2021 HM1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2348313980 ± 3.97e-05
Semi-major axis (a)1.4707198812 AU ± 9.35e-05
Inclination (i)15.75882294° ± 1.67e-03
Long. of Asc. Node (Ω)40.56161425° ± 2.47e-04
Arg. of Perihelion (ω)177.81504846° ± 4.74e-04
Mean Anomaly (M)199.96394089° ± 8.82e-02
Mean Motion (n)0.5526082080°/day ± 5.27e-05
Perihelion dist (q)1.12534868 AU ± 9.23e-05
Aphelion dist (Q)1.81609109 AU ± 1.29e-04
Orbital Period1.78358966 yr ± 1.70e-04
Physical Parameters
H (abs. magnitude)24.62
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.322″
Uncertainty2
Orbit TypeAmor
MOID0.117461 AU
Observations Used36
Oppositions1
Arc Total2021-2021
First Observation Used2021-04-17
Last Observation Used2021-05-22
Observations (36)
Date Type RA Dec Mag Band Observatory
2021-04-17 07:25:37 C 14 00 24.35 +22 09 25.3 V G96
2021-04-17 07:34:04 C 14 00 23.40 +22 08 57.0 V G96
2021-04-17 07:50:59 C 14 00 21.41 +22 07 59.2 V G96
2021-04-18 09:29:01 C 13 57 42.62 +20 37 45.1 V G96
2021-04-18 09:37:22 C 13 57 41.65 +20 37 14.9 V G96
2021-04-18 09:45:44 C 13 57 40.63 +20 36 43.8 V G96
2021-04-18 11:00:11 C 13 57 32.10 +20 32 10.4 V I52
2021-04-18 11:06:50 C 13 57 31.38 +20 31 44.8 V I52
2021-04-18 11:13:28 C 13 57 30.56 +20 31 21.2 V I52
2021-04-19 05:17:04 C 13 55 40.07 +19 25 36.0 V 807
2021-04-19 05:25:31 C 13 55 39.05 +19 25 04.1 V 807
2021-04-19 05:33:58 C 13 55 38.05 +19 24 32.4 V 807
2021-04-19 05:41:09 C 13 55 39.71 +19 23 03.3 V V06
2021-04-19 05:46:19 C 13 55 39.08 +19 22 43.6 V V06
2021-04-19 05:51:29 C 13 55 38.48 +19 22 24.6 V V06
2021-04-19 05:56:38 C 13 55 37.83 +19 22 04.4 V V06
2021-04-29 21:51:51 C 13 27 11.26 -00 32 48.8 V 033
2021-04-29 21:54:41 C 13 27 10.91 -00 33 03.9 V 033
2021-04-29 21:57:30 C 13 27 10.54 -00 33 19.1 V 033
2021-04-29 22:00:20 C 13 27 10.20 -00 33 34.1 V 033
2021-05-01 05:17:21 C 13 23 41.35 -03 20 39.7 V G96
2021-05-01 05:25:21 C 13 23 40.32 -03 21 22.9 V G96
2021-05-01 05:33:22 C 13 23 39.34 -03 22 05.6 V G96
2021-05-01 05:41:22 C 13 23 38.29 -03 22 48.1 V G96
2021-05-01 07:27:34 C 13 23 24.69 -03 32 19.2 V I52
2021-05-01 07:37:47 C 13 23 23.42 -03 33 14.4 V I52
2021-05-05 09:31:31 C 13 12 52.02 -12 15 57.0 V 474
2021-05-05 09:34:58 C 13 12 51.61 -12 16 15.4 V 474
2021-05-05 09:41:53 C 13 12 50.77 -12 16 52.9 V 474
2021-05-06 04:54:09 C 13 10 51.52 -13 58 49.9 V I52
2021-05-06 05:02:56 C 13 10 50.45 -13 59 35.5 V I52
2021-05-06 05:07:46 C 13 10 49.87 -14 00 00.8 V I52
2021-05-06 05:12:36 C 13 10 49.27 -14 00 25.9 V I52
2021-05-22 00:54:52 C 12 42 47.72 -39 50 04.8 V 807
2021-05-22 01:07:06 C 12 42 47.02 -39 50 39.9 V 807
2021-05-22 01:18:47 C 12 42 46.38 -39 51 13.7 V 807