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
2012-05-01 05:20:54 C 13 08 10.09 -07 23 10.9 u H21
2012-05-01 05:29:31 C 13 08 10.31 -07 22 52.9 u H21
2012-05-01 05:37:43 C 13 08 10.49 -07 22 36.1 u H21
2012-05-02 05:49:51 C 13 08 50.26 -06 34 09.8 u H21
2012-05-02 05:52:30 C 13 08 50.34 -06 34 04.3 u H21
2012-05-02 05:55:09 C 13 08 50.42 -06 33 59.0 u H21
2012-05-02 20:48:46 C 13 09 15.34 -06 05 57.2 r A17
2012-05-02 21:05:39 C 13 09 15.76 -06 05 26.2 r A17
2012-05-02 21:24:46 C 13 09 16.20 -06 04 51.2 r A17
2012-05-03 04:27:33 C 13 09 27.43 -05 51 59.8 u H21
2012-05-03 04:39:38 C 13 09 27.69 -05 51 37.8 u H21
2012-05-03 04:43:36 C 13 09 27.77 -05 51 30.8 u H21
2012-05-06 23:23:20 C 13 11 52.01 -03 28 52.6 t 204
2012-05-06 23:55:54 C 13 11 52.77 -03 28 07.9 t 204
2012-05-09 23:03:51 C 13 13 46.17 -02 00 11.1 o 807
2012-05-09 23:12:29 C 13 13 46.39 -02 00 01.5 o 807
2012-05-09 23:20:15 C 13 13 46.57 -01 59 53.0 o 807
2012-05-10 05:08:07 C 13 13 54.70 -01 53 51.4 u H21
2012-05-10 05:19:05 C 13 13 54.95 -01 53 39.1 u H21
2012-05-10 05:29:07 C 13 13 55.17 -01 53 28.2 u H21
2012-05-12 05:28:39 C 13 15 11.55 -01 04 57.1 r 703
2012-05-12 05:38:23 C 13 15 11.70 -01 04 47.4 r 703
2012-05-12 05:48:16 C 13 15 11.95 -01 04 39.0 r 703
2012-05-12 05:58:05 C 13 15 12.34 -01 04 29.2 r 703
2012-05-15 04:09:45 C 13 17 05.14 -00 05 12.0 u H21
2012-05-15 04:16:59 C 13 17 05.33 -00 05 06.1 u H21
2012-05-15 04:24:14 C 13 17 05.49 -00 05 00.2 u H21
2012-05-17 04:06:50 C 13 18 23.75 +00 28 34.6 u H21
2012-05-17 04:14:56 C 13 18 23.94 +00 28 39.6 u H21
2012-05-17 04:23:00 C 13 18 24.13 +00 28 45.0 u H21
2012-05-17 04:31:05 C 13 18 24.34 +00 28 50.6 u H21
2012-05-27 07:02:44 C 13 25 28.28 +02 17 01.1 o 291
2012-05-27 07:10:14 C 13 25 28.49 +02 17 03.1 o 291
2012-05-27 07:17:45 C 13 25 28.71 +02 17 05.2 o 291
2012-06-08 02:46:14 C 13 34 48.07 +02 57 44.5 u H21
2012-06-08 03:10:07 C 13 34 48.83 +02 57 45.2 u H21
2012-06-08 03:33:59 C 13 34 49.63 +02 57 45.7 u H21
2012-06-23 05:24:59 C 13 48 16.55 +02 37 43.5 o 291
2012-06-23 05:49:11 C 13 48 17.47 +02 37 40.3 o 291
2015-07-19 11:39:44 C 00 03 09.146 +28 53 05.49 t 568
2015-07-19 11:45:35 C 00 03 09.318 +28 53 08.63 t 568
2015-07-19 11:51:27 C 00 03 09.469 +28 53 11.65 t 568
2015-07-20 14:08:24 C 00 03 54.024 +29 06 55.88 t 568
2015-07-20 14:13:18 C 00 03 54.155 +29 06 58.44 t 568
2015-07-20 14:18:13 C 00 03 54.285 +29 07 01.02 t 568
2015-08-22 07:48:34 C 00 15 09.46 +35 41 11.6 u H21
2015-08-22 08:11:06 C 00 15 09.28 +35 41 21.1 u H21
2015-08-22 08:33:20 C 00 15 09.11 +35 41 30.6 u H21
2015-08-25 07:31:09 C 00 14 39.69 +36 12 31.5 u H21
2015-08-25 07:53:56 C 00 14 39.44 +36 12 40.9 u H21