2021 HM

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4411661000
Semi-major axis (a)1.8019748000 AU
Inclination (i)4.92676000°
Long. of Asc. Node (Ω)208.73574000°
Arg. of Perihelion (ω)356.09109000°
Mean Anomaly (M)324.77855000°
Mean Motion (n)0.4074562700°/day
Perihelion dist (q)1.00700460 AU
Aphelion dist (Q)2.59694500 AU
Orbital Period2.41892870 yr
Physical Parameters
H (abs. magnitude)25.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.660″
Uncertainty5
Orbit TypeAmor
MOID0.003101 AU
Observations Used144
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-04-24
Observations (153)
Date Type RA Dec Mag Band Observatory
2021-04-17 22:30:48 C 12 10 17.56 -23 25 49.4 V X31
2021-04-17 22:31:35 C 12 10 23.56 -23 25 54.7 V X31
2021-04-17 22:32:23 C 12 10 29.72 -23 26 00.3 V X31
2021-04-17 22:33:09 C 12 10 35.66 -23 26 05.7 V X31
2021-04-17 22:33:55 C 12 10 41.49 -23 26 10.6 V X31
2021-04-17 22:34:45 C 12 10 47.95 -23 26 16.5 V X31
2021-04-17 22:52:20 C 12 11 00.06 -24 05 23.4 V 104
2021-04-17 22:56:25 C 12 11 31.70 -24 05 41.8 V K63
2021-04-17 22:58:58 C 12 11 51.17 -24 05 51.5 V K63
2021-04-17 23:04:32 C 12 12 33.46 -24 06 14.3 V K63
2021-04-17 23:06:56 C 12 12 51.07 -24 06 19.9 V 104
2021-04-17 23:08:40 C 12 13 04.45 -24 06 25.7 V 104
2021-04-18 08:41:17 C 13 37 08.91 -23 18 36.0 V T05
2021-04-18 08:41:54 C 13 37 13.04 -23 18 01.9 V T08
2021-04-18 08:44:38 C 13 37 37.40 -23 17 54.3 V T05
2021-04-18 08:48:37 C 13 38 11.11 -23 17 04.1 V T05
2021-04-18 08:50:53 C 13 38 29.34 -23 16 08.5 V T08
2021-04-18 08:51:16 C 13 38 33.62 -23 16 30.3 V T05
2021-04-18 08:53:57 C 13 38 56.37 -23 15 55.9 V T05
2021-04-18 08:56:36 C 13 39 18.90 -23 15 21.5 V T05
2021-04-18 09:00:00 C 13 39 46.52 -23 14 10.1 V T08
2021-04-18 09:09:12 C 13 41 04.38 -23 12 06.9 V T08
2021-04-18 13:00:52 C 14 15 42.69 -22 06 59.6 r P93
2021-04-18 13:01:39 C 14 15 49.28 -22 06 43.0 r P93
2021-04-18 13:02:27 C 14 15 55.85 -22 06 26.8 r P93
2021-04-18 13:04:02 C 14 16 08.93 -22 05 57.4 r P93
2021-04-18 13:53:55 C 14 22 25.01 -21 15 40.1 q E23
2021-04-18 13:57:55 C 14 22 57.26 -21 14 12.4 q E23
2021-04-18 13:59:34 C 14 23 10.72 -21 13 35.4 q E23
2021-04-18 14:01:14 C 14 23 24.17 -21 12 58.5 q E23
2021-04-18 14:02:55 C 14 23 37.61 -21 12 21.6 q E23
2021-04-18 14:04:35 C 14 23 51.04 -21 11 44.5 q E23
2021-04-18 14:18:38 C 14 26 18.45 -21 39 53.8 r P93
2021-04-18 14:19:26 C 14 26 24.88 -21 39 37.8 r P93
2021-04-18 14:20:13 C 14 26 31.18 -21 39 20.2 r P93
2021-04-18 14:21:01 C 14 26 37.55 -21 39 02.7 r P93
2021-04-18 14:21:48 C 14 26 43.97 -21 38 44.9 r P93
2021-04-18 14:38:50 C 14 28 55.58 -21 32 33.3 q 900
2021-04-18 14:39:58 C 14 29 04.57 -21 32 08.3 q 900
2021-04-18 14:41:05 C 14 29 13.51 -21 31 42.2 q 900
2021-04-18 15:26:10 C 14 35 10.38 -21 14 00.3 q 900
2021-04-18 15:27:17 C 14 35 19.24 -21 13 33.0 q 900
2021-04-18 15:28:25 C 14 35 28.00 -21 13 05.5 q 900
2021-04-18 23:11:32 C 15 34 05.14 -17 45 11.6 q J69
2021-04-18 23:16:09 C 15 34 34.68 -17 43 03.0 q J69
2021-04-18 23:18:30 C 15 34 49.67 -17 41 58.1 q J69
2021-04-19 00:42:42 C 15 43 31.77 -17 02 46.1 V J95
2021-04-19 00:43:56 C 15 43 39.15 -17 02 11.1 V J95
2021-04-19 00:45:05 C 15 43 46.07 -17 01 39.0 V J95
2021-04-19 00:46:15 C 15 43 53.12 -17 01 06.0 V J95