2008 HJ

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4071374504 ± 2.00e+00
Semi-major axis (a)1.6320153752 AU ± 3.00e+00
Inclination (i)0.92358904° ± 4.00e+00
Long. of Asc. Node (Ω)47.45550676° ± 5.00e+00
Arg. of Perihelion (ω)204.20731812° ± 6.00e+00
Mean Anomaly (M)139.19517833° ± 9.11e-02
Mean Motion (n)0.4727208000°/day ± 1.30e+00
Perihelion dist (q)0.96755730 AU ± 3.72e+00
Aphelion dist (Q)2.29653850 AU ± 5.34e+00
Orbital Period2.08496780 yr ± 5.75e+00
Physical Parameters
H (abs. magnitude)25.85
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.520″
Uncertainty2
Orbit TypeApollo
MOID0.001789 AU
Observations Used92
Oppositions1
Arc Total2008-2008
First Observation Used
Last Observation Used2008-04-30
Observations (97)
Date Type RA Dec Mag Band Observatory
2008-04-27 11:17:30 C 14 26 38.37 -00 56 39.2 W T11
2008-04-27 11:17:37 C 14 26 38.57 -00 56 39.5 W T11
2008-04-27 11:17:44 C 14 26 38.79 -00 56 39.8 W T11
2008-04-27 11:17:52 C 14 26 38.99 -00 56 40.3 W T11
2008-04-27 11:17:59 C 14 26 39.20 -00 56 40.5 W T11
2008-04-27 11:41:50 C 14 27 20.38 -00 58 05.1 W T11
2008-04-27 11:42:03 C 14 27 20.74 -00 58 05.8 W T11
2008-04-27 11:42:15 C 14 27 21.10 -00 58 06.6 W T11
2008-04-27 11:42:27 C 14 27 21.46 -00 58 07.4 W T11
2008-04-27 12:04:52 C 14 28 00.67 -00 59 27.4 W T11
2008-04-27 12:05:04 C 14 28 01.00 -00 59 28.0 W T11
2008-04-27 12:05:17 C 14 28 01.38 -00 59 28.9 W T11
2008-04-27 12:05:29 C 14 28 01.74 -00 59 29.6 W T11
2008-04-27 22:47:02 C 14 52 11.86 -01 47 39.1 r A81
2008-04-27 22:52:20 C 14 52 24.43 -01 48 03.5 r A81
2008-04-27 22:59:45 C 14 52 42.11 -01 48 39.0 r A81
2008-04-27 23:02:39 C 14 52 48.99 -01 48 52.5 r A81
2008-04-27 23:07:48 C 14 53 01.32 -01 49 17.0 r A81
2008-04-27 23:10:44 C 14 53 08.27 -01 49 30.6 r A81
2008-04-28 08:15:57 C 15 19 03.28 -02 35 54.3 r H45
2008-04-28 08:16:54 C 15 19 06.14 -02 36 00.0 r H45
2008-04-28 08:17:57 C 15 19 09.42 -02 36 05.7 r H45
2008-04-28 08:19:47 C 15 19 15.00 -02 36 16.7 r H45
2008-04-28 08:20:38 C 15 19 17.56 -02 36 21.2 r H45
2008-04-28 08:21:54 C 15 19 21.48 -02 36 29.2 r H45
2008-04-28 08:22:24 C 15 19 22.98 -02 36 31.2 r H45
2008-04-28 08:23:04 C 15 19 25.00 -02 36 35.2 r H45
2008-04-28 08:23:47 C 15 19 27.19 -02 36 39.3 r H45
2008-04-28 14:02:45 C 15 39 50.34 -02 53 35.6 o E10
2008-04-28 14:04:01 C 15 39 54.86 -02 53 43.9 o E10
2008-04-28 14:05:11 C 15 39 58.95 -02 53 50.9 o E10
2008-04-28 14:07:03 C 15 40 05.55 -02 54 02.9 o E10
2008-04-28 14:07:56 C 15 40 08.79 -02 54 08.3 o E10
2008-04-28 14:08:55 C 15 40 12.16 -02 54 14.8 o E10
2008-04-29 13:38:45 C 17 36 24.11 -05 34 53.8 o E10
2008-04-29 13:42:45 C 17 36 46.95 -05 35 20.1 o E10
2008-04-29 13:45:21 C 17 37 01.88 -05 35 37.5 o E10
2008-04-29 13:46:11 C 17 37 06.57 -05 35 42.8 o E10
2008-04-29 13:48:54 C 17 37 22.13 -05 36 01.0 o E10
2008-04-29 13:51:24 C 17 37 36.45 -05 36 17.4 o E10
2008-04-29 13:53:49 C 17 37 50.29 -05 36 33.5 o E10
2008-04-29 13:58:02 C 17 38 14.31 -05 37 01.4 o E10
2008-04-30 08:54:11 C 19 28 37.84 -07 13 59.6 o H55
2008-04-30 08:55:05 C 19 28 42.39 -07 14 00.8 o H55
2008-04-30 08:57:59 C 19 28 57.08 -07 14 04.9 o H55
2008-04-30 08:59:16 C 19 29 04.16 -07 14 06.6 o H55
2008-04-30 09:02:12 C 19 29 19.11 -07 14 10.3 o H55