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
2022-11-03 20:30:36 C 21 16 54.20 +60 50 31.3 X L18
2022-11-03 20:31:49 C 21 16 54.69 +60 50 34.8 X L18
2022-11-03 20:33:01 C 21 16 55.19 +60 50 38.6 X L18
2022-11-03 20:34:14 C 21 16 55.69 +60 50 41.9 X L18
2022-11-03 20:35:27 C 21 16 56.25 +60 50 45.8 X L18
2022-11-04 19:42:51 C 21 27 15.39 +61 59 35.7 V C40
2022-11-04 19:49:44 C 21 27 18.40 +61 59 54.3 V C40
2022-11-04 19:56:27 C 21 27 21.37 +62 00 12.4 V C40
2022-11-05 16:53:29 C 21 37 02.21 +62 56 46.9 V M26
2022-11-05 16:58:15 C 21 37 04.32 +62 56 59.2 V M26
2022-11-05 17:03:01 C 21 37 06.39 +62 57 11.7 V M26
2022-11-05 23:52:40 C 21 40 09.76 +63 13 50.2 X L63
2022-11-05 23:58:59 C 21 40 12.67 +63 14 04.9 X L63
2022-11-06 00:04:51 C 21 40 15.48 +63 14 18.7 X L63
2022-11-06 19:49:06 C 21 49 33.17 +64 01 07.0 V M32
2022-11-06 19:49:35 C 21 49 33.44 +64 01 07.5 V M32
2022-11-06 19:50:03 C 21 49 33.61 +64 01 08.8 V M32
2022-11-06 19:50:32 C 21 49 33.84 +64 01 09.9 V M32
2022-11-06 19:51:01 C 21 49 34.06 +64 01 10.8 V M32
2022-11-06 19:51:30 C 21 49 34.28 +64 01 11.8 V M32
2022-11-06 19:51:59 C 21 49 34.49 +64 01 13.1 V M32
2022-11-06 19:52:27 C 21 49 34.73 +64 01 14.0 V M32
2022-11-06 19:52:56 C 21 49 34.91 +64 01 15.3 V M32
2022-11-06 19:53:25 C 21 49 35.16 +64 01 16.2 V M32
2022-11-06 19:53:54 C 21 49 35.38 +64 01 17.1 V M32
2022-11-06 19:54:23 C 21 49 35.60 +64 01 18.2 V M32
2022-11-06 19:54:51 C 21 49 35.80 +64 01 19.2 V M32
2022-11-06 19:55:20 C 21 49 36.06 +64 01 20.1 V M32
2022-11-06 19:55:49 C 21 49 36.22 +64 01 21.2 V M32
2022-11-06 19:56:18 C 21 49 36.46 +64 01 22.4 V M32
2022-11-06 19:56:47 C 21 49 36.70 +64 01 23.3 V M32
2022-11-06 19:57:15 C 21 49 36.91 +64 01 24.3 V M32
2022-11-06 19:57:44 C 21 49 37.13 +64 01 25.2 V M32
2022-11-06 19:58:13 C 21 49 37.38 +64 01 26.2 V M32
2022-11-06 19:58:42 C 21 49 37.57 +64 01 27.5 V M32
2022-11-06 19:59:10 C 21 49 37.80 +64 01 28.7 V M32
2022-11-06 19:59:39 C 21 49 37.99 +64 01 29.5 V M32
2022-11-06 20:00:08 C 21 49 38.22 +64 01 30.8 V M32
2022-11-06 20:00:37 C 21 49 38.44 +64 01 31.6 V M32
2022-11-06 20:01:06 C 21 49 38.68 +64 01 32.7 V M32
2022-11-06 20:01:34 C 21 49 38.89 +64 01 33.5 V M32
2022-11-06 20:02:03 C 21 49 39.09 +64 01 34.6 V M32
2022-11-06 20:02:32 C 21 49 39.32 +64 01 35.8 V M32
2022-11-06 20:03:01 C 21 49 39.50 +64 01 37.0 V M32
2022-11-08 18:17:44 C 22 11 53.392 +65 33 08.02 q L92
2022-11-08 18:18:51 C 22 11 53.910 +65 33 10.17 q L92
2022-11-08 18:19:59 C 22 11 54.497 +65 33 11.57 q L92
2022-11-08 18:21:06 C 22 11 55.013 +65 33 13.91 q L92
2022-11-08 18:22:14 C 22 11 55.563 +65 33 17.04 q L92
2022-11-08 18:23:22 C 22 11 56.062 +65 33 18.32 q L92