422787 (2001 WS1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6180125706 ± 3.99e-09
Semi-major axis (a)2.5921214752 AU ± 7.71e-10
Inclination (i)13.23411518° ± 1.88e-06
Long. of Asc. Node (Ω)1.28187721° ± 5.14e-06
Arg. of Perihelion (ω)5.23024977° ± 6.06e-06
Mean Anomaly (M)269.49601696° ± 6.35e-07
Mean Motion (n)0.2361724587°/day ± 1.05e-10
Perihelion dist (q)0.99015782 AU ± 1.04e-08
Aphelion dist (Q)4.19408513 AU ± 1.04e-08
Orbital Period4.17333286 yr ± 1.86e-09
Physical Parameters
H (abs. magnitude)17.03
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.276″
Uncertainty0
Orbit TypeApollo
MOID0.013088 AU
Observations Used1259
Oppositions21
Arc Total1997-2025
First Observation Used1997-08-02
Last Observation Used2025-03-29
Observations (1348)
Date Type RA Dec Mag Band Observatory
2022-10-07 18:50:53 C 18 20 30.59 -13 24 08.0 X C95
2022-10-07 19:11:21 C 18 20 33.58 -13 21 56.4 X C95
2022-10-07 19:31:15 C 18 20 36.51 -13 19 48.3 X C95
2022-10-07 19:50:35 C 18 20 38.352 -13 16 21.04 V M22
2022-10-07 19:55:13 C 18 20 39.046 -13 15 50.87 V M22
2022-10-07 20:09:37 C 18 20 41.213 -13 14 17.63 V M22
2022-10-07 20:18:48 C 18 20 42.622 -13 13 18.08 V M22
2022-10-09 18:19:29 C 18 28 16.272 -08 02 58.38 X K87
2022-10-09 18:21:54 C 18 28 16.661 -08 02 40.99 X K87
2022-10-09 18:24:19 C 18 28 17.030 -08 02 23.68 X K87
2022-10-10 17:10:07 C 18 32 09.92 -05 16 34.1 V L18
2022-10-10 17:10:21 C 18 32 09.98 -05 16 32.2 V L18
2022-10-10 17:10:35 C 18 32 10.02 -05 16 30.8 V L18
2022-10-10 17:10:49 C 18 32 10.03 -05 16 28.9 V L18
2022-10-10 17:11:03 C 18 32 10.06 -05 16 28.0 V L18
2022-10-10 17:11:18 C 18 32 10.12 -05 16 25.7 V L18
2022-10-10 17:11:32 C 18 32 10.14 -05 16 23.5 V L18
2022-10-10 17:11:46 C 18 32 10.21 -05 16 22.0 V L18
2022-10-10 17:12:00 C 18 32 10.22 -05 16 20.5 V L18
2022-10-10 17:12:14 C 18 32 10.31 -05 16 18.3 V L18
2022-10-10 17:12:29 C 18 32 10.31 -05 16 16.8 V L18
2022-10-10 17:12:43 C 18 32 10.34 -05 16 14.8 V L18
2022-10-10 17:12:57 C 18 32 10.39 -05 16 12.9 V L18
2022-10-10 17:13:11 C 18 32 10.43 -05 16 11.3 V L18
2022-10-10 17:13:25 C 18 32 10.48 -05 16 09.2 V L18
2022-10-10 18:15:03 C 18 32 21.50 -05 08 31.4 V C23
2022-10-10 18:20:26 C 18 32 22.33 -05 07 52.1 V C23
2022-10-10 18:25:50 C 18 32 23.21 -05 07 11.1 V C23
2022-10-10 19:31:29 C 18 32 34.10 -04 59 00.2 q J69
2022-10-10 19:38:44 C 18 32 35.29 -04 58 05.3 q J69
2022-10-10 19:45:59 C 18 32 36.43 -04 57 11.3 q J69
2022-10-10 19:53:14 C 18 32 37.63 -04 56 17.2 q J69
2022-10-11 18:05:52 C 18 36 33.13 -02 06 42.2 V C23
2022-10-11 18:12:20 C 18 36 34.21 -02 05 51.9 V C23
2022-10-11 18:18:48 C 18 36 35.26 -02 05 01.6 V C23
2022-10-12 05:41:17 C 18 38 36.862 -00 35 07.12 V T05
2022-10-12 05:45:52 C 18 38 37.608 -00 34 30.72 V T05
2022-10-12 05:53:41 C 18 38 38.897 -00 33 28.69 V T05
2022-10-12 23:12:40 C 18 41 49.64 +01 46 10.7 q X33
2022-10-12 23:16:17 C 18 41 50.07 +01 46 40.1 q X33
2022-10-12 23:19:59 C 18 41 50.88 +01 47 08.9 q X33
2022-10-13 17:21:59 C 18 45 15.468 +04 14 31.47 g K99
2022-10-13 17:23:58 C 18 45 15.861 +04 14 48.01 g K99
2022-10-13 17:25:58 C 18 45 16.194 +04 15 04.22 g K99
2022-10-13 17:27:58 C 18 45 16.560 +04 15 20.92 g K99
2022-10-13 17:29:58 C 18 45 16.913 +04 15 37.58 g K99
2022-10-13 17:35:59 C 18 45 18.005 +04 16 27.68 g K99
2022-10-13 17:37:59 C 18 45 18.335 +04 16 43.91 g K99
2022-10-13 17:39:59 C 18 45 18.684 +04 17 00.55 g K99
2022-10-13 17:41:25 C 18 45 18.916 +04 17 12.77 g K99