2021 WH2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1723841933 ± 7.03e-05
Semi-major axis (a)0.9465900107 AU ± 4.75e-06
Inclination (i)10.86223763° ± 5.49e-03
Long. of Asc. Node (Ω)65.46440416° ± 8.11e-05
Arg. of Perihelion (ω)121.12868244° ± 3.52e-03
Mean Anomaly (M)13.93898822° ± 8.04e-03
Mean Motion (n)1.0702109756°/day ± 8.06e-06
Perihelion dist (q)0.78341286 AU ± 6.67e-05
Aphelion dist (Q)1.10976717 AU ± 6.68e-05
Orbital Period0.92096447 yr ± 6.94e-06
Physical Parameters
H (abs. magnitude)28.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.290″
Uncertainty1
Orbit TypeAten
MOID0.015975 AU
Observations Used23
Oppositions1
Arc Total2021-2021
First Observation Used2021-11-28
Last Observation Used2021-11-29
Observations (24)
Date Type RA Dec Mag Band Observatory
2021-11-28 06:55:21 C 04 31 37.46 +26 37 06.8 V G96
2021-11-28 07:02:45 C 04 31 29.69 +26 39 59.8 V G96
2021-11-28 07:10:12 C 04 31 21.97 +26 42 52.7 V G96
2021-11-28 07:17:37 C 04 31 14.27 +26 45 45.0 V G96
2021-11-28 09:19:09 C 04 29 05.29 +27 32 55.5 V I52
2021-11-28 09:19:23 C 04 29 05.05 +27 33 01.0 V I52
2021-11-28 09:19:38 C 04 29 04.80 +27 33 06.2 V I52
2021-11-28 09:19:52 C 04 29 04.52 +27 33 12.1 V I52
2021-11-28 22:48:47 C 04 14 50.25 +33 09 11.6 V 033
2021-11-28 22:49:32 C 04 14 49.33 +33 09 30.6 V 033
2021-11-28 23:54:38 C 04 13 27.37 +33 39 09.6 V I93
2021-11-28 23:58:32 C 04 13 22.02 +33 40 53.1 V I93
2021-11-29 00:02:21 C 04 13 16.76 +33 42 34.9 V I93
2021-11-29 00:14:11 C 04 13 00.57 +33 47 49.1 V I93
2021-11-29 00:16:24 C 04 12 57.53 +33 48 47.9 V I93
2021-11-29 00:18:33 C 04 12 54.57 +33 49 44.9 V I93
2021-11-29 03:43:26 C 04 09 01.34 +35 22 17.9 V I52
2021-11-29 03:43:41 C 04 09 00.99 +35 22 24.3 V I52
2021-11-29 03:43:55 C 04 09 00.69 +35 22 30.8 V I52
2021-11-29 03:44:10 C 04 09 00.33 +35 22 38.6 V I52
2021-11-29 05:12:05 C 04 06 47.89 +36 03 32.3 X 858
2021-11-29 05:14:10 C 04 06 44.80 +36 04 30.1 X 858
2021-11-29 05:16:23 C 04 06 41.41 +36 05 31.8 X 858
2021-11-29 05:18:40 C 04 06 37.93 +36 06 36.0 X 858