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
2005-05-07 11:12:01 C 15 42 01.22 -37 17 22.0 o F65
2005-05-07 11:14:46 C 15 42 01.01 -37 17 23.1 o F65
2005-05-07 11:17:26 C 15 42 00.86 -37 17 22.7 o F65
2015-01-15 14:07:06 C 10 16 24.504 +26 26 18.94 L F51
2015-01-15 14:24:54 C 10 16 23.660 +26 26 23.17 L F51
2015-01-15 14:42:42 C 10 16 22.814 +26 26 27.56 L F51
2015-01-15 15:00:28 C 10 16 21.988 +26 26 32.00 L F51
2015-01-27 13:59:45 C 10 01 34.003 +27 33 42.05 L F51
2015-01-27 14:15:31 C 10 01 33.092 +27 33 45.20 L F51
2015-01-29 13:30:41 C 09 58 52.626 +27 43 19.95 L F51
2015-01-29 13:46:26 C 09 58 51.705 +27 43 23.02 L F51
2015-01-29 14:02:12 C 09 58 50.784 +27 43 26.10 L F51
2015-01-29 14:18:00 C 09 58 49.863 +27 43 29.11 L F51
2015-02-13 07:07:52 C 09 38 22.95 +28 33 44.6 q G96
2015-02-13 07:12:18 C 09 38 22.70 +28 33 44.7 q G96
2015-02-13 07:16:45 C 09 38 22.43 +28 33 44.8 q G96
2015-02-13 07:21:11 C 09 38 22.16 +28 33 45.0 q G96
2015-02-18 08:06:10 C 09 31 41.725 +28 41 04.58 L F51
2015-02-18 08:42:37 C 09 31 39.719 +28 41 06.25 L F51
2015-02-18 09:00:58 C 09 31 38.705 +28 41 06.93 L F51
2015-03-16 05:44:55 C 09 06 35.550 +28 03 49.48 L F51
2015-03-16 06:03:42 C 09 06 35.058 +28 03 46.89 L F51
2015-03-16 06:22:27 C 09 06 34.574 +28 03 44.33 L F51
2015-03-16 06:41:05 C 09 06 34.098 +28 03 41.73 L F51
2015-03-24 08:57:58 C 09 02 43.416 +27 32 53.43 L F51
2015-03-24 09:16:09 C 09 02 43.122 +27 32 50.28 L F51
2015-03-24 09:34:14 C 09 02 42.832 +27 32 46.82 L F51
2015-03-24 09:52:16 C 09 02 42.548 +27 32 43.38 L F51
2017-03-27 12:12:39 C 13 49 51.760 -19 09 29.06 L F51
2017-03-27 12:27:01 C 13 49 51.250 -19 09 28.31 L F51
2017-03-27 12:55:50 C 13 49 50.278 -19 09 26.29 L F51
2018-09-22 10:28:56 C 07 45 06.12 +33 22 09.9 V 703
2018-09-22 10:36:43 C 07 45 07.07 +33 22 11.5 V 703
2018-09-22 10:44:30 C 07 45 08.11 +33 22 11.8 V 703
2018-09-22 10:52:16 C 07 45 09.22 +33 22 13.0 V 703
2018-10-12 20:09:07 C 08 42 09.11 +33 31 24.6 q D29
2018-10-12 20:39:40 C 08 42 12.10 +33 31 24.9 q D29
2018-10-28 10:04:49 C 09 13 46.80 +33 30 59.9 V 703
2018-10-28 10:11:58 C 09 13 47.23 +33 30 58.8 V 703
2018-10-28 10:19:07 C 09 13 47.81 +33 30 59.2 V 703
2018-10-28 10:26:16 C 09 13 48.24 +33 30 58.7 V 703
2018-11-06 10:38:29 S 09 27 14.57 +33 41 55.7 L C51
2018-11-06 13:46:59 S 09 27 24.62 +33 42 09.9 L C51
2018-11-06 16:55:30 S 09 27 34.66 +33 42 26.1 L C51
2018-11-06 20:03:48 S 09 27 44.66 +33 42 41.3 L C51
2018-11-06 21:38:03 S 09 27 49.63 +33 42 49.1 L C51
2018-11-06 23:12:19 S 09 27 54.62 +33 42 56.9 L C51
2018-11-07 00:46:34 S 09 27 59.56 +33 43 04.6 L C51
2018-11-07 02:20:04 S 09 28 04.42 +33 43 12.2 L C51
2018-11-07 03:54:19 S 09 28 09.40 +33 43 20.1 L C51