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
2012-04-21 05:01:36 C 13 00 20.10 -19 51 54.4 o H01
2012-04-21 05:13:28 C 13 00 20.49 -19 51 01.3 o H01
2012-04-21 05:23:39 C 13 00 20.97 -19 50 14.8 c 651
2012-04-21 05:24:43 C 13 00 21.00 -19 50 10.1 c 651
2012-04-21 05:25:47 C 13 00 21.08 -19 50 04.8 c 651
2012-04-21 05:29:18 C 13 00 21.02 -19 49 50.5 o H01
2012-04-21 05:43:58 C 13 00 21.51 -19 48 44.9 o H01
2012-04-21 06:03:00 C 13 00 21.81 -19 47 20.6 u H36
2012-04-21 06:05:24 C 13 00 21.88 -19 47 09.8 u H36
2012-04-21 06:10:01 C 13 00 22.02 -19 46 49.4 u H36
2012-04-21 12:08:19 C 13 00 36.91 -19 19 44.1 o 474
2012-04-21 12:09:19 C 13 00 36.96 -19 19 39.5 o 474
2012-04-21 12:10:21 C 13 00 37.00 -19 19 35.0 o 474
2012-04-21 12:11:21 C 13 00 37.03 -19 19 30.7 o 474
2012-04-21 12:12:23 C 13 00 37.08 -19 19 26.3 o 474
2012-04-21 12:24:33 C 13 00 38.00 -19 18 37.9 o E23
2012-04-21 12:32:43 C 13 00 38.36 -19 18 03.0 o E23
2012-04-21 23:01:04 C 13 01 03.38 -18 33 36.9 u J95
2012-04-21 23:04:27 C 13 01 03.48 -18 33 22.5 u J95
2012-04-21 23:08:25 C 13 01 03.61 -18 33 05.3 u J95
2012-04-22 04:37:06 C 13 01 16.88 -18 10 05.8 u H36
2012-04-22 04:42:54 C 13 01 17.06 -18 09 41.8 u H36
2012-04-22 04:48:49 C 13 01 17.24 -18 09 17.4 u H36
2012-04-22 04:54:05 C 13 01 17.40 -18 08 55.2 u H36
2012-04-22 05:27:29 C 13 01 18.80 -18 06 35.9 18.4 c 704
2012-04-22 05:43:00 C 13 01 19.30 -18 05 31.3 18.4 c 704
2012-04-22 06:14:02 C 13 01 20.24 -18 03 22.8 18.5 c 704
2012-04-22 06:29:33 C 13 01 20.74 -18 02 18.5 18.5 c 704
2012-04-22 08:39:00 C 13 01 27.04 -17 52 47.4 o 474
2012-04-22 08:40:00 C 13 01 27.06 -17 52 43.8 o 474
2012-04-22 08:41:02 C 13 01 27.10 -17 52 39.2 o 474
2012-04-22 08:42:02 C 13 01 27.14 -17 52 35.4 o 474
2012-04-22 08:43:03 C 13 01 27.16 -17 52 31.2 o 474
2012-04-22 08:44:04 C 13 01 27.21 -17 52 26.9 o 474
2012-04-22 08:46:30 C 13 01 27.15 -17 52 17.1 r E94
2012-04-22 09:17:59 C 13 01 28.19 -17 50 11.2 r E94
2012-04-22 09:48:10 C 13 01 29.16 -17 48 08.7 r E94
2012-04-22 23:18:10 C 13 02 00.82 -16 54 16.3 o 807
2012-04-22 23:19:50 C 13 02 00.89 -16 54 09.8 o 807
2012-04-22 23:23:09 C 13 02 01.00 -16 53 56.8 o 807
2012-04-22 23:25:57 C 13 02 01.08 -16 53 46.0 o 807
2012-04-23 06:01:46 C 13 02 13.54 -16 28 53.2 u H21
2012-04-23 06:04:26 C 13 02 13.62 -16 28 42.9 u H21
2012-04-23 06:06:51 C 13 02 13.69 -16 28 33.6 u H21
2012-04-23 06:10:55 C 13 02 13.82 -16 28 17.9 u H21
2012-04-23 11:29:16 C 13 02 24.874 -16 08 05.81 t 568
2012-04-23 11:30:31 C 13 02 24.911 -16 08 01.06 t 568
2012-04-23 11:31:46 C 13 02 24.947 -16 07 56.36 t 568
2012-04-24 06:43:02 C 13 03 05.99 -14 58 15.7 u H45
2012-04-24 06:44:37 C 13 03 06.05 -14 58 10.3 u H45