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
2022-11-18 07:31:45 C 23 59 55.022 +68 24 05.76 V T08
2022-11-18 15:01:35 C 00 03 08.54 +68 23 25.1 q 168
2022-11-18 18:10:42 C 00 04 25.42 +68 23 10.2 q 168
2022-11-18 19:28:32 C 00 04 57.18 +68 23 00.5 q 168
2022-11-19 14:45:54 C 00 12 59.83 +68 20 32.0 q 168
2022-11-19 16:57:55 C 00 13 51.66 +68 20 09.6 q 168
2022-11-19 17:09:35 C 00 13 59.359 +68 20 04.78 V G01
2022-11-19 17:43:04 C 00 14 12.528 +68 20 00.42 V G01
2022-11-19 19:08:02 C 00 14 42.70 +68 19 40.7 q 168
2022-11-19 20:57:55 C 00 15 26.22 +68 19 11.8 q 168
2022-11-19 22:36:59 C 00 16 05.96 +68 18 44.2 q 168
2022-11-20 23:40:09 C 00 25 58.98 +68 12 23.4 X L63
2022-11-20 23:48:49 C 00 26 02.26 +68 12 20.7 X L63
2022-11-20 23:55:14 C 00 26 04.66 +68 12 17.9 X L63
2022-11-24 08:59:27 C 00 55 19.260 +67 35 48.08 V T05
2022-11-24 09:04:01 C 00 55 20.693 +67 35 45.06 V T05
2022-11-24 09:27:32 C 00 55 28.128 +67 35 30.08 V T05
2022-11-24 18:58:46 C 00 58 41.285 +67 29 41.68 V G01
2022-11-24 19:01:23 C 00 58 42.070 +67 29 40.13 V G01
2022-11-24 19:52:52 C 00 58 58.291 +67 29 09.64 V G01
2022-11-24 19:55:28 C 00 58 59.136 +67 29 08.20 V G01
2022-11-25 14:53:35 C 01 05 06.71 +67 17 08.2 q 168
2022-11-25 15:37:57 C 01 05 20.24 +67 16 40.3 q 168
2022-11-25 16:44:58 C 01 05 40.60 +67 15 57.3 q 168
2022-11-25 17:31:55 C 01 05 54.80 +67 15 26.1 q 168
2022-11-26 07:49:52 C 01 10 20.909 +67 06 04.64 V T08
2022-11-26 07:57:52 C 01 10 23.201 +67 05 58.92 V T08
2022-11-26 08:03:54 C 01 10 24.917 +67 05 54.71 V T08
2022-11-26 08:54:24 C 01 10 39.382 +67 05 18.02 V T08
2022-11-26 09:09:04 C 01 10 48.81 +67 04 56.4 t P71
2022-11-26 09:10:56 C 01 10 49.40 +67 04 55.5 t P71
2022-11-26 17:44:34 C 01 13 24.11 +66 58 51.1 V C23
2022-11-26 17:49:11 C 01 13 25.47 +66 58 47.9 V C23
2022-11-26 17:53:49 C 01 13 26.84 +66 58 45.0 V C23
2022-11-28 14:49:59 C 01 26 22.06 +66 24 56.9 q 168
2022-11-28 17:06:54 C 01 26 58.33 +66 23 10.7 q 168
2022-11-28 19:51:01 C 01 27 41.55 +66 20 56.4 q 168
2022-12-02 08:48:20 C 01 49 06.458 +65 08 40.02 V T05
2022-12-02 09:05:25 C 01 49 10.133 +65 08 24.04 V T05
2022-12-02 09:11:57 C 01 49 11.566 +65 08 17.95 V T05
2022-12-02 09:16:31 C 01 49 12.506 +65 08 13.63 V T05
2022-12-02 09:26:59 C 01 49 14.820 +65 08 03.88 V T05
2022-12-02 09:42:39 C 01 49 18.209 +65 07 48.79 V T05
2022-12-05 02:10:45 C 02 03 27.42 +64 07 52.3 u H21
2022-12-05 02:13:31 C 02 03 28.00 +64 07 49.4 u H21
2022-12-09 02:10:38 C 02 21 45.158 +62 34 15.46 Z U76
2022-12-09 02:31:49 C 02 21 48.670 +62 33 55.58 Z U76
2022-12-09 02:50:32 C 02 21 51.785 +62 33 37.73 Z U76
2022-12-12 16:39:04 C 02 35 58.67 +61 07 36.8 V C23
2022-12-12 16:43:23 C 02 35 59.22 +61 07 33.0 V C23