431760 (2008 HE)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.9505178906 ± 1.01e-08
Semi-major axis (a)2.2617027002 AU ± 1.94e-09
Inclination (i)9.83708458° ± 4.47e-06
Long. of Asc. Node (Ω)215.31450926° ± 1.38e-05
Arg. of Perihelion (ω)185.38467002° ± 1.43e-05
Mean Anomaly (M)74.24121945° ± 2.05e-06
Mean Motion (n)0.2897737235°/day ± 3.73e-10
Perihelion dist (q)0.11191382 AU ± 2.27e-08
Aphelion dist (Q)4.41149158 AU ± 2.30e-08
Orbital Period3.40136528 yr ± 4.38e-09
Physical Parameters
H (abs. magnitude)18.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.285″
Uncertainty0
Orbit TypeApollo
MOID0.083587 AU
Observations Used260
Oppositions12
Arc Total2008-2025
First Observation Used2008-04-18
Last Observation Used2025-05-20
Observations (279)
Date Type RA Dec Mag Band Observatory
2008-04-18 03:19:42 C 09 20 01.39 +02 44 06.7 r 703
2008-04-18 03:32:03 C 09 20 04.52 +02 44 10.4 r 703
2008-04-18 03:44:21 C 09 20 07.69 +02 44 14.3 r 703
2008-04-18 03:56:42 C 09 20 10.93 +02 44 17.5 r 703
2008-04-18 04:43:05 C 09 20 22.932 +02 44 31.48 o 673
2008-04-18 04:48:18 C 09 20 24.07 +02 44 33.9 r 703
2008-04-18 04:50:24 C 09 20 24.810 +02 44 33.73 o 673
2008-04-18 05:00:34 C 09 20 27.421 +02 44 36.93 o 673
2008-04-18 05:00:53 C 09 20 27.26 +02 44 37.6 r 703
2008-04-18 05:05:14 C 09 20 28.619 +02 44 38.61 o 673
2008-04-18 05:13:31 C 09 20 30.53 +02 44 42.0 r 703
2008-04-18 05:26:12 C 09 20 33.79 +02 44 46.2 r 703
2008-04-19 03:44:13 C 09 26 08.52 +02 51 27.4 r 448
2008-04-19 03:51:24 C 09 26 10.21 +02 51 29.5 r 448
2008-04-19 03:58:34 C 09 26 11.93 +02 51 31.7 r 448
2008-04-19 06:35:55 C 09 26 48.83 +02 52 14.8 c 854
2008-04-19 06:42:52 C 09 26 50.52 +02 52 17.3 c 854
2008-04-19 06:49:48 C 09 26 52.11 +02 52 18.2 c 854
2008-04-19 19:29:50 C 09 29 48.82 +02 55 34.7 o 198
2008-04-19 19:45:05 C 09 29 52.12 +02 55 38.8 o 198
2008-04-19 19:47:26 C 09 29 52.66 +02 55 39.4 o 198
2008-04-19 19:55:02 C 09 29 54.35 +02 55 41.8 o 185
2008-04-19 20:06:53 C 09 29 56.87 +02 55 44.0 o B03
2008-04-19 20:26:30 C 09 30 01.33 +02 55 49.8 o 185
2008-04-19 20:36:27 C 09 30 03.39 +02 55 52.4 o B03
2008-04-19 20:52:50 C 09 30 07.05 +02 55 56.0 o B03
2008-04-19 22:37:14 C 09 30 30.13 +02 56 22.9 c 595
2008-04-19 22:50:19 C 09 30 33.13 +02 56 25.9 c 595
2008-04-20 09:58:14 C 09 33 00.23 +02 59 29.2 r D90
2008-04-20 10:02:49 C 09 33 01.17 +02 59 29.5 r D90
2008-04-20 10:03:35 C 09 33 01.34 +02 59 29.5 r D90
2008-04-20 19:19:07 C 09 34 58.50 +03 01 11.2 o B03
2008-04-20 19:30:48 C 09 35 00.90 +03 01 13.1 o B03
2008-04-20 19:42:04 C 09 35 03.19 +03 01 14.7 o B03
2008-04-21 02:47:07 C 09 36 30.37 +03 02 47.7 19.3 o H55
2008-04-21 02:52:26 C 09 36 31.42 +03 02 48.9 19.5 o H55
2008-04-21 02:57:45 C 09 36 32.46 +03 02 50.1 19.5 o H55
2008-04-21 04:01:44 C 09 36 45.43 +03 03 04.9 r 448
2008-04-21 04:09:17 C 09 36 46.94 +03 03 06.1 r 448
2008-04-21 04:15:56 C 09 36 48.26 +03 03 07.9 r 448
2008-04-21 04:22:36 C 09 36 49.53 +03 03 09.1 r 448
2008-04-21 04:28:44 C 09 36 50.78 +03 03 10.1 r 448
2008-04-22 03:49:52 C 09 41 22.64 +03 07 33.5 o H55
2008-04-22 04:00:12 C 09 41 24.57 +03 07 35.5 o H55
2008-04-22 04:11:01 C 09 41 26.55 +03 07 37.2 o H55
2008-04-22 10:49:20 C 09 42 40.72 +03 08 47.2 o 300
2008-04-22 10:52:26 C 09 42 41.24 +03 08 46.8 o 300
2008-04-22 10:54:35 C 09 42 41.50 +03 08 47.3 o 300
2008-04-22 10:56:46 C 09 42 41.91 +03 08 47.2 o 300
2008-04-22 10:58:55 C 09 42 42.43 +03 08 48.8 o 300