2012 HE2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4367583643 ± 2.00e+00
Semi-major axis (a)1.7308513495 AU ± 3.00e+00
Inclination (i)14.75136215° ± 4.00e+00
Long. of Asc. Node (Ω)31.30479163° ± 5.00e+00
Arg. of Perihelion (ω)216.49812239° ± 6.00e+00
Mean Anomaly (M)334.27318171° ± 1.59e-01
Mean Motion (n)0.4328230000°/day ± 1.13e+00
Perihelion dist (q)0.97489200 AU ± 3.85e+00
Aphelion dist (Q)2.48683240 AU ± 5.53e+00
Orbital Period2.27716100 yr ± 5.92e+00
Physical Parameters
H (abs. magnitude)26.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.611″
Uncertainty3
Orbit TypeApollo
MOID0.024528 AU
Observations Used26
Oppositions1
Arc Total2012-2012
First Observation Used
Last Observation Used2012-04-21
Observations (26)
Date Type RA Dec Mag Band Observatory
2012-04-20 07:50:51 C 13 36 19.15 +00 55 29.9 r 703
2012-04-20 08:01:37 C 13 36 17.31 +00 52 21.4 r 703
2012-04-20 08:12:23 C 13 36 15.48 +00 49 08.1 r 703
2012-04-20 08:23:09 C 13 36 13.57 +00 45 53.7 r 703
2012-04-20 09:48:49 C 13 35 59.02 +00 20 00.2 r 703
2012-04-20 09:50:41 C 13 35 58.72 +00 19 26.9 r 703
2012-04-20 09:51:33 C 13 35 58.56 +00 19 11.6 r 703
2012-04-20 11:43:19 C 13 35 57.03 -00 10 00.8 o 474
2012-04-20 11:44:38 C 13 35 56.82 -00 10 25.4 o 474
2012-04-20 11:45:57 C 13 35 56.60 -00 10 49.7 o 474
2012-04-20 11:47:17 C 13 35 56.35 -00 11 14.3 o 474
2012-04-20 14:46:29 C 13 35 25.46 -01 08 05.8 o 474
2012-04-20 14:47:48 C 13 35 25.20 -01 08 30.8 o 474
2012-04-20 14:49:07 C 13 35 24.92 -01 08 56.8 o 474
2012-04-20 14:50:26 C 13 35 24.77 -01 09 22.7 o 474
2012-04-20 22:27:21 C 13 34 35.56 -03 50 41.2 u 203
2012-04-20 22:59:31 C 13 34 29.45 -04 02 12.0 t 204
2012-04-20 23:00:45 C 13 34 29.14 -04 02 38.2 u 203
2012-04-20 23:07:11 C 13 34 27.95 -04 04 57.5 t 204
2012-04-20 23:10:35 C 13 34 29.39 -04 06 26.2 u J95
2012-04-20 23:13:43 C 13 34 28.79 -04 07 33.9 u J95
2012-04-20 23:14:50 C 13 34 26.48 -04 07 41.6 t 204
2012-04-20 23:17:00 C 13 34 28.19 -04 08 44.8 u J95
2012-04-21 07:24:07 C 13 33 04.34 -07 06 33.8 o 807
2012-04-21 07:27:54 C 13 33 03.61 -07 08 03.8 o 807
2012-04-21 07:31:44 C 13 33 02.86 -07 09 34.9 o 807