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
2022-10-17 13:17:50 C 19 03 57.996 +17 26 02.06 V O85
2022-10-17 13:21:30 C 19 03 58.747 +17 26 33.81 V O85
2022-10-17 13:22:40 C 19 03 58.995 +17 26 43.99 V O85
2022-10-17 18:15:05 C 19 05 04.490 +18 09 03.47 g K99
2022-10-17 18:16:36 C 19 05 04.796 +18 09 16.31 g K99
2022-10-17 18:18:05 C 19 05 05.104 +18 09 29.25 g K99
2022-10-17 18:19:35 C 19 05 05.427 +18 09 42.25 g K99
2022-10-17 18:21:06 C 19 05 05.748 +18 09 55.62 g K99
2022-10-17 18:22:35 C 19 05 06.037 +18 10 08.80 g K99
2022-10-17 18:24:05 C 19 05 06.339 +18 10 21.04 g K99
2022-10-17 18:25:36 C 19 05 06.650 +18 10 34.53 g K99
2022-10-17 18:30:30 C 19 05 07.657 +18 11 17.02 g K99
2022-10-17 18:32:01 C 19 05 07.997 +18 11 30.25 g K99
2022-10-17 18:33:30 C 19 05 08.321 +18 11 43.00 g K99
2022-10-17 18:35:00 C 19 05 08.609 +18 11 56.19 g K99
2022-10-17 18:39:30 C 19 05 09.564 +18 12 35.07 g K99
2022-10-17 18:41:01 C 19 05 09.878 +18 12 48.03 g K99
2022-10-17 18:42:30 C 19 05 10.184 +18 13 01.21 g K99
2022-10-17 18:44:00 C 19 05 10.495 +18 13 14.10 g K99
2022-10-17 19:07:20 C 19 05 15.214 +18 16 47.07 V L92
2022-10-17 19:08:27 C 19 05 15.644 +18 16 58.27 V L92
2022-10-17 19:09:35 C 19 05 15.709 +18 17 10.66 V L92
2022-10-17 19:11:15 C 19 05 16.298 +18 17 24.15 V L92
2022-10-17 19:11:52 C 19 05 16.400 +18 17 27.33 V L92
2022-10-17 19:17:11 C 19 05 17.424 +18 18 14.42 V L92
2022-10-17 19:20:22 C 19 05 18.142 +18 18 42.26 V L92
2022-10-17 19:23:29 C 19 05 18.736 +18 19 09.22 V L92
2022-10-17 19:26:41 C 19 05 19.453 +18 19 37.22 V L92
2022-10-17 19:29:48 C 19 05 20.084 +18 20 03.16 V L92
2022-10-17 19:30:17 C 19 05 20.220 +18 20 07.66 V L92
2022-10-17 19:33:06 C 19 05 20.833 +18 20 33.04 V L92
2022-10-17 19:36:14 C 19 05 21.377 +18 20 59.52 V L92
2022-10-17 19:39:21 C 19 05 21.995 +18 21 26.32 V L92
2022-10-17 19:42:29 C 19 05 22.759 +18 21 54.23 V L92
2022-10-17 19:45:35 C 19 05 23.309 +18 22 19.90 V L92
2022-10-17 19:48:44 C 19 05 24.038 +18 22 46.42 V L92
2022-10-17 19:54:56 C 19 05 25.40 +18 23 25.5 V L99
2022-10-17 19:56:16 C 19 05 25.69 +18 23 37.2 V L99
2022-10-17 19:57:36 C 19 05 25.91 +18 23 48.0 V L99
2022-10-17 19:58:56 C 19 05 26.25 +18 23 59.3 V L99
2022-10-17 20:00:16 C 19 05 26.55 +18 24 11.0 V L99
2022-10-18 07:25:13 C 19 07 58.337 +20 04 16.39 V T05
2022-10-18 07:29:47 C 19 07 59.306 +20 04 55.74 V T05
2022-10-18 08:01:04 C 19 08 05.990 +20 09 24.70 V T05
2022-10-18 08:23:14 C 19 08 10.783 +20 12 35.10 V T05
2022-10-18 13:19:57 C 19 09 19.365 +20 55 21.42 V O85
2022-10-18 13:23:37 C 19 09 20.145 +20 55 53.10 V O85
2022-10-18 13:24:47 C 19 09 20.390 +20 56 02.94 V O85
2022-10-18 13:28:27 C 19 09 21.185 +20 56 34.49 V O85
2022-10-18 13:29:37 C 19 09 21.434 +20 56 44.53 V O85