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
2022-07-02 05:06:14 C 18 37 16.894 -58 16 12.76 V W68
2022-07-02 05:48:46 C 18 37 12.650 -58 16 38.68 V W68
2022-07-03 04:04:07 C 18 35 06.634 -58 30 20.84 V W68
2022-07-03 04:08:01 C 18 35 06.245 -58 30 23.08 V W68
2022-07-03 04:13:20 C 18 35 05.683 -58 30 26.46 V W68
2022-07-03 04:33:40 C 18 35 03.593 -58 30 38.70 V W68
2022-07-05 05:16:56 C 18 30 11.602 -58 59 06.94 V W68
2022-07-05 05:22:09 C 18 30 11.040 -58 59 10.00 V W68
2022-07-05 05:30:36 C 18 30 10.142 -58 59 14.57 V W68
2022-07-05 05:47:35 C 18 30 08.239 -58 59 23.68 V W68
2022-07-05 23:03:28 C 18 28 20.626 -59 08 57.41 V M22
2022-07-05 23:08:00 C 18 28 20.122 -59 08 59.93 V M22
2022-07-05 23:15:51 C 18 28 19.248 -59 09 04.03 V M22
2022-07-05 23:30:36 C 18 28 17.578 -59 09 11.81 V M22
2022-07-07 02:19:53 C 18 25 24.598 -59 23 23.53 X L87
2022-07-07 02:29:25 C 18 25 23.532 -59 23 28.00 X L87
2022-07-07 02:38:36 C 18 25 22.363 -59 23 31.67 X L87
2022-07-13 22:47:48 C 18 06 14.088 -60 33 07.88 V M22
2022-07-13 22:53:05 C 18 06 13.363 -60 33 09.25 V M22
2022-07-13 23:18:53 C 18 06 10.085 -60 33 16.70 V M22
2022-07-13 23:26:06 C 18 06 09.103 -60 33 19.15 V M22
2022-07-24 03:49:49 C 17 35 31.342 -61 09 53.14 V W68
2022-07-24 03:53:55 C 17 35 30.811 -61 09 52.88 V W68
2022-07-24 04:03:15 C 17 35 29.570 -61 09 52.31 V W68
2022-07-24 04:08:58 C 17 35 28.790 -61 09 52.09 V W68
2022-07-24 04:13:34 C 17 35 28.176 -61 09 52.02 V W68
2022-07-24 04:17:33 C 17 35 27.703 -61 09 51.95 V W68
2022-07-24 04:21:34 C 17 35 27.175 -61 09 51.52 V W68
2022-07-24 04:38:06 C 17 35 24.996 -61 09 50.69 V W68
2022-08-05 01:20:43 C 17 05 38.683 -60 06 47.23 V W68
2022-08-05 01:24:55 C 17 05 38.306 -60 06 45.58 V W68
2022-08-05 01:32:47 C 17 05 37.586 -60 06 42.44 V W68
2022-08-05 02:22:33 C 17 05 33.017 -60 06 21.71 V W68
2022-08-19 11:08:26 S 16 49 02.03 -56 51 27.9 L C51
2022-08-19 15:50:04 S 16 48 58.26 -56 48 05.1 L C51
2022-08-19 17:24:09 S 16 48 57.04 -56 46 57.3 L C51
2022-08-19 18:58:01 S 16 48 55.88 -56 45 49.4 L C51
2022-08-19 22:05:48 S 16 48 53.62 -56 43 33.0 L C51
2022-08-20 01:13:45 S 16 48 51.49 -56 41 16.5 L C51
2022-08-20 04:20:47 S 16 48 49.47 -56 38 58.5 L C51
2022-08-20 07:29:17 S 16 48 47.53 -56 36 41.2 L C51
2022-09-19 17:35:52 C 17 25 26.513 -41 30 39.20 V M22
2022-09-19 17:41:04 C 17 25 26.964 -41 30 27.58 V M22
2022-09-19 17:48:41 C 17 25 27.634 -41 30 10.37 V M22
2022-09-19 18:04:36 C 17 25 29.028 -41 29 34.80 V M22
2022-10-06 02:00:28 C 18 14 08.91 -17 33 23.1 V W46
2022-10-06 02:04:55 C 18 14 09.51 -17 32 57.4 V W46
2022-10-06 02:07:53 C 18 14 09.96 -17 32 40.2 V W46
2022-10-07 18:08:21 C 18 20 24.39 -13 28 41.3 X C95
2022-10-07 18:28:46 C 18 20 27.36 -13 26 30.2 X C95