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
2008-04-23 21:01:39 C 09 48 36.82 +03 13 44.8 r J95
2008-04-23 21:12:16 C 09 48 38.54 +03 13 46.0 r J95
2008-04-23 21:21:48 C 09 48 39.94 +03 13 47.8 o B03
2008-04-23 21:22:59 C 09 48 40.29 +03 13 47.5 r J95
2008-04-23 22:03:17 C 09 48 46.59 +03 13 54.2 o B03
2008-04-24 01:38:22 C 09 49 22.39 +03 14 22.9 o H55
2008-04-24 01:43:40 C 09 49 23.23 +03 14 23.5 o H55
2008-04-24 01:49:17 C 09 49 24.12 +03 14 24.0 o H55
2008-04-24 02:43:33 C 09 49 33.01 +03 14 32.6 r 448
2008-04-24 02:54:49 C 09 49 34.78 +03 14 33.5 r 448
2008-04-24 03:06:06 C 09 49 36.60 +03 14 34.9 r 448
2008-04-24 03:44:25 C 09 49 42.71 +03 14 40.9 19.1 c 704
2008-04-24 03:59:49 C 09 49 45.07 +03 14 42.1 19.2 c 704
2008-04-24 04:15:45 C 09 49 47.58 +03 14 44.9 19.0 c 704
2008-04-24 04:31:06 C 09 49 50.09 +03 14 45.8 18.8 c 704
2008-04-24 11:00:10 C 09 50 52.64 +03 15 30.3 o 300
2008-04-24 11:02:50 C 09 50 52.93 +03 15 31.6 o 300
2008-04-24 11:05:29 C 09 50 53.53 +03 15 32.2 o 300
2008-04-24 11:10:47 C 09 50 54.20 +03 15 32.6 o 300
2008-04-24 20:21:40 C 09 52 20.24 +03 16 31.3 o B03
2008-04-24 20:32:23 C 09 52 21.89 +03 16 32.7 o B03
2008-04-24 20:49:19 C 09 52 24.47 +03 16 34.6 o B03
2008-04-25 03:04:02 C 09 53 22.18 +03 17 16.8 o 291
2008-04-25 03:09:39 C 09 53 23.01 +03 17 18.1 o 291
2008-04-25 03:15:08 C 09 53 23.82 +03 17 18.0 o 291
2008-04-27 04:03:06 C 10 00 20.77 +03 21 16.5 r G96
2008-04-27 04:05:05 C 10 00 21.06 +03 21 16.7 r G96
2008-04-27 04:07:01 C 10 00 21.27 +03 21 16.8 r G96
2008-04-27 04:08:58 C 10 00 21.52 +03 21 16.9 r G96
2008-04-28 04:30:13 C 10 03 31.62 +03 22 36.7 r 448
2008-04-28 04:44:35 C 10 03 33.41 +03 22 37.3 r 448
2008-04-28 04:58:55 C 10 03 35.16 +03 22 38.0 r 448
2008-05-03 03:36:58 C 10 16 52.81 +03 24 04.0 r 448
2008-05-03 04:00:31 C 10 16 55.06 +03 24 03.6 r 448
2008-05-03 04:24:04 C 10 16 57.37 +03 24 03.0 r 448
2008-05-21 02:16:32 C 10 49 58.80 +02 46 19.6 o H55
2008-05-21 02:30:58 C 10 49 59.80 +02 46 16.8 o H55
2008-05-21 02:44:57 C 10 50 00.59 +02 46 14.2 o H55
2011-05-25 00:20:15 C 16 46 07.05 -07 40 09.6 u J95
2011-05-25 00:25:14 C 16 46 06.19 -07 40 02.9 u J95
2011-05-25 00:30:15 C 16 46 05.27 -07 39 56.3 u J95
2011-05-27 21:20:13 C 16 32 53.39 -05 58 13.7 u J95
2011-05-27 22:43:03 C 16 32 35.78 -05 55 59.9 u J95
2011-05-27 22:57:24 C 16 32 32.70 -05 55 37.6 u J95
2011-05-27 23:03:52 C 16 32 31.30 -05 55 26.7 u J95
2011-05-27 23:07:59 C 16 32 30.46 -05 55 20.5 u J95
2011-05-27 23:14:50 C 16 32 29.00 -05 55 09.2 u J95
2011-05-28 00:02:14 C 16 32 18.68 -05 53 51.7 v 204
2011-05-28 00:10:41 C 16 32 16.88 -05 53 38.1 v 204
2011-05-28 00:19:29 C 16 32 14.98 -05 53 23.8 v 204