2021 WH

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7650770000
Semi-major axis (a)2.4037861000 AU
Inclination (i)6.40876000°
Long. of Asc. Node (Ω)58.82975000°
Arg. of Perihelion (ω)271.52321000°
Mean Anomaly (M)37.32929000°
Mean Motion (n)0.2644602200°/day
Perihelion dist (q)0.56470460 AU
Aphelion dist (Q)4.24286760 AU
Orbital Period3.72686560 yr
Physical Parameters
H (abs. magnitude)25.20
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.640″
Uncertainty7
Orbit TypeApollo
MOID0.000687 AU
Observations Used88
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-11-28
Observations (88)
Date Type RA Dec Mag Band Observatory
2021-11-23 21:41:20 C 02 08 34.39 +27 16 14.5 a 233
2021-11-23 21:50:02 C 02 08 56.21 +27 16 53.2 a 233
2021-11-23 21:52:25 C 02 09 06.62 +27 16 09.2 V Z80
2021-11-23 21:59:46 C 02 09 24.96 +27 16 42.2 V Z80
2021-11-23 22:02:36 C 02 09 27.39 +27 17 48.2 a 233
2021-11-23 22:06:40 C 02 09 37.38 +27 18 05.4 a 233
2021-11-23 22:06:59 C 02 09 42.81 +27 17 14.2 V Z80
2021-11-23 22:12:06 C 02 09 50.69 +27 18 28.6 a 233
2021-11-23 22:16:50 C 02 10 02.26 +27 18 48.3 a 233
2021-11-23 23:29:18 C 02 13 29.72 +27 23 32.0 Z W33
2021-11-23 23:43:20 C 02 14 01.90 +27 24 35.2 Z W33
2021-11-23 23:57:33 C 02 14 33.94 +27 25 36.1 Z W33
2021-11-24 00:23:37 C 02 15 31.69 +27 27 23.6 X W34
2021-11-24 00:31:52 C 02 15 49.60 +27 27 56.8 X W34
2021-11-24 00:41:24 C 02 16 10.19 +27 28 34.4 X W34
2021-11-24 02:11:38 C 02 19 17.36 +27 33 22.2 u H21
2021-11-24 02:14:24 C 02 19 22.85 +27 33 31.1 u H21
2021-11-24 02:17:11 C 02 19 28.32 +27 33 40.0 u H21
2021-11-24 02:19:10 C 02 19 02.07 +27 31 46.0 V 204
2021-11-24 02:22:44 C 02 19 39.23 +27 33 58.3 u H21
2021-11-24 02:26:31 C 02 19 17.00 +27 32 04.3 V 204
2021-11-24 02:33:51 C 02 19 31.86 +27 32 22.4 V 204
2021-11-24 03:24:02 C 02 21 16.88 +27 42 48.7 X Y00
2021-11-24 03:26:52 C 02 21 22.19 +27 42 55.1 X Y00
2021-11-24 03:29:38 C 02 21 27.32 +27 43 00.8 X Y00
2021-11-24 06:32:49 C 02 27 29.096 +27 46 08.67 U F51
2021-11-24 06:48:40 C 02 27 54.091 +27 46 45.89 U F51
2021-11-24 07:22:41 C 02 28 46.667 +27 48 01.28 U F51
2021-11-24 16:50:42 C 02 41 35.68 +27 57 26.5 X G02
2021-11-24 16:53:46 C 02 41 40.69 +27 57 27.9 V L06
2021-11-24 16:54:13 C 02 41 39.37 +27 57 30.6 X G02
2021-11-24 16:54:43 C 02 41 41.69 +27 57 28.9 V L06
2021-11-24 16:55:35 C 02 41 42.63 +27 57 30.2 V L06
2021-11-24 16:57:57 C 02 41 43.43 +27 57 35.8 X G02
2021-11-28 05:22:32 C 03 17 46.20 +28 10 21.3 V G96
2021-11-28 05:30:00 C 03 17 47.23 +28 10 21.5 V G96
2021-11-28 05:37:28 C 03 17 48.24 +28 10 21.2 V G96
2021-11-28 05:44:58 C 03 17 49.25 +28 10 20.8 V G96