2021 HM2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4684702000
Semi-major axis (a)1.1356423000 AU
Inclination (i)11.47701000°
Long. of Asc. Node (Ω)216.56828000°
Arg. of Perihelion (ω)103.49002000°
Mean Anomaly (M)229.74678000°
Mean Motion (n)0.8144073900°/day
Perihelion dist (q)0.60362770 AU
Aphelion dist (Q)1.66765690 AU
Orbital Period1.21021450 yr
Physical Parameters
H (abs. magnitude)23.99
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.660″
Uncertainty6
Orbit TypeApollo
MOID0.004155 AU
Observations Used58
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-04-25
Observations (61)
Date Type RA Dec Mag Band Observatory
2021-04-19 04:21:03 C 13 23 03.43 -35 22 39.9 V W94
2021-04-19 04:28:58 C 13 23 00.63 -35 22 37.7 V W94
2021-04-19 04:36:51 C 13 22 57.79 -35 22 34.4 V W94
2021-04-19 05:11:25 C 13 22 45.42 -35 22 19.1 V W95
2021-04-19 05:19:01 C 13 22 42.69 -35 22 15.6 V W95
2021-04-19 05:26:35 C 13 22 39.96 -35 22 12.0 V W95
2021-04-19 09:16:16 C 13 21 34.67 -35 19 43.4 V 474
2021-04-19 09:19:20 C 13 21 33.59 -35 19 42.6 V 474
2021-04-19 09:22:24 C 13 21 32.49 -35 19 41.9 V 474
2021-04-20 01:47:17 C 13 15 30.19 -35 12 45.7 X Y00
2021-04-20 01:48:05 C 13 15 29.84 -35 12 45.8 X Y00
2021-04-20 01:52:18 C 13 15 28.00 -35 12 43.5 X Y00
2021-04-20 04:42:32 C 13 14 14.39 -35 10 52.0 V W95
2021-04-20 04:50:11 C 13 14 10.85 -35 10 46.4 V W95
2021-04-20 04:57:47 C 13 14 07.31 -35 10 40.9 V W95
2021-04-21 00:09:21 C 13 05 13.65 -34 54 13.5 q X31
2021-04-21 00:20:02 C 13 05 07.49 -34 54 05.2 q X31
2021-04-21 00:30:40 C 13 05 01.29 -34 53 56.7 q X31
2021-04-21 05:27:51 C 13 02 00.76 -34 49 07.3 V W95
2021-04-21 05:35:27 C 13 01 55.94 -34 48 56.8 V W95
2021-04-21 05:43:06 C 13 01 51.08 -34 48 46.4 V W95
2021-04-23 09:56:34 C 12 13 32.16 -32 32 40.1 V T08
2021-04-23 10:01:58 C 12 13 23.88 -32 32 09.8 V T08
2021-04-23 10:41:14 C 12 12 22.89 -32 28 23.1 V T08
2021-04-23 10:49:55 C 12 12 09.40 -32 27 31.0 V T08
2021-04-24 21:16:46 C 10 55 35.54 -25 53 26.7 q 160
2021-04-24 21:22:06 C 10 55 23.44 -25 51 56.7 V J95
2021-04-24 21:23:15 C 10 55 13.67 -25 51 07.7 q 160
2021-04-24 21:25:09 C 10 55 07.34 -25 50 25.9 q 160
2021-04-24 21:25:41 C 10 55 03.24 -25 49 51.1 Z L34
2021-04-24 21:26:55 C 10 55 01.42 -25 49 47.2 q 160
2021-04-24 21:31:30 C 10 54 43.78 -25 47 43.8 Z L34
2021-04-24 21:40:07 C 10 54 23.00 -25 45 27.7 V J95
2021-04-24 21:55:11 C 10 53 32.20 -25 39 56.0 V J95
2021-04-24 22:11:18 C 10 52 37.57 -25 33 58.6 V J95
2021-04-25 01:48:07 C 10 40 14.19 -23 58 10.2 V W88
2021-04-25 02:00:04 C 10 39 29.59 -23 52 57.5 V W88
2021-04-25 02:12:50 C 10 38 41.72 -23 47 19.1 V W88
2021-04-25 03:23:30 C 10 34 12.72 -23 15 31.9 u 807
2021-04-25 03:27:42 C 10 33 56.63 -23 13 33.8 u 807
2021-04-25 03:32:02 C 10 33 39.94 -23 11 31.1 u 807
2021-04-25 03:36:12 C 10 33 23.87 -23 09 32.7 u 807
2021-04-25 04:20:51 C 10 30 50.66 -22 57 20.2 V I52
2021-04-25 04:23:55 C 10 30 38.57 -22 55 51.9 V I52
2021-04-25 04:26:59 C 10 30 26.47 -22 54 23.4 V I52
2021-04-25 04:30:03 C 10 30 14.36 -22 52 54.6 V I52
2021-04-25 19:04:19 C 09 26 10.75 -13 35 44.9 V 595
2021-04-25 19:08:14 C 09 25 50.78 -13 32 35.2 V 595
2021-04-25 19:19:58 C 09 24 50.86 -13 23 04.2 V 595
2021-04-25 19:41:12 C 09 23 04.09 -13 06 11.3 V 033