465402 (2008 HW1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.9600469670 ± 2.14e-09
Semi-major axis (a)2.5857488222 AU ± 8.71e-10
Inclination (i)10.46620799° ± 1.86e-06
Long. of Asc. Node (Ω)127.42972597° ± 1.29e-05
Arg. of Perihelion (ω)250.74299990° ± 1.21e-05
Mean Anomaly (M)69.97425658° ± 3.03e-07
Mean Motion (n)0.2370460773°/day ± 1.20e-10
Perihelion dist (q)0.10330851 AU ± 5.54e-09
Aphelion dist (Q)5.06818914 AU ± 5.80e-09
Orbital Period4.15795230 yr ± 2.10e-09
Physical Parameters
H (abs. magnitude)17.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.200″
Uncertainty0
Orbit TypeApollo
MOID0.107247 AU
Observations Used661
Oppositions13
Arc Total2008-2025
First Observation Used2008-03-30
Last Observation Used2025-05-03
Observations (729)
Date Type RA Dec Mag Band Observatory
2008-05-06 21:43:44 C 17 02 22.42 +35 54 49.1 c 196
2008-05-06 21:57:14 C 17 02 22.08 +35 57 02.8 c 196
2008-05-07 21:34:03 C 17 01 46.19 +40 04 07.6 r B09
2008-05-07 21:44:28 C 17 01 45.71 +40 05 57.4 c 196
2008-05-07 21:51:10 C 17 01 45.48 +40 07 12.1 c 196
2008-05-07 21:54:53 C 17 01 45.45 +40 07 57.1 r B09
2008-05-07 22:06:02 C 17 01 45.01 +40 10 01.3 r B09
2008-05-07 22:11:17 C 17 01 44.73 +40 10 56.1 c 196
2008-05-08 03:58:37 C 17 01 34.38 +41 15 56.7 r H51
2008-05-08 03:59:24 C 17 01 34.35 +41 16 05.2 r H51
2008-05-08 04:00:14 C 17 01 34.32 +41 16 14.8 r H51
2008-05-08 04:01:03 C 17 01 34.29 +41 16 24.4 r H51
2008-05-08 04:31:31 C 17 01 33.09 +41 22 13.8 r H51
2008-05-08 04:32:20 C 17 01 33.07 +41 22 22.6 r H51
2008-05-08 04:33:09 C 17 01 33.06 +41 22 32.5 r H51
2008-05-08 04:33:56 C 17 01 32.99 +41 22 41.3 r H51
2008-05-08 04:49:12 C 17 01 32.45 +41 25 36.4 o H51
2008-05-08 04:50:00 C 17 01 32.36 +41 25 45.2 o H51
2008-05-08 04:51:38 C 17 01 32.30 +41 26 04.0 o H51
2008-05-08 05:34:42 C 17 01 30.53 +41 34 19.4 o H51
2008-05-08 05:35:32 C 17 01 30.50 +41 34 28.8 o H51
2008-05-08 05:36:21 C 17 01 30.48 +41 34 37.9 o H51
2008-05-08 20:36:09 C 17 00 58.21 +44 32 13.4 r 113
2008-05-08 20:36:42 C 17 00 58.18 +44 32 20.5 r 113
2008-05-08 20:37:13 C 17 00 58.16 +44 32 26.7 r 113
2008-05-08 20:37:43 C 17 00 58.14 +44 32 33.0 r 113
2008-05-08 20:38:13 C 17 00 58.10 +44 32 39.3 r 113
2008-05-09 00:32:21 C 17 00 46.41 +45 21 03.4 o 046
2008-05-09 00:33:39 C 17 00 46.31 +45 21 19.6 o 046
2008-05-09 00:34:18 C 17 00 46.28 +45 21 27.7 o 046
2008-05-09 00:34:52 C 17 00 46.28 +45 21 35.1 o 046
2008-05-09 00:35:29 C 17 00 46.26 +45 21 42.7 o 046
2008-05-09 00:36:17 C 17 00 46.20 +45 21 52.6 o 046
2008-05-09 00:36:51 C 17 00 46.17 +45 21 59.7 o 046
2008-05-09 00:37:26 C 17 00 46.14 +45 22 07.0 o 046
2008-05-09 21:48:47 C 16 59 44.78 +49 58 08.4 c 196
2008-05-09 21:58:43 C 16 59 44.23 +50 00 29.7 c B09
2008-05-09 22:03:02 C 16 59 43.95 +50 01 29.0 c B09
2008-05-09 22:08:02 C 16 59 43.60 +50 02 37.4 c B09
2008-05-09 22:12:22 C 16 59 43.30 +50 03 36.5 c B09
2008-05-09 22:16:57 C 16 59 42.92 +50 04 35.0 c 196
2008-05-09 22:56:50 C 16 59 40.20 +50 13 41.5 c 196
2008-05-09 23:07:49 C 16 59 39.34 +50 16 18.5 15.8 o 108
2008-05-09 23:10:14 C 16 59 39.22 +50 16 50.6 16.5 o 108
2008-05-09 23:12:29 C 16 59 39.04 +50 17 23.6 16.5 o 108
2008-05-10 22:25:59 C 16 58 00.81 +55 48 48.1 o B33
2008-05-10 22:38:22 C 16 57 59.54 +55 51 53.0 o B33
2008-05-11 22:48:32 C 16 55 24.14 +62 04 25.3 o 473
2008-05-11 22:51:40 C 16 55 23.61 +62 05 15.5 o 473
2008-05-11 22:58:41 C 16 55 22.61 +62 07 09.1 c A94