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
2012-04-19 04:14:55 C 14 01 42.83 +31 36 06.4 u I27
2012-04-19 04:16:26 C 14 01 47.72 +31 36 41.7 u H45
2012-04-19 04:16:45 C 14 01 42.61 +31 36 10.3 u I27
2012-04-19 04:18:25 C 14 01 47.49 +31 36 45.5 u H45
2012-04-19 04:18:38 C 14 01 42.39 +31 36 13.9 u I27
2012-04-19 04:20:28 C 14 01 42.18 +31 36 17.0 u I27
2012-04-19 04:20:28 C 14 01 47.26 +31 36 49.8 u H45
2012-04-19 04:22:20 C 14 01 41.99 +31 36 20.7 u I27
2012-04-19 04:22:22 C 14 01 46.97 +31 36 53.0 u H45
2012-04-19 04:24:10 C 14 01 41.77 +31 36 23.8 u I27
2012-04-19 04:24:33 C 14 01 46.75 +31 36 57.4 u H45
2012-04-19 04:26:03 C 14 01 41.51 +31 36 27.6 u I27
2012-04-19 04:26:23 C 14 01 46.52 +31 37 01.5 u H45
2012-04-19 04:27:53 C 14 01 41.29 +31 36 31.2 u I27
2012-04-19 04:28:56 C 14 01 46.22 +31 37 06.0 u H45
2012-04-19 04:29:45 C 14 01 41.08 +31 36 34.1 u I27
2012-04-19 04:30:24 C 14 01 46.05 +31 37 09.0 u H45
2012-04-19 04:31:35 C 14 01 40.87 +31 36 37.3 u I27
2012-04-19 04:32:23 C 14 01 45.81 +31 37 13.2 u H45
2012-04-19 04:33:28 C 14 01 40.65 +31 36 40.6 u I27
2012-04-19 04:34:22 C 14 01 45.59 +31 37 16.7 u H45
2012-04-19 04:35:18 C 14 01 40.38 +31 36 44.8 u I27
2012-04-19 04:36:22 C 14 01 45.35 +31 37 20.8 u H45
2012-04-19 04:37:10 C 14 01 40.20 +31 36 47.6 u I27
2012-04-19 04:39:00 C 14 01 40.00 +31 36 50.7 u I27
2012-04-19 04:48:10 C 14 01 38.89 +31 37 07.5 u I27
2012-04-19 04:50:00 C 14 01 38.70 +31 37 10.7 u I27
2012-04-19 04:51:53 C 14 01 38.46 +31 37 14.3 u I27
2012-04-19 04:53:43 C 14 01 38.26 +31 37 17.1 u I27
2012-04-19 04:55:35 C 14 01 38.01 +31 37 21.1 u I27
2012-04-19 04:57:25 C 14 01 37.80 +31 37 23.3 u I27
2012-04-19 04:59:17 C 14 01 37.57 +31 37 27.5 u I27
2012-04-19 05:01:07 C 14 01 37.35 +31 37 30.3 u I27
2012-04-19 05:03:00 C 14 01 37.12 +31 37 34.0 u I27
2012-04-19 05:04:50 C 14 01 36.90 +31 37 37.1 u I27
2012-04-19 05:06:42 C 14 01 36.67 +31 37 40.4 u I27
2012-04-19 05:08:32 C 14 01 36.46 +31 37 43.4 u I27
2012-04-19 05:10:25 C 14 01 36.23 +31 37 47.0 u I27
2012-04-19 05:12:15 C 14 01 35.98 +31 37 50.6 u I27
2012-04-19 05:14:07 C 14 01 35.73 +31 37 54.0 u I27
2012-04-19 05:15:57 C 14 01 35.55 +31 37 56.4 u I27
2012-04-19 05:17:49 C 14 01 35.33 +31 38 00.1 u I27
2012-04-19 05:19:40 C 14 01 35.12 +31 38 03.3 u I27
2012-04-19 05:21:32 C 14 01 34.90 +31 38 06.4 u I27
2012-04-19 05:23:22 C 14 01 34.62 +31 38 09.7 u I27
2012-04-19 05:25:15 C 14 01 34.46 +31 38 13.1 u I27
2012-04-19 05:27:05 C 14 01 34.22 +31 38 16.1 u I27
2012-04-19 05:28:57 C 14 01 33.93 +31 38 19.7 u I27
2012-04-19 05:30:47 C 14 01 33.78 +31 38 22.3 u I27
2012-04-19 05:32:39 C 14 01 33.54 +31 38 25.5 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)