IAA RAS IAA Minor Planet Database

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 05:34:00 C 00 56 35.514 +24 00 52.09 – V F52
2021-11-23 05:53:11 C 00 58 52.916 +24 09 46.65 – V F52
2021-11-23 08:34:37 C 01 16 06.51 +25 11 12.3 – V T08
2021-11-23 08:38:36 C 01 16 29.76 +25 12 27.9 – V T08
2021-11-23 08:51:54 C 01 17 45.63 +25 16 30.0 – V T08
2021-11-23 09:06:35 C 01 19 08.09 +25 20 46.6 – V T08
2021-11-23 17:11:18 C 01 55 33.48 +26 48 50.1 – o K88
2021-11-23 17:11:46 C 01 55 34.96 +26 48 53.1 – o K88
2021-11-23 17:12:13 C 01 55 36.46 +26 48 57.2 – o K88
2021-11-23 17:12:40 C 01 55 37.89 +26 49 00.8 – o K88
2021-11-23 17:13:06 C 01 55 39.36 +26 49 03.8 – o K88
2021-11-23 17:14:01 C 01 55 42.35 +26 49 11.1 – o K88
2021-11-23 17:14:28 C 01 55 43.79 +26 49 14.7 – o K88
2021-11-23 17:26:18 C 01 56 22.49 +26 50 44.2 – o K88
2021-11-23 17:26:45 C 01 56 23.96 +26 50 47.4 – o K88
2021-11-23 17:27:11 C 01 56 25.43 +26 50 51.1 – o K88
2021-11-23 17:27:38 C 01 56 26.88 +26 50 54.3 – o K88
2021-11-23 17:28:05 C 01 56 28.34 +26 50 57.5 – o K88
2021-11-23 17:28:33 C 01 56 29.82 +26 51 01.1 – o K88
2021-11-23 17:28:59 C 01 56 31.23 +26 51 04.2 – o K88
2021-11-23 17:29:26 C 01 56 32.66 +26 51 07.7 – o K88
2021-11-23 18:44:07 C 02 00 27.86 +26 59 57.8 – V L01
2021-11-23 18:49:54 C 02 00 45.03 +27 00 35.7 – V L01
2021-11-23 18:52:24 C 02 00 52.42 +27 00 51.2 – V L01
2021-11-23 18:55:37 C 02 01 02.00 +27 01 11.9 – V L01
2021-11-23 18:59:03 C 02 01 12.04 +27 01 33.6 – V L01
2021-11-23 19:23:39 C 02 02 23.47 +27 03 59.9 – X 595
2021-11-23 19:26:41 C 02 02 32.20 +27 04 18.2 – X 595
2021-11-23 19:29:43 C 02 02 40.87 +27 04 36.2 – X 595
2021-11-23 19:36:35 C 02 03 01.79 +27 05 28.6 – V 104
2021-11-23 19:43:52 C 02 03 22.37 +27 06 11.4 – V 104
2021-11-23 19:51:07 C 02 03 42.66 +27 06 52.6 – V 104
2021-11-23 19:55:23 C 02 03 57.81 +27 06 11.3 – q J69
2021-11-23 19:57:26 C 02 03 59.57 +27 07 13.5 – V K51
2021-11-23 19:58:48 C 02 04 03.34 +27 07 21.2 – V K51
2021-11-23 19:59:08 C 02 04 08.21 +27 06 33.1 – q J69
2021-11-23 20:00:10 C 02 04 07.13 +27 07 28.8 – V K51
2021-11-23 20:02:53 C 02 04 18.66 +27 06 55.0 – q J69
2021-11-23 20:06:38 C 02 04 29.01 +27 07 15.7 – q J69
2021-11-23 20:10:24 C 02 04 39.45 +27 07 37.3 – q J69
2021-11-23 20:14:09 C 02 04 49.74 +27 07 58.1 – q J69
2021-11-23 20:21:37 C 02 05 10.16 +27 08 39.0 – q J69
2021-11-23 20:34:15 C 02 05 36.34 +27 10 19.7 – o K88
2021-11-23 20:34:39 C 02 05 37.44 +27 10 21.3 – o K88
2021-11-23 20:35:04 C 02 05 38.53 +27 10 24.1 – o K88
2021-11-23 20:35:28 C 02 05 39.66 +27 10 25.7 – o K88
2021-11-23 20:49:07 C 02 06 15.95 +27 11 34.7 – o K88
2021-11-23 20:49:31 C 02 06 17.01 +27 11 36.3 – o K88
2021-11-23 20:49:56 C 02 06 18.10 +27 11 38.7 – o K88
2021-11-23 20:50:21 C 02 06 19.18 +27 11 40.6 – o K88