2012 HK

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2875252000
Semi-major axis (a)1.4771844000 AU
Inclination (i)17.22160000°
Long. of Asc. Node (Ω)206.60159000°
Arg. of Perihelion (ω)350.01640000°
Mean Anomaly (M)209.90682000°
Mean Motion (n)0.5489743000°/day
Perihelion dist (q)1.05245670 AU
Aphelion dist (Q)1.90191210 AU
Orbital Period1.79536220 yr
Physical Parameters
H (abs. magnitude)23.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.430″
Uncertainty5
Orbit TypeAmor
MOID0.051883 AU
Observations Used89
Oppositions1
Arc Total
First Observation Used
Last Observation Used2012-05-23
Observations (91)
Date Type RA Dec Mag Band Observatory
2012-04-16 06:15:59 C 12 12 54.50 -09 12 37.6 r 703
2012-04-16 06:24:01 C 12 12 58.86 -09 10 58.3 r 703
2012-04-16 06:32:04 C 12 13 03.18 -09 09 20.3 r 703
2012-04-16 06:40:12 C 12 13 07.64 -09 07 41.5 r 703
2012-04-16 07:16:45 C 12 13 27.55 -09 00 13.3 r 703
2012-04-16 07:23:59 C 12 13 31.51 -08 58 44.7 r 703
2012-04-16 07:31:09 C 12 13 35.40 -08 57 17.2 r 703
2012-04-16 07:38:29 C 12 13 39.43 -08 55 46.6 r 703
2012-04-16 07:49:02 C 12 13 45.29 -08 53 37.7 c 854
2012-04-16 07:52:56 C 12 13 47.41 -08 52 49.2 c 854
2012-04-16 07:56:50 C 12 13 49.63 -08 52 01.9 c 854
2012-04-16 12:29:27 C 12 16 33.16 -07 53 40.8 r E12
2012-04-16 12:33:23 C 12 16 35.30 -07 52 52.7 r E12
2012-04-16 20:34:44 C 12 21 18.30 -06 17 30.1 v I93
2012-04-16 20:42:09 C 12 21 22.36 -06 15 59.2 v I93
2012-04-16 20:51:59 C 12 21 27.77 -06 13 58.5 v I93
2012-04-16 21:01:10 C 12 21 32.81 -06 12 05.5 v I93
2012-04-16 23:15:30 C 12 22 55.44 -05 41 19.7 o 807
2012-04-16 23:19:11 C 12 22 57.50 -05 40 34.3 o 807
2012-04-16 23:22:52 C 12 22 59.56 -05 39 49.2 o 807
2012-04-16 23:26:34 C 12 23 01.63 -05 39 03.9 o 807
2012-04-16 23:33:56 C 12 23 05.74 -05 37 33.7 o 807
2012-04-16 23:37:35 C 12 23 07.74 -05 36 49.4 o 807
2012-04-16 23:54:04 C 12 23 16.06 -05 33 25.8 u 822
2012-04-16 23:57:59 C 12 23 18.21 -05 32 37.6 u 822
2012-04-17 00:01:55 C 12 23 20.38 -05 31 49.5 u 822
2012-04-17 02:57:34 C 12 25 01.81 -04 58 36.5 o G48
2012-04-17 02:58:19 C 12 25 02.24 -04 58 27.5 o G48
2012-04-17 02:59:07 C 12 25 02.66 -04 58 18.3 o G48
2012-04-17 02:59:53 C 12 25 03.09 -04 58 08.6 o G48
2012-04-17 03:01:23 C 12 25 03.90 -04 57 50.1 o G48
2012-04-17 03:02:07 C 12 25 04.31 -04 57 40.6 o G48
2012-04-17 03:02:53 C 12 25 04.74 -04 57 31.7 o G48
2012-04-17 03:03:40 C 12 25 05.15 -04 57 21.6 o G48
2012-04-17 03:04:26 C 12 25 05.56 -04 57 12.3 o G48
2012-04-17 03:38:45 C 12 25 22.10 -04 50 27.4 u H36
2012-04-17 03:43:35 C 12 25 24.77 -04 49 27.9 u H36
2012-04-17 03:46:05 C 12 25 26.11 -04 48 57.5 u H36
2012-04-17 03:48:23 C 12 25 27.42 -04 48 28.6 u H36
2012-04-17 04:52:01 C 12 26 03.52 -04 35 17.6 o H01
2012-04-17 05:13:39 C 12 26 15.15 -04 30 51.9 o H01
2012-04-17 05:22:42 C 12 26 20.00 -04 29 00.9 o H01
2012-04-17 05:27:35 C 12 26 22.62 -04 28 01.2 o H01
2012-04-17 06:39:57 C 12 26 58.99 -04 13 22.9 r H21
2012-04-17 06:45:32 C 12 27 02.02 -04 12 14.2 r H21
2012-04-17 06:49:29 C 12 27 04.17 -04 11 25.8 r H21
2012-04-17 12:00:03 C 12 30 10.45 -03 07 47.8 u 900
2012-04-17 12:09:05 C 12 30 15.33 -03 05 57.8 u 900
2012-04-17 12:18:07 C 12 30 20.22 -03 04 06.5 u 900
2012-04-17 23:53:15 C 12 36 59.77 -00 40 02.7 o 807