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 07:47:18 C 14 01 20.67 +31 43 02.5 u H45
2012-04-19 07:49:27 C 14 01 20.35 +31 43 06.1 u H45
2012-04-19 08:29:51 C 14 01 14.74 +31 43 45.4 r H21
2012-04-19 08:32:23 C 14 01 14.45 +31 43 49.5 r H21
2012-04-19 08:34:55 C 14 01 14.12 +31 43 53.1 r H21
2012-04-19 22:03:19 C 14 00 39.25 +32 08 37.1 t J84
2012-04-19 22:05:21 C 14 00 39.00 +32 08 41.6 t J84
2012-04-19 22:11:26 C 14 00 38.28 +32 08 55.0 t J84
2012-04-19 22:13:28 C 14 00 38.04 +32 08 59.4 t J84
2012-04-19 22:19:32 C 14 00 37.29 +32 09 12.8 t J84
2012-04-19 22:25:37 C 14 00 36.54 +32 09 26.1 t J84
2012-04-20 00:43:16 C 14 00 18.82 +32 14 10.5 u J95
2012-04-20 00:48:18 C 14 00 18.16 +32 14 20.5 u J95
2012-04-20 00:53:16 C 14 00 17.51 +32 14 30.3 u J95
2012-04-20 03:05:23 C 14 00 18.56 +32 19 37.8 18.7 u 932
2012-04-20 03:22:12 C 14 00 16.24 +32 20 16.1 18.6 u 932
2012-04-20 03:39:05 C 14 00 13.85 +32 20 55.2 18.4 u 932
2012-04-20 05:11:24 C 14 00 13.98 +32 23 58.1 t G56
2012-04-20 05:21:02 C 14 00 12.80 +32 24 21.4 t G56
2012-04-20 05:31:20 C 14 00 11.49 +32 24 47.4 t G56
2012-04-20 09:56:05 C 13 59 27.34 +32 34 55.5 r 703
2012-04-20 09:56:14 C 13 59 30.35 +32 34 54.3 o G51
2012-04-20 10:04:58 C 13 59 26.05 +32 35 09.8 r 703
2012-04-20 10:06:48 C 13 59 28.73 +32 35 14.7 o G51
2012-04-20 10:14:00 C 13 59 24.72 +32 35 26.4 r 703
2012-04-20 10:18:19 C 13 59 26.98 +32 35 37.0 o G51
2012-04-20 10:22:58 C 13 59 23.46 +32 35 42.5 r 703
2012-04-20 10:29:53 C 13 59 25.26 +32 35 58.8 o G51
2012-04-20 10:41:24 C 13 59 23.57 +32 36 20.3 o G51
2012-04-20 23:53:06 C 13 58 25.94 +33 07 08.4 c A24
2012-04-20 23:54:08 C 13 58 25.81 +33 07 09.9 c A24
2012-04-21 00:39:25 C 13 58 18.13 +33 08 57.8 t 204
2012-04-21 00:42:47 C 13 58 17.57 +33 09 05.8 t 204
2012-04-21 00:46:09 C 13 58 17.01 +33 09 13.7 t 204
2012-04-21 00:49:33 C 13 58 16.44 +33 09 21.7 t 204
2012-04-21 00:52:55 C 13 58 15.87 +33 09 29.6 t 204
2012-04-21 01:03:26 C 13 58 14.04 +33 09 56.1 c A24
2012-04-21 01:04:28 C 13 58 13.92 +33 09 58.1 c A24
2012-04-21 05:08:02 C 13 58 08.52 +33 21 36.8 u I50
2012-04-21 05:08:41 C 13 58 08.40 +33 21 38.7 u I50
2012-04-21 05:09:19 C 13 58 08.29 +33 21 40.6 u I50
2012-04-21 05:09:57 C 13 58 08.17 +33 21 42.7 u I50
2012-04-21 05:10:37 C 13 58 08.04 +33 21 44.3 u I50
2012-04-21 05:11:15 C 13 58 07.93 +33 21 46.3 u I50
2012-04-21 05:11:54 C 13 58 07.80 +33 21 48.4 u I50
2012-04-21 05:12:32 C 13 58 07.67 +33 21 50.0 u I50
2012-04-21 05:13:10 C 13 58 07.56 +33 21 52.1 u I50
2012-04-21 05:13:49 C 13 58 07.45 +33 21 53.5 u I50
2012-04-21 20:24:55 C 13 56 32.98 +34 03 22.4 t J84
2012-04-21 20:35:27 C 13 56 31.23 +34 04 00.2 t J84
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)