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
2011-05-28 22:56:19 C 16 27 19.73 -05 15 50.3 u A50
2011-05-28 22:57:13 C 16 27 19.53 -05 15 48.7 u A50
2011-05-28 23:20:18 C 16 27 14.27 -05 15 09.2 u A50
2011-05-28 23:21:13 C 16 27 14.06 -05 15 07.7 u A50
2011-05-28 23:44:19 C 16 27 08.81 -05 14 28.2 u A50
2011-05-28 23:45:13 C 16 27 08.61 -05 14 26.6 u A50
2011-05-29 05:17:00 C 16 25 54.39 -05 04 50.7 o 691
2011-05-29 05:42:30 C 16 25 48.48 -05 04 06.5 o 691
2011-05-29 06:08:01 C 16 25 42.55 -05 03 22.4 o 691
2011-05-29 21:39:42 C 16 22 05.50 -04 35 55.9 u B67
2011-05-29 21:48:10 C 16 22 03.47 -04 35 40.5 u B67
2011-05-29 21:56:19 C 16 22 01.51 -04 35 26.0 u B67
2011-05-30 00:22:08 C 16 21 26.26 -04 31 02.0 v 204
2011-05-30 00:31:14 C 16 21 24.05 -04 30 45.5 v 204
2011-05-30 00:40:21 C 16 21 21.83 -04 30 28.9 v 204
2011-06-01 07:06:15 C 16 07 23.43 -02 44 50.8 u H45
2011-06-01 07:08:42 C 16 07 22.77 -02 44 45.9 u H45
2011-06-01 07:10:12 C 16 07 22.36 -02 44 42.7 u H45
2011-06-01 07:11:43 C 16 07 21.93 -02 44 39.8 u H45
2011-06-01 07:13:48 C 16 07 21.33 -02 44 35.4 u H45
2011-06-03 05:22:08 C 15 53 56.94 -01 04 02.3 r 703
2011-06-03 05:40:31 C 15 53 51.18 -01 03 20.1 r 703
2011-06-03 05:49:42 C 15 53 48.30 -01 02 59.0 r 703
2011-06-04 07:02:54 C 15 45 47.55 -00 03 32.9 t H47
2011-06-04 07:08:06 C 15 45 45.84 -00 03 20.2 t H47
2011-06-04 07:13:17 C 15 45 44.23 -00 03 07.5 t H47
2011-06-07 03:41:47 C 15 21 34.13 +02 53 55.8 c H06
2011-06-07 03:46:41 C 15 21 32.19 +02 54 08.8 c H06
2011-06-07 03:51:35 C 15 21 30.41 +02 54 23.0 c H06
2011-06-07 06:57:10 C 15 20 18.21 +03 02 52.4 u H45
2011-06-07 06:58:42 C 15 20 17.69 +03 02 56.8 u H45
2011-06-07 06:59:47 C 15 20 17.21 +03 02 59.7 u H45
2011-06-07 07:02:56 C 15 20 16.00 +03 03 08.3 u H45
2011-06-07 07:04:45 C 15 20 15.30 +03 03 13.3 u H45
2011-06-08 06:22:50 C 15 11 07.76 +04 08 40.3 r 703
2011-06-08 06:33:35 C 15 11 03.30 +04 09 11.2 r 703
2011-06-08 06:44:28 C 15 10 58.94 +04 09 42.3 r 703
2011-06-08 06:55:12 C 15 10 54.58 +04 10 12.7 r 703
2011-06-12 03:32:39 C 14 30 29.55 +08 47 37.6 u 448
2011-06-12 03:37:51 C 14 30 27.08 +08 47 53.8 u 448
2011-06-12 03:43:53 C 14 30 24.20 +08 48 12.4 u 448
2011-06-12 03:49:22 C 14 30 21.58 +08 48 29.6 u 448
2011-06-12 03:55:15 C 14 30 18.83 +08 48 47.8 u 448
2011-06-16 05:02:17 C 13 42 09.75 +13 44 08.4 o H21
2011-06-16 05:06:20 C 13 42 07.66 +13 44 20.2 o H21
2011-06-16 05:10:22 C 13 42 05.56 +13 44 32.1 o H21
2011-06-16 05:14:21 C 13 42 03.49 +13 44 43.8 o H21
2011-06-17 04:17:32 C 13 30 06.46 +14 50 55.8 o H21
2011-06-17 04:25:38 C 13 30 02.19 +14 51 18.4 o H21
2011-06-17 04:29:41 C 13 30 00.07 +14 51 29.7 o H21