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
2025-04-22 04:02:38 C 08 44 50.248 +06 35 36.96 V 703
2025-04-24 03:54:58 C 08 59 59.428 +06 25 11.82 V 703
2025-04-24 03:58:18 C 09 00 00.371 +06 25 10.78 V 703
2025-04-24 04:01:38 C 09 00 01.328 +06 25 11.14 V 703
2025-04-24 04:04:57 C 09 00 02.383 +06 25 09.01 V 703
2025-04-25 09:11:33 C 09 08 09.08 +06 18 53.1 V Q62
2025-04-25 09:16:05 C 09 08 10.26 +06 18 52.1 V Q62
2025-04-26 03:42:25 C 09 12 55.789 +06 14 22.02 V G96
2025-04-26 03:50:29 C 09 12 57.784 +06 14 20.22 V G96
2025-04-26 03:58:33 C 09 12 59.782 +06 14 18.28 V G96
2025-04-26 04:06:39 C 09 13 01.783 +06 14 16.37 V G96
2025-04-27 07:10:11 C 09 19 32.890 +06 08 06.86 V T05
2025-04-27 07:18:29 C 09 19 34.795 +06 08 04.81 V T05
2025-04-27 07:23:04 C 09 19 35.899 +06 08 03.80 V T05
2025-04-27 07:41:00 C 09 19 39.953 +06 07 59.12 V T05
2025-04-27 19:10:45 C 09 22 17.045 +06 05 33.97 V M22
2025-04-27 19:15:18 C 09 22 17.981 +06 05 33.04 V M22
2025-04-27 19:29:40 C 09 22 21.144 +06 05 30.23 V M22
2025-04-27 20:09:59 C 09 22 29.986 +06 05 20.11 V M22
2025-04-28 00:58:24 C 09 23 34.23 +06 03 56.1 X W62
2025-04-28 01:01:25 C 09 23 34.88 +06 03 55.4 X W62
2025-04-28 01:04:27 C 09 23 35.54 +06 03 54.9 X W62
2025-04-30 05:18:20 C 09 34 17.771 +05 51 55.76 V 703
2025-04-30 05:21:35 C 09 34 18.343 +05 51 53.86 V 703
2025-04-30 05:28:06 C 09 34 19.711 +05 51 52.42 V 703
2025-05-20 03:57:54 C 10 33 19.955 +04 04 21.07 V G96
2025-05-20 04:05:59 C 10 33 20.617 +04 04 18.66 V G96
2025-05-20 04:14:04 C 10 33 21.283 +04 04 17.47 V G96
2025-05-20 04:22:09 C 10 33 21.938 +04 04 15.31 V G96