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
2012-04-16 07:01:58 C 14 04 35.84 +29 59 47.6 18.5 c 704
2012-04-16 07:18:01 C 14 04 34.43 +30 00 06.3 18.7 c 704
2012-04-16 07:34:12 C 14 04 33.10 +30 00 25.7 18.6 c 704
2012-04-16 07:50:09 C 14 04 31.68 +30 00 44.5 19.1 c 704
2012-04-16 08:06:19 C 14 04 30.30 +30 01 01.2 18.8 c 704
2012-04-17 06:51:04 C 14 03 48.16 +30 28 55.5 18.6 c 704
2012-04-17 06:57:56 C 14 03 43.15 +30 28 42.7 r H21
2012-04-17 07:05:34 C 14 03 42.44 +30 28 51.9 r H21
2012-04-17 07:07:12 C 14 03 46.52 +30 29 17.8 18.8 c 704
2012-04-17 07:14:03 C 14 03 41.67 +30 29 02.3 r H21
2012-04-17 07:23:21 C 14 03 44.98 +30 29 38.4 18.8 c 704
2012-04-17 07:39:28 C 14 03 43.43 +30 29 58.9 19.0 c 704
2012-04-17 10:20:54 C 14 03 28.48 +30 33 07.2 o H01
2012-04-17 10:31:59 C 14 03 27.54 +30 33 18.7 o H01
2012-04-17 10:40:23 C 14 03 26.86 +30 33 27.4 o H01
2012-04-17 10:55:10 C 14 03 25.69 +30 33 42.6 o H01
2012-04-17 12:43:57 C 14 03 40.90 +30 36 18.9 u 900
2012-04-17 12:59:23 C 14 03 39.52 +30 36 43.2 u 900
2012-04-17 13:14:47 C 14 03 38.13 +30 37 08.0 u 900
2012-04-18 07:34:45 C 14 02 39.24 +31 03 23.4 u H45
2012-04-18 07:37:09 C 14 02 39.01 +31 03 27.2 u H45
2012-04-18 07:39:13 C 14 02 38.78 +31 03 29.6 u H45
2012-04-18 07:41:04 C 14 02 38.56 +31 03 32.2 u H45
2012-04-18 07:47:33 C 14 02 37.85 +31 03 41.1 u H45
2012-04-18 07:49:44 C 14 02 37.62 +31 03 44.1 u H45
2012-04-18 07:52:04 C 14 02 37.35 +31 03 47.0 u H45
2012-04-18 07:53:38 C 14 02 37.18 +31 03 49.5 u H45
2012-04-19 03:41:23 C 14 01 46.67 +31 35 04.4 u I27
2012-04-19 03:43:13 C 14 01 46.49 +31 35 08.0 u I27
2012-04-19 03:50:38 C 14 01 45.66 +31 35 21.8 u I27
2012-04-19 03:52:30 C 14 01 45.40 +31 35 25.6 u I27
2012-04-19 03:54:20 C 14 01 45.20 +31 35 28.8 u I27
2012-04-19 03:56:13 C 14 01 44.98 +31 35 32.3 u I27
2012-04-19 03:58:03 C 14 01 44.81 +31 35 35.4 u I27
2012-04-19 03:58:25 C 14 01 53.54 +31 35 56.7 o G48
2012-04-19 03:59:49 C 14 01 53.44 +31 35 59.7 o G48
2012-04-19 03:59:55 C 14 01 44.57 +31 35 38.9 u I27
2012-04-19 04:01:12 C 14 01 53.30 +31 36 02.6 o G48
2012-04-19 04:01:45 C 14 01 44.41 +31 35 42.0 u I27
2012-04-19 04:02:34 C 14 01 53.18 +31 36 04.9 o G48
2012-04-19 04:03:37 C 14 01 44.15 +31 35 46.1 u I27
2012-04-19 04:05:28 C 14 01 43.93 +31 35 49.1 u I27
2012-04-19 04:06:53 C 14 01 48.86 +31 36 21.8 u H45
2012-04-19 04:07:21 C 14 01 43.71 +31 35 52.9 u I27
2012-04-19 04:09:14 C 14 01 43.51 +31 35 56.6 u I27
2012-04-19 04:09:34 C 14 01 48.53 +31 36 27.8 u H45
2012-04-19 04:11:07 C 14 01 43.26 +31 36 00.0 u I27
2012-04-19 04:12:08 C 14 01 48.23 +31 36 33.0 u H45
2012-04-19 04:13:03 C 14 01 43.04 +31 36 03.4 u I27
2012-04-19 04:14:19 C 14 01 47.92 +31 36 37.6 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)