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
2022-10-13 17:43:25 C 18 45 19.297 +04 17 29.38 g K99
2022-10-13 17:45:25 C 18 45 19.639 +04 17 45.70 g K99
2022-10-13 17:47:25 C 18 45 19.991 +04 18 02.50 g K99
2022-10-13 17:49:24 C 18 45 20.362 +04 18 18.87 g K99
2022-10-13 17:51:24 C 18 45 20.720 +04 18 36.15 g K99
2022-10-13 17:53:24 C 18 45 21.054 +04 18 52.24 g K99
2022-10-13 17:55:24 C 18 45 21.442 +04 19 08.73 g K99
2022-10-13 17:57:24 C 18 45 21.777 +04 19 25.54 g K99
2022-10-13 17:59:25 C 18 45 22.138 +04 19 42.17 g K99
2022-10-14 23:50:46 C 18 51 10.685 +08 33 40.21 V W68
2022-10-14 23:55:20 C 18 51 11.518 +08 34 19.09 V W68
2022-10-15 00:04:35 C 18 51 13.195 +08 35 38.18 V W68
2022-10-15 00:27:23 C 18 51 17.345 +08 38 52.94 V W68
2022-10-16 04:52:52 C 18 57 02.80 +12 43 05.9 U V16
2022-10-16 04:56:30 C 18 57 03.52 +12 43 37.5 U V16
2022-10-16 05:00:21 C 18 57 04.22 +12 44 10.7 U V16
2022-10-16 05:08:00 C 18 57 05.73 +12 45 16.9 U V16
2022-10-16 05:11:41 C 18 57 08.957 +12 46 11.60 V T05
2022-10-16 05:11:50 C 18 57 06.62 +12 45 50.2 U V16
2022-10-16 05:15:40 C 18 57 07.44 +12 46 23.9 U V16
2022-10-16 05:37:51 C 18 57 13.879 +12 49 58.73 V T05
2022-10-16 06:00:56 C 18 57 18.242 +12 53 18.60 V T05
2022-10-16 17:13:37 C 18 59 40.99 +14 30 30.4 V M32
2022-10-16 17:13:50 C 18 59 41.03 +14 30 32.2 V M32
2022-10-16 17:14:03 C 18 59 41.08 +14 30 34.0 V M32
2022-10-16 17:14:29 C 18 59 41.16 +14 30 37.7 V M32
2022-10-16 17:14:42 C 18 59 41.21 +14 30 39.8 V M32
2022-10-16 17:14:54 C 18 59 41.24 +14 30 41.6 V M32
2022-10-16 17:15:07 C 18 59 41.29 +14 30 43.5 V M32
2022-10-16 17:15:20 C 18 59 41.38 +14 30 46.9 V M32
2022-10-16 17:15:33 C 18 59 41.51 +14 30 49.6 V M32
2022-10-17 06:08:56 C 19 02 25.183 +16 23 55.82 V T05
2022-10-17 06:13:30 C 19 02 26.090 +16 24 35.35 V T05
2022-10-17 06:21:19 C 19 02 27.641 +16 25 43.28 V T05
2022-10-17 06:49:28 C 19 02 33.259 +16 29 47.40 V T05
2022-10-17 12:40:18 C 19 03 50.335 +17 20 36.39 V O85
2022-10-17 12:42:49 C 19 03 50.847 +17 20 58.21 V O85
2022-10-17 12:43:58 C 19 03 51.089 +17 21 08.30 V O85
2022-10-17 12:47:39 C 19 03 51.828 +17 21 40.15 V O85
2022-10-17 12:48:49 C 19 03 52.066 +17 21 50.29 V O85
2022-10-17 12:52:29 C 19 03 52.816 +17 22 22.24 V O85
2022-10-17 12:53:39 C 19 03 53.051 +17 22 32.30 V O85
2022-10-17 12:57:19 C 19 03 53.803 +17 23 04.07 V O85
2022-10-17 13:02:09 C 19 03 54.782 +17 23 45.98 V O85
2022-10-17 13:03:19 C 19 03 55.027 +17 23 56.13 V O85
2022-10-17 13:07:00 C 19 03 55.775 +17 24 27.95 V O85
2022-10-17 13:08:09 C 19 03 56.018 +17 24 38.08 V O85
2022-10-17 13:11:50 C 19 03 56.756 +17 25 10.00 V O85
2022-10-17 13:13:00 C 19 03 57.000 +17 25 20.03 V O85
2022-10-17 13:16:40 C 19 03 57.758 +17 25 51.91 V O85