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
2012-04-25 22:51:03 C 13 20 44.78 +46 14 35.4 u 089
2012-04-25 22:53:54 C 13 20 41.07 +46 15 22.8 u 089
2012-04-25 23:16:31 C 13 20 30.87 +46 23 35.5 u 160
2012-04-25 23:18:51 C 13 20 27.68 +46 24 16.1 u 160
2012-04-25 23:20:54 C 13 20 24.92 +46 24 51.3 u 160
2012-04-25 23:29:24 C 13 19 55.01 +46 25 12.4 u 089
2012-04-25 23:32:14 C 13 19 51.34 +46 25 59.6 u 089
2012-04-25 23:35:04 C 13 19 47.62 +46 26 46.5 u 089
2012-04-25 23:37:54 C 13 19 43.94 +46 27 33.6 u 089
2012-04-25 23:40:44 C 13 19 40.26 +46 28 20.7 u 089
2012-04-25 23:43:35 C 13 19 36.53 +46 29 07.8 u 089
2012-04-25 23:46:26 C 13 19 32.81 +46 29 55.1 u 089
2012-04-26 02:37:11 C 13 17 20.42 +47 25 06.2 u I27
2012-04-26 02:37:45 C 13 17 19.58 +47 25 18.1 u I27
2012-04-26 02:38:18 C 13 17 18.71 +47 25 29.4 u I27
2012-04-26 02:38:51 C 13 17 17.89 +47 25 40.7 u I27
2012-04-26 02:39:26 C 13 17 17.06 +47 25 52.1 u I27
2012-04-26 02:39:59 C 13 17 16.22 +47 26 03.5 u I27
2012-04-26 02:40:32 C 13 17 15.37 +47 26 14.8 u I27
2012-04-26 02:41:07 C 13 17 14.51 +47 26 26.1 u I27
2012-04-26 02:41:40 C 13 17 13.69 +47 26 37.6 u I27
2012-04-26 02:42:13 C 13 17 12.86 +47 26 49.1 u I27
2012-04-26 02:42:48 C 13 17 11.99 +47 27 00.8 u I27
2012-04-26 02:43:22 C 13 17 11.17 +47 27 11.8 u I27
2012-04-26 02:43:54 C 13 17 10.32 +47 27 23.1 u I27
2012-04-26 02:44:28 C 13 17 09.48 +47 27 34.4 u I27
2012-04-26 02:45:03 C 13 17 08.63 +47 27 45.9 u I27
2012-04-26 02:45:35 C 13 17 07.80 +47 27 57.3 u I27
2012-04-26 02:46:09 C 13 17 06.96 +47 28 08.8 u I27
2012-04-26 02:46:44 C 13 17 06.12 +47 28 19.7 u I27
2012-04-26 02:47:17 C 13 17 05.25 +47 28 31.4 u I27
2012-04-26 02:47:50 C 13 17 04.40 +47 28 42.7 u I27
2012-04-26 02:48:25 C 13 17 03.55 +47 28 54.0 u I27
2012-04-26 02:48:58 C 13 17 02.73 +47 29 05.6 u I27
2012-04-26 02:49:31 C 13 17 01.87 +47 29 17.0 u I27
2012-04-26 02:50:06 C 13 17 01.05 +47 29 28.6 u I27
2012-04-26 02:50:39 C 13 17 00.15 +47 29 39.5 u I27
2012-04-26 02:51:12 C 13 16 59.34 +47 29 51.1 u I27
2012-04-26 02:51:46 C 13 16 58.47 +47 30 02.5 u I27
2012-04-26 02:52:20 C 13 16 57.64 +47 30 13.7 u I27
2012-04-26 02:52:54 C 13 16 56.80 +47 30 25.4 u I27
2012-04-26 02:53:27 C 13 16 55.92 +47 30 36.6 u I27
2012-04-26 02:54:00 C 13 16 55.08 +47 30 48.2 u I27
2012-04-26 02:54:35 C 13 16 54.20 +47 30 59.6 u I27
2012-04-26 02:55:07 C 13 16 53.37 +47 31 10.6 u I27
2012-04-26 02:55:41 C 13 16 52.52 +47 31 22.0 u I27
2012-04-26 02:56:16 C 13 16 51.66 +47 31 33.6 u I27
2012-04-26 02:56:49 C 13 16 50.79 +47 31 44.9 u I27
2012-04-26 02:57:22 C 13 16 49.97 +47 31 56.1 u I27
2012-04-26 02:57:57 C 13 16 49.10 +47 32 07.6 u I27
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)