2012 HE31

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3911478000
Semi-major axis (a)1.3758914000 AU
Inclination (i)0.48780000°
Long. of Asc. Node (Ω)7.97523000°
Arg. of Perihelion (ω)278.13131000°
Mean Anomaly (M)94.90847000°
Mean Motion (n)0.6106998900°/day
Perihelion dist (q)0.83771450 AU
Aphelion dist (Q)1.91406830 AU
Orbital Period1.61389860 yr
Physical Parameters
H (abs. magnitude)26.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.490″
Uncertainty2
Orbit TypeApollo
MOID0.002302 AU
Observations Used19
Oppositions1
Arc Total
First Observation Used
Last Observation Used2012-04-29
Observations (24)
Date Type RA Dec Mag Band Observatory
2012-04-13 10:01:42 C 13 27 53.233 -10 18 07.99 V F51
2012-04-13 10:17:58 C 13 27 52.203 -10 18 10.85 V F51
2012-04-13 10:35:15 C 13 27 51.134 -10 18 13.99 V F51
2012-04-16 09:28:42 C 13 24 29.693 -10 33 59.11 V F51
2012-04-16 09:47:44 C 13 24 28.040 -10 34 04.53 V F51
2012-04-16 10:25:49 C 13 24 24.742 -10 34 14.69 V F51
2012-04-27 04:45:21 C 12 22 36.58 -15 12 49.2 19.2 c 704
2012-04-27 05:00:36 C 12 22 19.75 -15 13 50.5 19.1 c 704
2012-04-27 05:15:54 C 12 22 02.77 -15 14 54.3 18.7 c 704
2012-04-27 05:31:39 C 12 21 45.27 -15 15 57.5 18.9 c 704
2012-04-28 04:13:49 C 11 50 38.98 -17 13 37.6 18.9 c 704
2012-04-28 04:28:50 C 11 50 08.52 -17 15 15.3 18.7 c 704
2012-04-28 04:43:58 C 11 49 37.56 -17 16 54.5 19.2 c 704
2012-04-28 04:58:57 C 11 49 06.66 -17 18 32.0 18.6 c 704
2012-04-28 05:14:03 C 11 48 35.30 -17 20 08.6 18.5 c 704
2012-04-28 20:43:49 C 11 09 27.84 -19 19 32.9 v B03
2012-04-28 20:44:24 C 11 09 25.69 -19 19 38.1 v B03
2012-04-28 20:44:59 C 11 09 23.91 -19 19 43.2 v B03
2012-04-29 04:32:28 C 10 39 48.75 -20 25 10.5 c 854
2012-04-29 04:35:48 C 10 39 33.52 -20 25 38.7 c 854
2012-04-29 09:54:02 C 10 14 02.94 -20 52 27.7 r E12
2012-04-29 11:29:37 C 10 04 49.59 -21 02 36.1 r E12
2012-04-29 11:30:09 C 10 04 46.46 -21 02 38.8 r E12
2012-04-29 11:30:40 C 10 04 43.39 -21 02 41.0 r E12