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
2012-04-21 20:43:41 C 13 56 29.13 +34 05 17.9 u B88
2012-04-21 20:46:00 C 13 56 29.44 +34 04 37.7 t J84
2012-04-21 20:51:31 C 13 56 27.66 +34 05 45.8 u B88
2012-04-21 20:57:27 C 13 56 23.74 +34 05 52.4 u C47
2012-04-21 20:59:20 C 13 56 26.14 +34 06 13.8 u B88
2012-04-21 21:01:43 C 13 56 22.91 +34 06 07.3 u C47
2012-04-21 21:09:44 C 13 56 21.35 +34 06 34.0 u C47
2012-04-21 21:15:04 C 13 56 20.21 +34 06 52.6 u C47
2012-04-21 21:19:21 C 13 56 19.44 +34 07 06.9 u C47
2012-04-21 21:24:08 C 13 56 18.49 +34 07 23.5 u C47
2012-04-21 22:15:16 C 13 56 03.80 +34 10 37.1 u C73
2012-04-21 22:16:26 C 13 56 03.45 +34 10 40.8 u C73
2012-04-21 22:18:44 C 13 56 02.92 +34 10 47.5 u C73
2012-04-21 22:24:30 C 13 56 01.75 +34 11 05.9 u C73
2012-04-21 23:21:14 C 13 56 01.11 +34 14 58.6 u 493
2012-04-21 23:21:52 C 13 55 54.15 +34 13 49.9 u C47
2012-04-21 23:26:08 C 13 55 53.28 +34 14 03.2 u C47
2012-04-21 23:28:48 C 13 55 52.73 +34 14 11.8 u C47
2012-04-21 23:32:01 C 13 55 52.05 +34 14 21.5 u C47
2012-04-21 23:34:41 C 13 55 51.46 +34 14 30.1 u C47
2012-04-21 23:36:48 C 13 55 51.05 +34 14 36.5 u C47
2012-04-22 00:03:48 C 13 55 51.38 +34 17 20.3 u 493
2012-04-22 00:30:24 C 13 55 45.77 +34 18 27.0 w I99
2012-04-22 00:38:00 C 13 55 44.05 +34 18 51.8 w I99
2012-04-22 00:44:40 C 13 55 42.52 +34 19 13.0 w I99
2012-04-22 00:46:28 C 13 55 41.52 +34 19 37.7 u 493
2012-04-22 01:15:12 C 13 55 34.91 +34 21 07.7 u 493
2012-04-22 07:19:47 C 13 54 44.94 +34 42 15.0 u H45
2012-04-22 07:21:16 C 13 54 44.57 +34 42 19.9 u H45
2012-04-22 07:22:47 C 13 54 44.20 +34 42 25.0 u H45
2012-04-22 07:25:13 C 13 54 43.60 +34 42 32.9 u H45
2012-04-22 07:28:18 C 13 54 42.86 +34 42 43.2 u H45
2012-04-22 07:29:47 C 13 54 42.48 +34 42 47.8 u H45
2012-04-22 07:31:26 C 13 54 42.07 +34 42 53.5 u H45
2012-04-22 07:33:10 C 13 54 41.65 +34 42 58.9 u H45
2012-04-22 09:07:50 C 13 54 25.23 +34 48 50.6 r 703
2012-04-22 09:27:17 C 13 54 20.44 +34 49 53.7 r 703
2012-04-22 09:37:01 C 13 54 18.03 +34 50 25.0 r 703
2012-04-22 20:37:12 C 13 53 04.64 +35 32 26.5 u 104
2012-04-22 21:15:47 C 13 52 54.45 +35 35 26.6 u 104
2012-04-22 21:37:55 C 13 52 48.41 +35 37 08.6 u 104
2012-04-23 19:42:18 C 13 48 13.01 +37 28 28.6 u C73
2012-04-23 19:43:28 C 13 48 12.60 +37 28 35.9 u C73
2012-04-23 19:44:37 C 13 48 12.32 +37 28 41.3 u C73
2012-04-23 19:45:47 C 13 48 11.79 +37 28 49.9 u C73
2012-04-23 19:46:56 C 13 48 11.27 +37 28 57.5 u C73
2012-04-23 19:48:06 C 13 48 10.81 +37 29 06.4 u C73
2012-04-23 19:49:16 C 13 48 10.37 +37 29 14.1 u C73
2012-04-23 19:50:25 C 13 48 10.00 +37 29 21.5 u C73
2012-04-23 19:51:35 C 13 48 09.60 +37 29 28.6 u C73
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)