2012 HM

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1975731000
Semi-major axis (a)1.1752791000 AU
Inclination (i)7.14727000°
Long. of Asc. Node (Ω)38.99602000°
Arg. of Perihelion (ω)230.24086000°
Mean Anomaly (M)198.11101000°
Mean Motion (n)0.7735574400°/day
Perihelion dist (q)0.94307560 AU
Aphelion dist (Q)1.40748260 AU
Orbital Period1.27412350 yr
Physical Parameters
H (abs. magnitude)24.11
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.500″
Uncertainty0
Orbit TypeApollo
MOID0.003083 AU
Observations Used518
Radar Obs Used3
Oppositions2
Arc Total2012-2026
First Observation Used
Last Observation Used2026-03-09
Observations (524)
Date Type RA Dec Mag Band Observatory
2012-04-23 19:52:44 C 13 48 09.14 +37 29 36.2 u C73
2012-04-23 19:53:54 C 13 48 08.71 +37 29 42.6 u C73
2012-04-23 23:07:22 C 13 47 18.49 +37 52 11.4 u 954
2012-04-24 04:52:49 C 13 45 40.10 +38 28 26.0 16.7 r 718
2012-04-24 05:04:46 C 13 45 34.79 +38 29 56.9 16.6 r 718
2012-04-24 05:15:54 C 13 45 29.83 +38 31 20.8 16.5 r 718
2012-04-24 05:27:01 C 13 45 24.73 +38 32 45.5 16.7 r 718
2012-04-24 07:06:22 C 13 44 24.13 +38 45 40.1 u H45
2012-04-24 07:07:58 C 13 44 23.31 +38 45 51.1 u H45
2012-04-24 07:09:36 C 13 44 22.51 +38 46 02.3 u H45
2012-04-24 07:11:17 C 13 44 21.68 +38 46 13.8 u H45
2012-04-24 07:12:53 C 13 44 20.89 +38 46 24.7 u H45
2012-04-24 07:23:07 C 13 44 15.87 +38 47 34.3 u H45
2012-04-24 07:27:09 C 13 44 13.88 +38 48 01.8 u H45
2012-04-24 20:35:21 C 13 39 49.47 +40 33 59.0 t J84
2012-04-24 20:42:50 C 13 39 45.24 +40 35 15.7 t J84
2012-04-24 20:50:20 C 13 39 40.96 +40 36 32.2 t J84
2012-04-24 21:00:41 C 13 39 37.41 +40 39 25.5 v I93
2012-04-24 21:09:50 C 13 39 31.89 +40 40 59.9 v I93
2012-04-24 21:18:58 C 13 39 26.32 +40 42 34.3 v I93
2012-04-24 21:32:57 C 13 39 17.70 +40 44 58.1 v I93
2012-04-25 02:43:20 C 13 37 07.37 +41 37 46.3 o G48
2012-04-25 02:43:54 C 13 37 07.02 +41 37 53.4 o G48
2012-04-25 02:44:27 C 13 37 06.71 +41 38 00.1 o G48
2012-04-25 02:45:02 C 13 37 06.30 +41 38 06.6 o G48
2012-04-25 02:46:08 C 13 37 05.57 +41 38 20.7 o G48
2012-04-25 03:04:18 C 13 35 32.14 +41 38 52.2 t 204
2012-04-25 03:06:08 C 13 35 30.97 +41 39 09.6 t 204
2012-04-25 03:07:56 C 13 35 29.83 +41 39 26.9 t 204
2012-04-25 03:09:46 C 13 35 28.67 +41 39 44.4 t 204
2012-04-25 03:11:36 C 13 35 27.51 +41 40 01.8 t 204
2012-04-25 03:29:13 C 13 36 36.58 +41 47 07.0 o G48
2012-04-25 03:30:00 C 13 36 36.04 +41 47 16.8 o G48
2012-04-25 03:30:47 C 13 36 35.48 +41 47 28.1 o G48
2012-04-25 04:16:05 C 13 35 59.56 +41 56 43.6 u I50
2012-04-25 04:16:19 C 13 35 59.40 +41 56 46.2 u I50
2012-04-25 04:16:32 C 13 35 59.27 +41 56 49.1 u I50
2012-04-25 04:16:44 C 13 35 59.10 +41 56 51.3 u I50
2012-04-25 04:17:11 C 13 35 58.68 +41 56 57.4 u I50
2012-04-25 04:17:24 C 13 35 58.55 +41 56 59.8 u I50
2012-04-25 04:17:38 C 13 35 58.38 +41 57 02.2 u I50
2012-04-25 04:17:50 C 13 35 58.21 +41 57 05.2 u I50
2012-04-25 04:18:03 C 13 35 58.03 +41 57 07.6 u I50
2012-04-25 04:18:19 C 13 35 57.90 +41 57 10.7 u I50
2012-04-25 04:18:32 C 13 35 57.73 +41 57 13.5 u I50
2012-04-25 04:18:46 C 13 35 57.55 +41 57 16.0 u I50
2012-04-25 04:19:11 C 13 35 57.22 +41 57 21.5 u I50
2012-04-25 04:19:25 C 13 35 57.02 +41 57 23.9 u I50
2012-04-25 04:19:38 C 13 35 56.83 +41 57 27.0 u I50
2012-04-25 04:19:51 C 13 35 56.69 +41 57 29.7 u I50
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2012-04-27 22:00:00 172250.326 0.4 Hz 8560 -13 -14
2012-04-27 22:30:00 165805.485 0.2 Hz 8560 -13 -14
2012-04-27 23:10:00 156627.793 0.1 Hz 8560 -13 -14
Station codes
-14 DSS-14 Goldstone (70-m) -13 DSS-13 Goldstone (34-m)