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 07:57:17 C 10 36 43.98 -21 14 27.4 V T05
2021-04-17 08:01:53 C 10 37 04.10 -21 15 29.0 V T05
2021-04-17 08:11:08 C 10 37 44.81 -21 17 32.8 V T05
2021-04-17 08:25:37 C 10 38 49.11 -21 20 44.9 V T05
2021-04-17 11:06:37 C 10 51 35.19 -21 53 34.5 V T08
2021-04-17 11:07:13 C 10 51 39.65 -21 54 11.9 V T05
2021-04-17 11:07:17 C 10 51 38.57 -21 53 42.0 V T08
2021-04-17 11:07:52 C 10 51 42.95 -21 54 19.3 V T05
2021-04-17 11:07:57 C 10 51 42.02 -21 53 49.6 V T08
2021-04-17 11:08:32 C 10 51 46.35 -21 54 27.0 V T05
2021-04-17 11:08:36 C 10 51 45.36 -21 53 57.7 V T08
2021-04-17 11:09:11 C 10 51 49.72 -21 54 34.8 V T05
2021-04-17 11:09:16 C 10 51 48.80 -21 54 05.3 V T08
2021-04-17 11:09:51 C 10 51 53.06 -21 54 42.3 V T05
2021-04-17 18:48:29 C 11 41 43.55 -23 35 11.3 V 595
2021-04-17 18:55:00 C 11 42 27.96 -23 36 19.4 V 595
2021-04-17 18:58:15 C 11 42 50.23 -23 36 53.4 V 595
2021-04-17 19:01:11 C 11 43 10.27 -23 37 23.3 V 595
2021-04-17 19:07:35 C 11 43 59.03 -23 37 51.1 V G17
2021-04-17 19:08:34 C 11 44 05.75 -23 38 01.1 V G17
2021-04-17 19:09:33 C 11 44 12.57 -23 38 11.6 V G17
2021-04-17 20:23:51 C 11 52 53.50 -23 49 59.9 V 203
2021-04-17 20:26:11 C 11 53 20.94 -23 50 46.6 V J95
2021-04-17 20:27:33 C 11 53 30.83 -23 50 58.8 V J95
2021-04-17 20:28:24 C 11 53 25.84 -23 50 38.2 V 203
2021-04-17 20:31:57 C 11 54 02.44 -23 51 36.1 V J95
2021-04-17 20:33:20 C 11 54 12.36 -23 51 47.7 V J95
2021-04-17 20:37:58 C 11 54 34.03 -23 51 56.5 V 203
2021-04-17 20:42:14 C 11 55 04.55 -23 52 30.9 V 203
2021-04-17 20:51:24 C 11 56 10.51 -23 53 46.7 V 204
2021-04-17 20:54:58 C 11 56 36.16 -23 54 13.7 V 204
2021-04-17 20:58:32 C 11 57 01.94 -23 54 41.2 V 204
2021-04-17 21:02:06 C 11 57 27.73 -23 55 08.0 V 204
2021-04-17 21:05:39 C 11 57 53.41 -23 55 34.1 V 204
2021-04-17 21:17:59 C 11 59 19.43 -23 56 41.6 160
2021-04-17 21:18:45 C 11 59 25.28 -23 56 44.7 V 160
2021-04-17 21:19:12 C 11 59 28.60 -23 56 49.4 160
2021-04-17 21:20:13 C 11 59 35.85 -23 56 56.4 V 160
2021-04-17 21:21:10 C 11 59 42.92 -23 57 01.7 160
2021-04-17 21:22:30 C 11 59 52.42 -23 57 10.6 V 160
2021-04-17 21:22:58 C 11 59 55.95 -23 57 15.6 160
2021-04-17 21:28:46 C 12 00 33.26 -23 58 09.5 V L01
2021-04-17 21:31:51 C 12 00 55.91 -23 58 30.1 V L01
2021-04-17 21:33:06 C 12 01 05.03 -23 58 38.3 V L01
2021-04-17 21:35:30 C 12 03 11.28 -23 26 54.6 X Y00
2021-04-17 21:37:09 C 12 03 23.52 -23 27 08.4 X Y00
2021-04-17 21:38:48 C 12 03 35.76 -23 27 22.0 X Y00
2021-04-17 21:40:24 C 12 03 47.77 -23 27 34.6 X Y00
2021-04-17 21:42:01 C 12 03 59.76 -23 27 48.1 X Y00
2021-04-17 22:30:03 C 12 10 11.84 -23 25 44.3 V X31