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
2022-12-12 16:48:46 C 02 36 00.06 +61 07 27.6 V C23
2022-12-13 20:33:23 C 02 40 10.380 +60 39 38.52 V G01
2022-12-13 21:51:03 C 02 40 21.350 +60 38 19.86 V G01
2022-12-13 23:01:33 C 02 40 31.330 +60 37 07.50 V G01
2022-12-14 01:05:15 C 02 40 49.046 +60 34 59.12 V G01
2022-12-14 02:14:59 C 02 40 59.306 +60 33 45.68 V G01
2022-12-14 04:01:18 C 02 41 17.083 +60 32 13.99 Z U76
2022-12-14 04:23:09 C 02 41 20.078 +60 31 52.28 Z U76
2022-12-14 04:46:37 C 02 41 23.306 +60 31 28.81 Z U76
2022-12-14 07:36:41 C 02 41 48.110 +60 28 41.05 V T05
2022-12-14 08:57:00 C 02 41 58.942 +60 27 20.05 V T05
2022-12-14 09:01:34 C 02 41 59.558 +60 27 15.30 V T05
2022-12-14 09:30:05 C 02 42 03.403 +60 26 45.64 V T05
2022-12-14 16:44:11 C 02 43 09.17 +60 19 16.3 V C23
2022-12-14 16:49:35 C 02 43 09.91 +60 19 10.9 V C23
2022-12-14 16:54:58 C 02 43 10.70 +60 19 05.6 V C23
2022-12-14 18:58:48 C 02 43 27.756 +60 17 04.60 V G01
2022-12-14 19:01:33 C 02 43 28.147 +60 17 02.11 V G01
2022-12-14 20:42:25 C 02 43 41.91 +60 15 24.1 V 130
2022-12-14 20:44:57 C 02 43 42.24 +60 15 21.4 V 130
2022-12-14 20:48:07 C 02 43 42.67 +60 15 18.2 V 130
2022-12-14 20:51:17 C 02 43 43.11 +60 15 15.2 V 130
2022-12-14 21:14:21 C 02 43 46.327 +60 14 49.42 V G01
2022-12-14 21:17:00 C 02 43 46.697 +60 14 46.50 V G01
2022-12-15 16:48:37 C 02 46 34.68 +59 55 05.8 V C23
2022-12-15 16:54:00 C 02 46 35.25 +59 54 59.9 V C23
2022-12-15 16:59:23 C 02 46 36.11 +59 54 55.0 V C23
2022-12-15 17:25:46 C 02 46 39.559 +59 54 28.94 V G01
2022-12-15 17:27:47 C 02 46 39.802 +59 54 26.06 V G01
2022-12-15 17:29:07 C 02 46 39.994 +59 54 25.99 V G01
2022-12-17 18:22:31 C 02 53 18.432 +59 05 32.82 X B72
2022-12-17 18:23:36 C 02 53 18.538 +59 05 31.74 X B72
2022-12-17 18:26:17 C 02 53 18.874 +59 05 29.08 X B72
2022-12-17 18:27:22 C 02 53 19.008 +59 05 27.85 X B72
2022-12-17 18:28:27 C 02 53 19.174 +59 05 26.95 X B72
2022-12-17 18:29:31 C 02 53 19.272 +59 05 26.05 X B72
2022-12-17 18:30:36 C 02 53 19.440 +59 05 24.86 X B72
2022-12-17 18:31:41 C 02 53 19.565 +59 05 23.86 X B72
2022-12-17 18:32:46 C 02 53 19.730 +59 05 22.92 X B72
2022-12-17 18:33:51 C 02 53 19.817 +59 05 21.59 X B72
2022-12-17 18:34:55 C 02 53 19.999 +59 05 20.54 X B72
2022-12-17 18:36:00 C 02 53 20.136 +59 05 19.61 X B72
2022-12-18 15:51:09 C 02 56 06.39 +58 44 18.8 q C97
2022-12-18 15:53:58 C 02 56 06.72 +58 44 15.9 q C97
2022-12-18 15:58:14 C 02 56 07.27 +58 44 12.0 q C97
2022-12-18 15:59:39 C 02 56 07.46 +58 44 10.6 q C97
2022-12-18 16:03:13 C 02 56 07.84 +58 44 07.3 q C97
2022-12-19 03:13:54 C 02 57 33.890 +58 32 58.31 U I41
2022-12-19 04:48:04 C 02 57 45.089 +58 31 26.18 U I41
2022-12-19 05:43:48 C 02 57 51.701 +58 30 30.60 U I41