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 04:59:26 C 13 35 26.05 +42 05 26.4 u I50
2012-04-25 04:59:39 C 13 35 25.86 +42 05 29.2 u I50
2012-04-25 04:59:52 C 13 35 25.70 +42 05 31.7 u I50
2012-04-25 05:00:05 C 13 35 25.52 +42 05 34.2 u I50
2012-04-25 05:00:21 C 13 35 25.33 +42 05 37.3 u I50
2012-04-25 05:00:34 C 13 35 25.13 +42 05 39.7 u I50
2012-04-25 05:00:47 C 13 35 24.94 +42 05 42.3 u I50
2012-04-25 05:01:00 C 13 35 24.79 +42 05 45.0 u I50
2012-04-25 05:01:13 C 13 35 24.62 +42 05 47.6 u I50
2012-04-25 05:01:26 C 13 35 24.42 +42 05 50.5 u I50
2012-04-25 05:01:40 C 13 35 24.24 +42 05 53.1 u I50
2012-04-25 05:01:53 C 13 35 24.09 +42 05 55.7 u I50
2012-04-25 05:02:19 C 13 35 23.75 +42 06 01.1 u I50
2012-04-25 05:02:34 C 13 35 23.56 +42 06 03.8 u I50
2012-04-25 05:02:48 C 13 35 23.39 +42 06 06.4 u I50
2012-04-25 05:03:13 C 13 35 23.02 +42 06 11.7 u I50
2012-04-25 05:03:27 C 13 35 22.84 +42 06 14.8 u I50
2012-04-25 05:03:40 C 13 35 22.67 +42 06 17.3 u I50
2012-04-25 05:03:54 C 13 35 22.42 +42 06 20.2 u I50
2012-04-25 05:04:07 C 13 35 22.32 +42 06 22.5 u I50
2012-04-25 05:04:19 C 13 35 22.13 +42 06 25.2 u I50
2012-04-25 05:04:33 C 13 35 21.94 +42 06 28.1 u I50
2012-04-25 05:04:48 C 13 35 21.79 +42 06 30.3 u I50
2012-04-25 05:33:59 C 13 35 03.15 +42 12 16.2 r G96
2012-04-25 05:34:26 C 13 35 02.79 +42 12 21.7 r G96
2012-04-25 05:34:52 C 13 35 02.43 +42 12 26.8 r G96
2012-04-25 05:35:19 C 13 35 02.07 +42 12 32.3 r G96
2012-04-25 07:03:40 C 13 33 32.02 +42 28 59.6 u H45
2012-04-25 07:04:54 C 13 33 30.96 +42 29 13.2 u H45
2012-04-25 07:05:51 C 13 33 30.16 +42 29 23.6 u H45
2012-04-25 07:08:07 C 13 33 28.29 +42 29 49.2 u H45
2012-04-25 07:08:55 C 13 33 27.59 +42 29 58.3 u H45
2012-04-25 07:10:24 C 13 33 26.35 +42 30 14.4 u H45
2012-04-25 07:12:21 C 13 33 24.72 +42 30 36.7 u H45
2012-04-25 07:20:20 C 13 33 18.07 +42 32 05.5 u H45
2012-04-25 07:22:01 C 13 33 16.64 +42 32 24.2 u H45
2012-04-25 07:24:08 C 13 33 14.89 +42 32 47.8 u H45
2012-04-25 07:26:04 C 13 33 13.29 +42 33 09.0 u H45
2012-04-25 07:30:19 C 13 33 09.73 +42 33 56.7 u H45
2012-04-25 07:35:19 C 13 33 05.54 +42 34 52.3 u H45
2012-04-25 07:37:04 C 13 33 04.11 +42 35 11.4 u H45
2012-04-25 07:38:29 C 13 33 02.93 +42 35 26.9 u H45
2012-04-25 20:44:07 C 13 23 46.60 +45 39 22.6 u 104
2012-04-25 20:50:02 C 13 23 39.46 +45 41 05.6 u 104
2012-04-25 20:57:51 C 13 23 29.96 +45 43 22.0 u 104
2012-04-25 21:43:50 C 13 23 07.36 +45 58 55.6 u 954
2012-04-25 21:45:51 C 13 23 04.89 +45 59 33.1 u 954
2012-04-25 21:47:53 C 13 23 02.25 +46 00 11.9 u 954
2012-04-25 21:49:58 C 13 22 59.67 +46 00 49.6 u 954
2012-04-25 22:48:13 C 13 20 48.44 +46 13 48.4 u 089
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)