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
2015-08-26 07:12:14 C 00 14 25.48 +36 22 34.0 u H21
2015-08-26 07:33:16 C 00 14 25.20 +36 22 42.6 u H21
2015-08-26 07:59:36 C 00 14 24.88 +36 22 53.9 u H21
2015-09-27 06:47:57 C 23 37 44.66 +38 06 37.0 t 705
2015-09-27 06:49:49 C 23 37 44.48 +38 06 36.3 t 705
2015-09-27 06:51:40 C 23 37 44.30 +38 06 35.6 t 705
2015-09-30 08:06:48 C 23 30 30.10 +37 31 19.5 o 291
2015-09-30 08:09:47 C 23 30 29.78 +37 31 17.7 o 291
2015-09-30 08:12:46 C 23 30 29.44 +37 31 15.9 o 291
2015-10-02 02:54:08 C 23 25 57.08 +37 03 54.1 q 703
2015-10-02 03:05:44 C 23 25 55.85 +37 03 47.1 q 703
2015-10-02 03:11:32 C 23 25 55.17 +37 03 42.3 q 703
2015-10-14 05:32:02 C 22 48 02.48 +30 51 05.9 R G45
2015-10-14 05:40:12 C 22 48 01.17 +30 50 49.6 R G45
2015-10-14 05:40:18 C 22 48 01.20 +30 50 48.8 R G45
2015-10-14 05:56:55 C 22 47 58.56 +30 50 15.3 R G45
2015-10-14 05:57:14 C 22 47 58.51 +30 50 14.7 R G45
2015-10-14 06:14:12 C 22 47 55.86 +30 49 40.2 R G45
2015-10-14 06:30:42 C 22 47 53.27 +30 49 06.7 R G45
2015-10-14 06:38:59 C 22 47 51.99 +30 48 49.3 R G45
2015-10-19 18:33:12 C 22 26 57.94 +25 21 53.8 c A24
2015-10-19 18:34:13 C 22 26 57.81 +25 21 51.1 c A24
2015-10-19 18:35:15 C 22 26 57.68 +25 21 48.0 c A24
2015-10-19 18:36:19 C 22 26 57.54 +25 21 45.1 c A24
2015-10-19 19:33:29 C 22 26 47.60 +25 18 54.2 c A24
2015-10-19 19:34:31 C 22 26 47.36 +25 18 51.4 c A24
2015-10-19 19:35:33 C 22 26 47.22 +25 18 47.5 c A24
2015-10-19 20:16:55 C 22 26 40.03 +25 16 44.9 q C77
2015-10-19 20:24:21 C 22 26 38.73 +25 16 22.5 q C77
2015-10-19 20:31:36 C 22 26 37.48 +25 16 00.9 q C77
2015-10-21 01:32:24 C 22 21 43.44 +23 45 23.9 u H21
2015-10-21 01:35:56 C 22 21 42.81 +23 45 12.4 u H21
2015-10-21 01:38:57 C 22 21 42.27 +23 45 02.6 u H21
2015-10-21 01:41:57 C 22 21 41.74 +23 44 52.7 u H21
2015-10-21 01:44:57 C 22 21 41.19 +23 44 43.2 u H21
2015-10-21 01:47:58 C 22 21 40.66 +23 44 33.2 u H21
2015-10-21 01:49:30 C 22 21 40.38 +23 44 28.2 u H21
2015-10-21 01:52:56 C 22 21 39.78 +23 44 17.3 u H21
2015-10-21 01:55:26 C 22 21 39.32 +23 44 09.0 u H21
2015-10-21 18:02:38 C 22 18 53.30 +22 50 26.3 c A53
2015-10-21 18:23:26 C 22 18 49.49 +22 49 16.3 c A53
2015-10-21 18:45:16 C 22 18 45.58 +22 48 02.0 c A53
2015-10-21 20:52:02 C 22 18 22.74 +22 40 47.6 q 204
2015-10-21 20:56:27 C 22 18 21.95 +22 40 32.6 q 204
2015-10-21 21:00:51 C 22 18 21.15 +22 40 17.5 q 204
2015-10-21 21:04:23 C 22 18 20.44 +22 40 05.5 u A48
2015-10-21 21:05:16 C 22 18 20.36 +22 40 02.4 q 204
2015-10-21 21:07:18 C 22 18 19.91 +22 39 54.9 u A48
2015-10-21 21:09:41 C 22 18 19.56 +22 39 46.9 q 204
2015-10-21 21:10:11 C 22 18 19.36 +22 39 45.3 u A48