2012 HK31

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1206137000
Semi-major axis (a)1.0738695000 AU
Inclination (i)2.20096000°
Long. of Asc. Node (Ω)222.27865000°
Arg. of Perihelion (ω)96.42236000°
Mean Anomaly (M)342.23880000°
Mean Motion (n)0.8856800000°/day
Perihelion dist (q)0.94434610 AU
Aphelion dist (Q)1.20339290 AU
Orbital Period1.11282600 yr
Physical Parameters
H (abs. magnitude)25.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.250″
Uncertainty6
Orbit TypeApollo
MOID0.014248 AU
Observations Used63
Oppositions1
Arc Total
First Observation Used
Last Observation Used2012-05-28
Observations (65)
Date Type RA Dec Mag Band Observatory
2012-04-28 06:52:11 C 14 15 24.76 -16 44 19.5 r G96
2012-04-28 07:02:01 C 14 15 23.72 -16 44 05.4 r G96
2012-04-28 07:12:00 C 14 15 22.64 -16 43 51.2 r G96
2012-04-28 07:21:57 C 14 15 21.60 -16 43 36.9 r G96
2012-04-28 08:58:32 C 14 15 11.34 -16 41 15.6 r G96
2012-04-28 09:00:33 C 14 15 11.16 -16 41 13.0 r G96
2012-04-28 09:02:33 C 14 15 10.90 -16 41 09.6 r G96
2012-04-28 09:04:33 C 14 15 10.72 -16 41 07.0 r G96
2012-04-28 09:14:24 C 14 15 09.77 -16 40 52.0 o 291
2012-04-28 09:16:36 C 14 15 09.55 -16 40 48.8 o 291
2012-04-28 09:18:46 C 14 15 09.32 -16 40 45.3 o 291
2012-04-29 07:25:26 C 14 13 26.50 -16 08 13.7 o 291
2012-04-29 07:26:57 C 14 13 26.35 -16 08 11.5 o 291
2012-04-29 07:28:28 C 14 13 26.16 -16 08 09.0 o 291
2012-04-29 07:42:17 C 14 13 24.52 -16 07 48.2 r G96
2012-04-29 07:45:16 C 14 13 24.16 -16 07 43.8 r G96
2012-04-29 07:48:18 C 14 13 23.84 -16 07 38.9 r G96
2012-04-29 07:51:16 C 14 13 23.52 -16 07 34.5 r G96
2012-04-29 08:28:20 C 14 13 19.41 -16 06 37.3 r G96
2012-04-29 08:33:29 C 14 13 18.84 -16 06 29.0 r G96
2012-04-29 08:38:40 C 14 13 18.30 -16 06 21.4 r G96
2012-05-01 04:31:40 C 14 09 41.94 -14 55 47.4 r G96
2012-05-01 04:39:14 C 14 09 41.11 -14 55 34.5 r G96
2012-05-01 04:46:50 C 14 09 40.21 -14 55 22.8 r G96
2012-05-01 04:54:26 C 14 09 39.38 -14 55 10.4 r G96
2012-05-01 04:55:26 C 14 09 34.39 -14 53 09.5 o 807
2012-05-01 05:02:45 C 14 09 33.51 -14 52 56.7 o 807
2012-05-01 05:09:48 C 14 09 32.66 -14 52 44.8 o 807
2012-05-01 05:17:05 C 14 09 31.80 -14 52 32.3 o 807
2012-05-09 03:34:42 C 13 49 57.73 -08 03 33.0 o 807
2012-05-09 03:45:02 C 13 49 56.07 -08 03 05.4 o 807
2012-05-09 03:55:21 C 13 49 54.44 -08 02 37.8 o 807
2012-05-10 04:32:35 C 13 46 56.05 -06 58 23.3 u H21
2012-05-10 04:41:05 C 13 46 54.68 -06 57 59.8 u H21
2012-05-10 04:49:49 C 13 46 53.28 -06 57 35.3 u H21
2012-05-10 04:59:01 C 13 46 51.81 -06 57 09.4 u H21
2012-05-13 04:27:38 C 13 37 30.68 -03 20 26.4 u H21
2012-05-13 04:38:59 C 13 37 28.67 -03 19 49.2 u H21
2012-05-13 04:55:49 C 13 37 25.70 -03 18 54.3 u H21
2012-05-13 04:59:05 C 13 37 25.11 -03 18 43.3 u H21
2012-05-14 03:58:57 C 13 34 14.15 -02 01 35.3 u H36
2012-05-14 04:04:53 C 13 34 13.08 -02 01 15.7 u H36
2012-05-14 04:16:31 C 13 34 10.96 -02 00 38.0 u H36
2012-05-17 03:49:27 C 13 23 19.44 +02 23 19.7 u H21
2012-05-17 03:54:36 C 13 23 18.36 +02 23 40.1 u H21
2012-05-17 03:59:41 C 13 23 17.31 +02 24 00.1 u H21
2012-05-18 04:09:19 C 13 19 20.08 +04 01 41.0 u H21
2012-05-18 04:19:24 C 13 19 17.95 +04 02 22.6 u H21
2012-05-18 04:24:15 C 13 19 16.92 +04 02 42.3 u H21
2012-05-20 04:19:29 C 13 10 59.33 +07 29 32.8 u H21