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
2012-05-20 04:28:18 C 13 10 57.35 +07 30 12.4 u H21
2012-05-20 04:37:02 C 13 10 55.39 +07 30 51.1 u H21
2012-05-21 03:27:49 C 13 06 48.61 +09 15 41.7 u H36
2012-05-21 03:37:18 C 13 06 46.40 +09 16 25.9 u H36
2012-05-21 03:46:32 C 13 06 44.24 +09 17 08.9 u H36
2012-05-21 03:55:44 C 13 06 41.98 +09 17 52.1 u H36
2012-05-22 04:06:08 C 13 02 02.84 +11 13 00.5 u H21
2012-05-22 04:13:07 C 13 02 01.14 +11 13 34.2 u H21
2012-05-22 04:23:50 C 13 01 58.53 +11 14 25.5 u H21
2012-05-22 05:13:39 C 13 01 47.90 +11 18 29.6 u H36
2012-05-22 05:18:38 C 13 01 46.70 +11 18 52.7 u H36
2012-05-22 05:23:53 C 13 01 45.42 +11 19 18.3 u H36
2012-05-28 06:01:19 C 12 29 08.96 +24 13 42.8 o 291
2012-05-28 06:03:59 C 12 29 08.11 +24 13 57.7 o 291
2012-05-28 06:06:35 C 12 29 07.30 +24 14 11.9 o 291