2008 HT4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2298166025 ± 2.00e+00
Semi-major axis (a)1.4149665372 AU ± 3.00e+00
Inclination (i)16.70975772° ± 4.00e+00
Long. of Asc. Node (Ω)36.02542354° ± 5.00e+00
Arg. of Perihelion (ω)138.61260900° ± 6.00e+00
Mean Anomaly (M)182.66357309° ± 7.24e+00
Mean Motion (n)0.5855717800°/day ± 1.86e+00
Perihelion dist (q)1.08978510 AU ± 3.65e+00
Aphelion dist (Q)1.74016830 AU ± 4.65e+00
Orbital Period1.68315430 yr ± 5.35e+00
Physical Parameters
H (abs. magnitude)23.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.307″
Uncertainty4
Orbit TypeAmor
MOID0.127253 AU
Observations Used21
Oppositions1
Arc Total2008-2008
First Observation Used
Last Observation Used2008-05-05
Observations (21)
Date Type RA Dec Mag Band Observatory
2008-04-30 05:27:05 C 12 52 55.59 -07 44 46.4 r G96
2008-04-30 05:36:17 C 12 52 54.76 -07 45 28.5 r G96
2008-04-30 05:45:29 C 12 52 53.90 -07 46 10.4 r G96
2008-04-30 05:54:40 C 12 52 53.04 -07 46 52.1 r G96
2008-04-30 07:53:15 C 12 52 42.02 -07 55 50.4 r G96
2008-04-30 07:54:32 C 12 52 41.91 -07 55 56.0 r G96
2008-04-30 07:55:48 C 12 52 41.77 -07 56 01.6 r G96
2008-04-30 07:57:04 C 12 52 41.66 -07 56 07.6 r G96
2008-05-01 05:15:00 C 12 51 05.58 -09 31 10.6 r G96
2008-05-01 05:15:46 C 12 51 05.50 -09 31 14.6 r G96
2008-05-01 05:16:33 C 12 51 05.43 -09 31 16.8 r G96
2008-05-01 05:17:19 C 12 51 05.32 -09 31 20.9 r G96
2008-05-04 09:12:15 C 12 46 00.78 -14 41 21.5 o 474
2008-05-04 09:14:35 C 12 46 00.64 -14 41 31.2 o 474
2008-05-04 09:16:35 C 12 46 00.50 -14 41 38.4 o 474
2008-05-04 09:18:55 C 12 46 00.31 -14 41 46.8 o 474
2008-05-05 08:00:09 C 12 44 43.38 -16 06 26.7 o 474
2008-05-05 08:08:50 C 12 44 42.79 -16 06 58.2 o 474
2008-05-05 08:31:05 C 12 44 41.36 -16 08 20.2 o 474
2008-05-05 08:35:23 C 12 44 41.08 -16 08 36.6 o 474
2008-05-05 08:39:37 C 12 44 40.81 -16 08 52.0 o 474