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
2011-06-17 04:31:35 C 13 29 59.06 +14 51 35.1 o H21
2011-06-20 20:24:10 C 12 44 07.49 +18 35 31.0 v B38
2011-06-20 20:34:05 C 12 44 02.24 +18 35 53.5 v B38
2011-06-20 20:42:13 C 12 43 58.00 +18 36 11.0 v B38
2011-06-20 20:49:36 C 12 43 54.21 +18 36 26.8 v B38
2011-06-21 20:03:59 C 12 31 58.35 +19 26 31.0 u B38
2011-06-21 20:12:23 C 12 31 54.06 +19 26 48.5 u B38
2011-06-21 20:21:47 C 12 31 49.22 +19 27 07.6 u B38
2011-06-21 20:29:59 C 12 31 45.03 +19 27 24.4 u B38
2011-06-21 20:37:07 C 12 31 41.38 +19 27 39.2 u B38
2011-06-22 20:03:44 C 12 19 50.70 +20 13 51.2 u B38
2011-06-22 20:15:25 C 12 19 44.69 +20 14 11.6 u B38
2015-01-31 08:57:29 C 16 09 44.83 -26 07 17.0 u 807
2015-01-31 09:04:33 C 16 09 44.43 -26 07 16.4 u 807
2015-01-31 09:11:57 C 16 09 44.00 -26 07 15.4 u 807
2015-02-01 08:59:46 C 16 08 26.91 -26 05 10.0 u 807
2015-02-01 09:06:26 C 16 08 26.57 -26 05 09.3 u 807
2015-02-01 09:13:22 C 16 08 26.16 -26 05 09.0 u 807
2015-02-08 14:48:36 C 15 58 24.453 -25 47 04.24 L F51
2015-02-08 15:03:02 C 15 58 23.527 -25 47 02.77 L F51
2015-02-08 15:31:51 C 15 58 21.644 -25 46 59.44 L F51
2015-03-07 05:42:16 C 15 00 42.70 -22 55 14.6 u 807
2015-03-07 05:49:08 C 15 00 41.82 -22 55 11.7 u 807
2015-03-07 05:56:11 C 15 00 40.98 -22 55 09.0 u 807
2015-03-25 10:02:00 C 14 02 35.38 -18 11 50.7 R G45
2015-03-25 10:15:37 C 14 02 33.46 -18 11 39.3 R G45
2015-03-25 10:32:42 C 14 02 31.14 -18 11 25.3 R G45
2015-03-25 11:30:17 C 14 02 23.20 -18 10 39.6 R G45
2015-04-01 09:24:26 C 13 40 12.58 -15 53 58.2 o 691
2015-04-01 09:51:38 C 13 40 08.94 -15 53 35.7 o 691
2015-04-01 10:18:47 C 13 40 05.45 -15 53 12.7 o 691
2015-04-10 08:19:48 C 13 14 23.39 -12 55 28.3 q G96
2015-04-10 08:35:25 C 13 14 21.65 -12 55 15.6 q G96
2015-04-10 08:47:46 C 13 14 20.27 -12 55 05.6 q G96
2015-04-10 09:00:07 C 13 14 18.89 -12 54 55.5 q G96
2015-04-13 02:26:36 C 13 07 21.21 -12 03 00.4 V W84
2015-04-13 04:11:23 C 13 07 10.23 -12 01 39.1 V W84
2015-04-13 06:20:55 C 13 06 56.66 -11 59 58.2 V W84
2015-04-17 05:43:27 C 12 57 40.25 -10 48 32.4 q G96
2015-04-17 05:50:49 C 12 57 39.60 -10 48 27.0 q G96
2015-04-17 05:58:11 C 12 57 38.90 -10 48 22.0 q G96
2015-04-17 06:05:32 C 12 57 38.19 -10 48 16.4 q G96
2015-04-18 03:25:39 C 12 55 42.03 -10 32 50.8 L W84
2015-04-18 03:30:22 C 12 55 41.60 -10 32 47.5 L W84
2015-04-18 03:35:02 C 12 55 41.18 -10 32 44.2 L W84
2015-04-18 03:39:42 C 12 55 40.75 -10 32 40.8 L W84
2015-04-18 03:44:21 C 12 55 40.32 -10 32 37.5 L W84
2015-04-19 03:10:24 C 12 53 36.40 -10 16 08.5 L W84
2015-04-19 03:15:00 C 12 53 35.99 -10 16 05.2 L W84
2015-04-19 03:19:36 C 12 53 35.59 -10 16 02.0 L W84