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
2012-04-26 20:06:06 C 12 43 46.78 +54 47 52.4 u 160
2012-04-26 20:07:34 C 12 43 41.67 +54 48 42.0 u 160
2012-04-26 20:08:19 C 12 43 39.14 +54 49 06.7 u 160
2012-04-26 20:09:03 C 12 43 36.62 +54 49 31.8 u 160
2012-04-26 20:10:36 C 12 43 31.14 +54 50 25.4 u 160
2012-04-26 21:02:21 C 12 39 45.60 +55 18 11.3 u 089
2012-04-26 21:05:12 C 12 39 35.01 +55 19 43.6 u 089
2012-04-26 21:08:03 C 12 39 24.42 +55 21 16.3 u 089
2012-04-26 21:10:53 C 12 39 13.87 +55 22 48.1 u 089
2012-04-26 21:13:43 C 12 39 03.25 +55 24 20.1 u 089
2012-04-26 21:16:33 C 12 38 52.63 +55 25 52.3 u 089
2012-04-26 21:19:24 C 12 38 41.92 +55 27 24.4 u 089
2012-04-26 21:22:14 C 12 38 31.21 +55 28 56.3 u 089
2012-04-26 21:25:04 C 12 38 20.38 +55 30 28.8 u 089
2012-04-27 04:01:55 C 12 11 56.82 +59 38 35.2 o 695
2012-04-27 04:02:53 C 12 11 50.92 +59 39 15.5 o 695
2012-04-27 04:03:49 C 12 11 45.27 +59 39 53.7 o 695
2012-04-27 04:04:44 C 12 11 39.63 +59 40 32.0 o 695
2012-04-27 19:52:13 C 09 10 13.91 +68 32 35.3 u B42
2012-04-27 19:52:58 C 09 09 58.31 +68 32 36.3 u B42
2012-04-27 19:54:39 C 09 09 24.56 +68 32 39.1 u B42
2012-04-27 19:55:33 C 09 09 06.25 +68 32 40.0 u B42
2012-04-27 19:56:18 C 09 08 50.91 +68 32 40.7 u B42
2012-04-27 19:57:12 C 09 08 32.46 +68 32 42.3 u B42
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)