2021 WH3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3015802253 ± 1.29e-04
Semi-major axis (a)0.8789014088 AU ± 1.66e-05
Inclination (i)4.68271376° ± 2.28e-03
Long. of Asc. Node (Ω)237.78067727° ± 4.03e-04
Arg. of Perihelion (ω)55.58817541° ± 1.06e-03
Mean Anomaly (M)41.02981949° ± 3.60e-02
Mean Motion (n)1.1961951445°/day ± 3.39e-05
Perihelion dist (q)0.61384212 AU ± 1.14e-04
Aphelion dist (Q)1.14396069 AU ± 1.16e-04
Orbital Period0.82396780 yr ± 2.34e-05
Physical Parameters
H (abs. magnitude)25.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.350″
Uncertainty2
Orbit TypeAten
MOID0.006761 AU
Observations Used41
Oppositions1
Arc Total2021-2021
First Observation Used2021-11-29
Last Observation Used2021-12-12
Observations (41)
Date Type RA Dec Mag Band Observatory
2021-11-29 06:53:39 C 03 52 14.75 -10 31 02.2 V 703
2021-11-29 07:01:13 C 03 52 09.89 -10 30 18.9 V 703
2021-11-29 07:08:48 C 03 52 05.17 -10 29 36.3 V 703
2021-11-29 07:16:22 C 03 52 00.51 -10 28 53.0 V 703
2021-11-29 09:09:13 C 03 50 52.03 -10 18 16.0 V I52
2021-11-29 09:09:34 C 03 50 51.82 -10 18 14.0 V I52
2021-11-29 09:09:55 C 03 50 51.63 -10 18 11.6 V I52
2021-11-29 09:10:17 C 03 50 51.39 -10 18 10.0 V I52
2021-11-29 21:52:13 C 03 45 05.70 -09 15 22.0 V L01
2021-11-29 21:54:27 C 03 45 04.69 -09 15 12.6 V L01
2021-11-29 21:56:41 C 03 45 03.58 -09 15 02.1 V L01
2021-11-29 21:58:55 C 03 45 02.45 -09 14 51.8 V L01
2021-11-29 22:00:58 C 03 45 01.44 -09 14 42.2 V L01
2021-11-29 23:18:25 C 03 44 27.33 -09 08 48.6 V I93
2021-11-29 23:22:37 C 03 44 25.31 -09 08 29.1 V I93
2021-11-29 23:26:39 C 03 44 23.34 -09 08 11.7 V I93
2021-11-29 23:29:23 C 03 44 19.85 -09 08 02.8 V 204
2021-11-29 23:40:37 C 03 44 14.49 -09 07 11.7 V 204
2021-11-29 23:54:20 C 03 44 08.00 -09 06 09.6 V 204
2021-11-30 03:18:36 C 03 42 52.80 -08 45 28.5 u 807
2021-11-30 03:23:01 C 03 42 50.71 -08 45 10.4 u 807
2021-11-30 03:27:31 C 03 42 48.62 -08 44 51.1 u 807
2021-11-30 03:41:35 C 03 42 51.41 -08 48 56.9 X 858
2021-11-30 03:59:53 C 03 42 43.17 -08 47 40.6 X 858
2021-11-30 04:18:12 C 03 42 34.89 -08 46 25.1 X 858
2021-12-01 06:15:49 C 03 33 57.93 -07 12 45.6 V I52
2021-12-01 06:24:03 C 03 33 55.13 -07 12 20.6 V I52
2021-12-01 06:26:52 C 03 33 54.19 -07 12 11.8 V I52
2021-12-01 06:39:46 C 03 33 49.85 -07 11 31.7 V I52
2021-12-03 02:26:37 C 03 24 29.65 -05 19 24.4 u 807
2021-12-03 02:30:31 C 03 24 28.79 -05 19 16.6 u 807
2021-12-03 02:34:23 C 03 24 27.95 -05 19 09.1 u 807
2021-12-05 03:13:19 C 03 17 55.27 -03 58 15.5 u 807
2021-12-05 03:21:08 C 03 17 54.13 -03 58 05.0 u 807
2021-12-05 03:28:55 C 03 17 52.98 -03 57 54.2 u 807
2021-12-08 09:10:35 C 03 11 49.58 -02 32 23.5 o 691
2021-12-08 09:25:34 C 03 11 48.52 -02 32 08.7 o 691
2021-12-08 09:40:34 C 03 11 47.41 -02 31 54.7 o 691
2021-12-12 04:00:13 C 03 08 27.54 -01 18 33.7 V 807
2021-12-12 04:08:11 C 03 08 27.17 -01 18 27.8 V 807
2021-12-12 04:16:10 C 03 08 26.79 -01 18 22.5 V 807