62 V T05
2024-12-20 09:05:45 C 03 27 59.969 +14 27 18.14 V T05
2024-12-20 09:07:16 C 03 27 59.597 +14 27 18.50 V T08
2024-12-20 09:13:25 C 03 27 58.202 +14 27 17.86 V T08
2024-12-20 09:41:02 C 03 27 51.869 +14 27 15.44 V T08
2024-12-20 10:05:21 C 03 27 46.303 +14 27 13.18 V T08
2024-12-21 07:52:29 C 03 22 54.397 +14 25 19.99 V 703
2024-12-21 07:55:44 C 03 22 53.634 +14 25 19.45 V 703
2024-12-21 07:59:00 C 03 22 52.903 +14 25 19.56 V 703
2024-12-21 08:02:15 C 03 22 52.158 +14 25 18.80 V 703
2024-12-21 19:32:25 C 03 20 18.59 +14 24 16.1 V G17
2024-12-21 19:38:08 C 03 20 17.29 +14 24 16.2 V G17
2024-12-21 19:43:50 C 03 20 15.98 +14 24 15.6 V G17
2024-12-22 05:40:49 C 03 18 00.554 +14 23 26.99 V 703
2024-12-22 05:44:05 C 03 17 59.773 +14 23 26.59 V 703
2024-12-22 05:47:20 C 03 17 59.039 +14 23 25.98 V 703
2024-12-22 05:50:35 C 03 17 58.290 +14 23 25.84 V 703
2024-12-22 05:56:16 C 03 17 56.983 +14 23 25.26 V G96
2024-12-22 06:04:23 C 03 17 55.097 +14 23 24.43 V G96
2024-12-22 06:12:32 C 03 17 53.200 +14 23 23.64 V G96
2024-12-22 06:20:39 C 03 17 51.317 +14 23 22.81 V G96
2024-12-22 08:07:12 C 03 17 27.686 +14 23 19.07 V T05
2024-12-22 08:11:53 C 03 17 26.590 +14 23 18.42 V T05
2024-12-22 08:19:47 C 03 17 24.742 +14 23 17.59 V T05
2024-12-22 08:34:59 C 03 17 21.194 +14 23 16.30 V T05
2024-12-23 05:48:13 C 03 12 33.477 +14 21 15.64 X F51
2024-12-23 06:05:11 C 03 12 29.497 +14 21 14.14 X F51
2024-12-23 06:22:02 C 03 12 25.541 +14 21 12.65 X F51
2024-12-23 06:39:02 C 03 12 21.548 +14 21 11.12 X F51
2024-12-23 09:15:45 C 03 11 44.681 +14 20 55.90 V T08
2024-12-23 09:20:25 C 03 11 43.579 +14 20 55.18 V T08
2024-12-23 09:34:28 C 03 11 40.274 +14 20 53.52 V T08
2024-12-23 09:54:38 C 03 11 35.566 +14 20 51.43 V T08
2024-12-23 19:26:27 B 03 09 26.49 +14 19 43.7 V 130
2024-12-23 19:30:36 B 03 09 25.55 +14 19 43.7 V 130
2024-12-23 19:35:01 B 03 09 24.51 +14 19 43.3 V 130