2012 HG8

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7278678548 ± 3.35e-08
Semi-major axis (a)2.4600698483 AU ± 2.55e-08
Inclination (i)25.58019664° ± 1.17e-05
Long. of Asc. Node (Ω)214.47946156° ± 4.59e-06
Arg. of Perihelion (ω)256.83935156° ± 1.10e-05
Mean Anomaly (M)206.77877315° ± 1.48e-05
Mean Motion (n)0.2554413019°/day ± 3.97e-09
Perihelion dist (q)0.66946409 AU ± 8.27e-08
Aphelion dist (Q)4.25067561 AU ± 9.35e-08
Orbital Period3.85852357 yr ± 6.00e-08
Physical Parameters
H (abs. magnitude)19.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.323″
Uncertainty0
Orbit TypeApollo
MOID0.001629 AU
Observations Used324
Oppositions3
Arc Total2012-2016
First Observation Used2012-04-20
Last Observation Used2016-04-15
Observations (338)
Date Type RA Dec Mag Band Observatory
2012-04-20 06:06:58 C 12 59 20.29 -21 38 39.9 r 703
2012-04-20 06:18:38 C 12 59 20.72 -21 37 43.3 r 703
2012-04-20 06:30:19 C 12 59 21.15 -21 36 46.5 r 703
2012-04-20 06:42:09 C 12 59 21.58 -21 35 49.3 r 703
2012-04-20 07:41:38 C 12 59 23.67 -21 31 02.0 r 703
2012-04-20 07:42:37 C 12 59 23.74 -21 30 57.2 r 703
2012-04-20 07:43:38 C 12 59 23.74 -21 30 52.3 r 703
2012-04-20 07:44:36 C 12 59 23.82 -21 30 47.8 r 703
2012-04-20 09:13:29 C 12 59 29.51 -21 23 00.7 o 474
2012-04-20 09:14:30 C 12 59 29.52 -21 22 55.8 o 474
2012-04-20 09:15:32 C 12 59 29.58 -21 22 50.4 o 474
2012-04-20 09:16:31 C 12 59 29.62 -21 22 46.3 o 474
2012-04-20 14:05:57 C 12 59 40.77 -20 59 58.8 o E23
2012-04-20 14:15:56 C 12 59 41.14 -20 59 12.1 o E23
2012-04-20 14:19:12 C 12 59 41.27 -20 58 57.6 r E12
2012-04-20 14:25:26 C 12 59 41.43 -20 58 26.8 o E23
2012-04-20 14:47:41 C 12 59 42.27 -20 56 43.0 r E12
2012-04-20 15:17:51 C 12 59 43.347 -20 54 20.99 r E12
2012-04-20 15:18:24 C 12 59 43.396 -20 54 17.83 r E12
2012-04-20 15:18:54 C 12 59 43.410 -20 54 15.30 r E12
2012-04-20 21:28:13 C 13 00 00.81 -20 26 17.2 t 204
2012-04-20 21:33:56 C 13 00 01.02 -20 25 51.0 t 204
2012-04-20 21:39:40 C 13 00 01.22 -20 25 24.8 t 204
2012-04-20 22:53:20 C 13 00 04.12 -20 19 48.2 u J95
2012-04-20 22:58:02 C 13 00 04.30 -20 19 26.6 u J95
2012-04-20 22:58:47 C 13 00 05.90 -20 18 39.8 u I39
2012-04-20 23:02:49 C 13 00 04.46 -20 19 04.6 u J95
2012-04-20 23:12:10 C 13 00 06.68 -20 17 39.2 o 807
2012-04-20 23:16:10 C 13 00 06.63 -20 17 21.5 u I39
2012-04-20 23:19:39 C 13 00 06.98 -20 17 05.7 o 807
2012-04-20 23:24:32 C 13 00 07.17 -20 16 43.1 o 807
2012-04-20 23:27:00 C 13 00 07.26 -20 16 32.1 o 807
2012-04-20 23:33:33 C 13 00 07.24 -20 16 01.6 u I39
2012-04-21 03:17:58 C 13 00 16.63 -19 59 37.5 o G48
2012-04-21 03:18:44 C 13 00 16.65 -19 59 34.3 o G48
2012-04-21 03:19:30 C 13 00 16.69 -19 59 30.4 o G48
2012-04-21 03:20:17 C 13 00 16.73 -19 59 27.1 o G48
2012-04-21 03:21:04 C 13 00 16.75 -19 59 23.5 o G48
2012-04-21 03:21:48 C 13 00 16.77 -19 59 19.7 o G48
2012-04-21 03:22:37 C 13 00 16.80 -19 59 16.4 o G48
2012-04-21 03:23:23 C 13 00 16.83 -19 59 13.2 o G48
2012-04-21 03:24:12 C 13 00 16.85 -19 59 09.5 o G48
2012-04-21 03:24:55 C 13 00 16.88 -19 59 06.2 o G48
2012-04-21 03:26:54 C 13 00 16.94 -19 58 57.9 o G48
2012-04-21 03:29:57 C 13 00 17.08 -19 58 44.0 o G48
2012-04-21 03:30:42 C 13 00 17.11 -19 58 40.8 o G48
2012-04-21 03:31:28 C 13 00 17.10 -19 58 37.1 o G48
2012-04-21 04:47:01 C 13 00 18.24 -19 52 24.5 u I48
2012-04-21 04:51:35 C 13 00 18.38 -19 52 03.7 u I48
2012-04-21 04:56:09 C 13 00 18.53 -19 51 43.4 u I48