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
2015-11-01 20:54:11 C 21 26 53.80 +01 26 11.1 q K38
2015-11-01 21:09:42 C 21 26 50.27 +01 24 33.8 q K38
2015-11-01 21:27:03 C 21 26 46.28 +01 22 43.8 q K38
2015-11-02 01:22:36 C 21 25 55.72 +00 58 01.8 R G45
2015-11-02 01:30:43 C 21 25 53.84 +00 57 10.1 R G45
2015-11-02 01:38:46 C 21 25 51.96 +00 56 19.1 R G45
2015-11-02 01:47:59 C 21 25 49.82 +00 55 20.5 R G45
2015-11-02 23:51:45 C 21 20 51.42 -01 27 16.3 u H21
2015-11-02 23:54:35 C 21 20 50.72 -01 27 35.1 u H21
2015-11-02 23:57:08 C 21 20 50.10 -01 27 51.9 u H21
2015-11-03 00:07:55 C 21 20 47.54 -01 29 02.7 u H21
2015-11-03 02:26:44 C 21 20 14.53 -01 44 14.3 q H45
2015-11-03 02:28:43 C 21 20 14.07 -01 44 27.8 q H45
2015-11-03 02:29:45 C 21 20 13.81 -01 44 34.4 q H45
2015-11-03 02:33:16 C 21 20 13.02 -01 44 57.0 q H45
2015-11-03 02:34:25 C 21 20 12.75 -01 45 05.4 q H45
2015-11-03 02:35:34 C 21 20 12.43 -01 45 12.0 q H45
2015-11-03 02:36:48 C 21 20 12.16 -01 45 20.7 q H45
2015-11-03 02:38:02 C 21 20 11.89 -01 45 28.5 q H45
2015-11-03 17:30:28 C 21 16 46.29 -03 24 43.7 q 246
2015-11-03 17:31:10 C 21 16 46.10 -03 24 48.8 q 246
2015-11-03 17:31:59 C 21 16 45.95 -03 24 54.7 q 246
2015-11-03 17:33:25 C 21 16 45.56 -03 25 04.5 q 246
2015-11-03 17:34:34 C 21 16 45.27 -03 25 11.7 q 246
2015-11-03 17:35:21 C 21 16 45.13 -03 25 16.8 q 246
2015-11-03 17:35:44 C 21 16 45.08 -03 25 19.4 q 246
2015-11-03 17:40:45 C 21 16 43.81 -03 25 52.1 q 246
2015-11-03 17:41:35 C 21 16 43.57 -03 25 59.4 q 246
2015-11-04 01:27:47 C 21 14 54.12 -04 18 25.7 R G45
2015-11-04 01:35:12 C 21 14 52.30 -04 19 16.3 R G45
2015-11-04 01:42:32 C 21 14 50.49 -04 20 05.8 R G45
2015-11-04 01:49:48 C 21 14 48.70 -04 20 55.5 R G45
2015-11-04 05:09:20 S 21 14 01.361 -04 43 09.88 L C51
2015-11-04 08:18:01 S 21 13 16.454 -05 04 40.62 L C51
2015-11-04 08:18:12 S 21 13 16.380 -05 04 42.71 L C51
2016-04-15 12:26:45 C 16 58 34.670 -09 45 21.03 L F51
2016-04-15 12:43:59 C 16 58 33.613 -09 45 05.18 L F51
2016-04-15 13:01:13 C 16 58 32.550 -09 44 49.93 L F51