2012 HE

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5388079000
Semi-major axis (a)2.1694425000 AU
Inclination (i)7.86743000°
Long. of Asc. Node (Ω)32.61388000°
Arg. of Perihelion (ω)196.66072000°
Mean Anomaly (M)82.39738000°
Mean Motion (n)0.3084479300°/day
Perihelion dist (q)1.00052970 AU
Aphelion dist (Q)3.33835530 AU
Orbital Period3.19537780 yr
Physical Parameters
H (abs. magnitude)25.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.460″
Uncertainty6
Orbit TypeAmor
MOID0.007497 AU
Observations Used31
Oppositions1
Arc Total
First Observation Used
Last Observation Used2012-04-21
Observations (31)
Date Type RA Dec Mag Band Observatory
2012-04-16 07:58:53 C 13 17 45.92 +20 46 09.5 r 703
2012-04-16 08:06:55 C 13 17 49.34 +20 45 14.1 r 703
2012-04-16 08:15:03 C 13 17 52.72 +20 44 20.6 r 703
2012-04-16 08:23:15 C 13 17 56.14 +20 43 24.6 r 703
2012-04-16 09:40:51 C 13 18 29.55 +20 34 30.5 r 703
2012-04-16 09:50:28 C 13 18 33.76 +20 33 23.6 r 703
2012-04-16 10:00:22 C 13 18 38.30 +20 32 13.5 r 703
2012-04-16 10:10:13 C 13 18 42.48 +20 31 04.9 r 703
2012-04-16 14:32:08 C 13 21 04.62 +20 00 43.9 o 300
2012-04-16 14:37:08 C 13 21 06.80 +20 00 07.7 o 300
2012-04-16 14:41:29 C 13 21 08.76 +19 59 37.3 o 300
2012-04-16 14:45:49 C 13 21 10.66 +19 59 05.5 o 300
2012-04-16 14:50:09 C 13 21 12.68 +19 58 34.8 o 300
2012-04-16 22:53:50 C 13 25 31.92 +18 56 55.1 v I93
2012-04-16 23:05:40 C 13 25 37.81 +18 55 21.5 v I93
2012-04-16 23:14:47 C 13 25 42.33 +18 54 09.2 v I93
2012-04-19 07:02:40 C 14 06 50.76 +08 08 52.0 u H21
2012-04-19 07:05:50 C 14 06 53.61 +08 08 00.3 u H21
2012-04-19 07:08:53 C 14 06 56.36 +08 07 10.7 u H21
2012-04-19 07:11:41 C 14 06 58.89 +08 06 25.1 u H21
2012-04-20 00:59:16 C 14 26 19.50 +02 39 18.8 u J95
2012-04-20 01:02:27 C 14 26 23.11 +02 38 13.1 u J95
2012-04-20 01:05:46 C 14 26 26.84 +02 37 05.1 u J95
2012-04-21 00:08:52 C 14 58 02.70 -06 22 03.2 t 204
2012-04-21 00:16:01 C 14 58 13.16 -06 25 10.8 t 204
2012-04-21 00:23:19 C 14 58 23.90 -06 28 23.5 t 204
2012-04-21 08:22:48 C 15 11 07.99 -09 56 28.7 o 807
2012-04-21 08:26:32 C 15 11 14.02 -09 58 12.7 o 807
2012-04-21 08:30:17 C 15 11 20.03 -09 59 57.0 o 807
2012-04-21 08:34:03 C 15 11 26.09 -10 01 41.9 o 807
2012-04-21 08:37:51 C 15 11 32.19 -10 03 27.2 o 807