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 05:34:30 C 14 01 33.33 +31 38 28.8 u I27
2012-04-19 05:36:22 C 14 01 33.10 +31 38 32.5 u I27
2012-04-19 05:38:12 C 14 01 32.87 +31 38 35.2 u I27
2012-04-19 05:40:04 C 14 01 32.67 +31 38 38.4 u I27
2012-04-19 05:41:55 C 14 01 32.42 +31 38 41.8 u I27
2012-04-19 05:43:47 C 14 01 32.22 +31 38 44.6 u I27
2012-04-19 05:45:37 C 14 01 31.98 +31 38 47.9 u I27
2012-04-19 05:47:29 C 14 01 31.76 +31 38 51.0 u I27
2012-04-19 05:49:20 C 14 01 31.58 +31 38 53.4 u I27
2012-04-19 05:51:12 C 14 01 31.35 +31 38 56.5 u I27
2012-04-19 05:53:02 C 14 01 31.12 +31 38 59.9 u I27
2012-04-19 05:54:54 C 14 01 30.88 +31 39 03.5 u I27
2012-04-19 05:56:44 C 14 01 30.65 +31 39 06.7 u I27
2012-04-19 05:58:37 C 14 01 30.42 +31 39 09.9 u I27
2012-04-19 06:00:27 C 14 01 30.23 +31 39 12.7 u I27
2012-04-19 06:02:19 C 14 01 30.01 +31 39 16.3 u I27
2012-04-19 06:04:09 C 14 01 29.74 +31 39 19.3 u I27
2012-04-19 06:06:01 C 14 01 29.53 +31 39 22.4 u I27
2012-04-19 06:07:51 C 14 01 29.34 +31 39 24.8 u I27
2012-04-19 06:09:44 C 14 01 29.09 +31 39 28.6 u I27
2012-04-19 06:11:34 C 14 01 28.93 +31 39 31.1 u I27
2012-04-19 06:13:26 C 14 01 28.71 +31 39 34.0 u I27
2012-04-19 06:15:16 C 14 01 28.44 +31 39 37.5 u I27
2012-04-19 06:17:08 C 14 01 28.22 +31 39 40.8 u I27
2012-04-19 06:18:59 C 14 01 27.99 +31 39 43.8 u I27
2012-04-19 06:20:51 C 14 01 27.79 +31 39 46.7 u I27
2012-04-19 06:22:41 C 14 01 27.55 +31 39 49.9 u I27
2012-04-19 06:24:33 C 14 01 27.31 +31 39 53.0 u I27
2012-04-19 06:26:23 C 14 01 27.07 +31 39 56.2 u I27
2012-04-19 06:28:15 C 14 01 26.88 +31 39 58.9 u I27
2012-04-19 06:30:06 C 14 01 26.67 +31 40 02.2 u I27
2012-04-19 06:31:58 C 14 01 26.43 +31 40 05.2 u I27
2012-04-19 06:33:48 C 14 01 26.24 +31 40 07.8 u I27
2012-04-19 06:35:40 C 14 01 26.02 +31 40 11.0 u I27
2012-04-19 06:37:30 C 14 01 25.79 +31 40 14.0 u I27
2012-04-19 06:39:23 C 14 01 25.58 +31 40 17.2 u I27
2012-04-19 06:41:13 C 14 01 25.35 +31 40 19.8 u I27
2012-04-19 07:20:16 C 14 01 24.15 +31 42 18.9 u H45
2012-04-19 07:23:02 C 14 01 23.80 +31 42 23.3 u H45
2012-04-19 07:25:17 C 14 01 23.51 +31 42 26.6 u H45
2012-04-19 07:27:18 C 14 01 23.23 +31 42 29.7 u H45
2012-04-19 07:29:18 C 14 01 22.97 +31 42 33.1 u H45
2012-04-19 07:31:28 C 14 01 22.71 +31 42 36.6 u H45
2012-04-19 07:33:19 C 14 01 22.45 +31 42 39.2 u H45
2012-04-19 07:35:18 C 14 01 22.21 +31 42 42.9 u H45
2012-04-19 07:37:18 C 14 01 21.96 +31 42 45.8 u H45
2012-04-19 07:39:18 C 14 01 21.69 +31 42 49.6 u H45
2012-04-19 07:41:18 C 14 01 21.46 +31 42 52.7 u H45
2012-04-19 07:43:18 C 14 01 21.18 +31 42 55.7 u H45
2012-04-19 07:45:19 C 14 01 20.89 +31 42 59.5 u H45
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)