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
2012-04-17 23:53:30 C 12 36 59.94 -00 40 00.3 o 807
2012-04-18 00:00:53 C 12 37 03.92 -00 38 30.4 o 807
2012-04-19 04:08:13 C 12 52 39.45 +04 52 08.8 o G48
2012-04-19 04:10:52 C 12 52 40.77 +04 52 38.4 o G48
2012-04-19 04:12:16 C 12 52 41.50 +04 52 55.1 o G48
2012-04-19 04:13:35 C 12 52 42.12 +04 53 09.8 o G48
2012-04-19 06:50:38 C 12 53 59.24 +05 22 58.0 u H21
2012-04-19 06:53:31 C 12 54 00.74 +05 23 30.5 u H21
2012-04-19 06:56:19 C 12 54 02.17 +05 24 02.5 u H21
2012-04-20 06:07:14 C 13 06 31.58 +09 41 12.5 t G56
2012-04-20 06:11:26 C 13 06 33.46 +09 41 57.4 t G56
2012-04-20 06:15:56 C 13 06 35.80 +09 42 45.4 t G56
2012-04-20 06:20:34 C 13 06 38.12 +09 43 35.7 t G56
2012-04-20 23:28:49 C 13 15 24.92 +12 41 10.9 c A24
2012-04-20 23:31:03 C 13 15 26.00 +12 41 33.1 c A24
2012-04-20 23:55:58 C 13 15 37.94 +12 45 43.2 c A24
2012-04-21 00:46:22 C 13 16 02.05 +12 54 04.5 c A24
2012-04-21 00:48:35 C 13 16 03.10 +12 54 26.9 c A24
2012-04-21 01:03:48 C 13 16 10.41 +12 56 57.2 t 204
2012-04-21 01:14:13 C 13 16 15.42 +12 58 40.5 t 204
2012-04-21 01:24:35 C 13 16 20.42 +13 00 23.5 t 204
2012-04-23 05:44:32 C 13 41 33.09 +20 47 47.5 t G56
2012-04-23 05:51:12 C 13 41 35.92 +20 48 40.3 t G56
2012-04-23 05:57:52 C 13 41 38.70 +20 49 32.6 t G56
2012-04-23 06:04:32 C 13 41 41.53 +20 50 26.1 t G56
2012-04-23 07:09:17 C 13 42 04.44 +20 58 50.6 u H21
2012-04-23 07:12:05 C 13 42 05.62 +20 59 12.2 u H21
2012-04-23 07:15:08 C 13 42 06.90 +20 59 35.7 u H21
2012-04-23 07:18:18 C 13 42 08.25 +21 00 00.5 u H21
2012-05-03 06:33:36 C 15 01 31.21 +38 16 28.0 o H21
2012-05-03 06:41:58 C 15 01 32.93 +38 16 44.5 o H21
2012-05-03 06:52:18 C 15 01 35.07 +38 17 05.4 o H21
2012-05-15 07:04:38 C 15 46 47.92 +42 51 54.4 o H21
2012-05-15 07:23:38 C 15 46 49.57 +42 51 59.0 o H21
2012-05-15 07:42:01 C 15 46 51.25 +42 52 03.0 o H21
2012-05-20 05:30:35 C 15 57 19.04 +43 04 50.3 o H21
2012-05-20 05:55:14 C 15 57 20.58 +43 04 49.5 o H21
2012-05-20 06:19:32 C 15 57 22.09 +43 04 48.5 o H21
2012-05-23 06:43:35 C 16 02 27.15 +42 57 06.8 u H21
2012-05-23 07:03:15 C 16 02 28.16 +42 57 02.7 u H21
2012-05-23 07:23:04 C 16 02 29.24 +42 56 58.4 u H21