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
2008-04-27 06:30:48 C 17 03 01.90 +12 33 31.8 r H06
2008-04-27 06:54:01 C 17 03 02.05 +12 34 54.2 r H06
2008-04-27 09:54:04 C 17 03 02.77 +12 45 39.4 r G96
2008-04-27 10:02:45 C 17 03 02.80 +12 46 10.7 r G96
2008-04-27 10:11:28 C 17 03 02.82 +12 46 42.1 r G96
2008-04-27 10:20:20 C 17 03 02.83 +12 47 13.9 r G96
2008-04-27 11:50:59 C 17 03 03.95 +12 52 59.2 r F85
2008-04-27 12:19:13 C 17 03 04.02 +12 54 41.7 r F85
2008-04-27 12:44:36 C 17 03 04.09 +12 56 13.7 r F85
2008-04-27 23:34:47 C 17 03 09.61 +13 36 05.2 r 473
2008-04-28 00:01:24 C 17 03 09.70 +13 37 46.5 r 473
2008-04-28 08:14:49 C 17 03 12.89 +14 09 33.9 r 734
2008-04-28 08:19:01 C 17 03 12.90 +14 09 50.3 r 734
2008-04-28 08:23:13 C 17 03 12.90 +14 10 06.1 r 734
2008-04-28 16:06:23 C 17 03 16.15 +14 40 54.8 o 300
2008-04-28 16:08:33 C 17 03 16.14 +14 41 03.2 o 300
2008-04-28 16:10:41 C 17 03 16.17 +14 41 11.8 o 300
2008-04-28 16:12:50 C 17 03 16.16 +14 41 20.6 o 300
2008-04-28 16:15:00 C 17 03 16.18 +14 41 29.0 o 300
2008-04-28 16:24:56 C 17 03 16.10 +14 42 10.0 o 900
2008-04-28 16:27:14 C 17 03 16.18 +14 42 16.9 o 900
2008-04-30 04:49:59 C 17 03 26.95 +17 21 10.4 r H51
2008-04-30 04:50:58 C 17 03 26.95 +17 21 15.0 r H51
2008-04-30 04:51:56 C 17 03 26.96 +17 21 19.5 r H51
2008-04-30 04:52:56 C 17 03 26.95 +17 21 24.0 r H51
2008-04-30 04:53:55 C 17 03 26.95 +17 21 28.8 r H51
2008-04-30 04:54:53 C 17 03 26.93 +17 21 33.5 r H51
2008-04-30 04:55:51 C 17 03 26.95 +17 21 37.9 r H51
2008-04-30 04:56:49 C 17 03 26.94 +17 21 42.3 r H51
2008-04-30 04:57:49 C 17 03 26.96 +17 21 47.3 r H51
2008-04-30 04:58:47 C 17 03 26.96 +17 21 51.8 r H51
2008-04-30 04:59:45 C 17 03 26.94 +17 21 56.4 r H51
2008-04-30 05:00:44 C 17 03 26.96 +17 22 01.1 r H51
2008-04-30 05:01:44 C 17 03 26.97 +17 22 05.6 r H51
2008-04-30 05:02:43 C 17 03 26.96 +17 22 10.4 r H51
2008-04-30 05:03:40 C 17 03 26.95 +17 22 14.8 r H51
2008-04-30 05:04:39 C 17 03 26.96 +17 22 19.7 r H51
2008-04-30 05:05:38 C 17 03 26.96 +17 22 24.2 r H51
2008-04-30 05:06:37 C 17 03 26.98 +17 22 29.1 r H51
2008-04-30 05:07:35 C 17 03 26.95 +17 22 33.4 r H51
2008-04-30 05:08:33 C 17 03 26.95 +17 22 38.0 r H51
2008-04-30 06:28:31 C 17 03 27.00 +17 29 00.1 r H45
2008-04-30 06:31:41 C 17 03 26.99 +17 29 14.6 r H45
2008-04-30 06:33:08 C 17 03 26.99 +17 29 22.1 r H45
2008-04-30 06:41:25 C 17 03 26.97 +17 30 01.1 r H45
2008-04-30 06:43:49 C 17 03 26.97 +17 30 12.7 r H45
2008-04-30 06:49:26 C 17 03 26.97 +17 30 39.6 r H45
2008-04-30 06:51:58 C 17 03 26.97 +17 30 51.6 r H45
2008-04-30 06:54:27 C 17 03 26.96 +17 31 03.5 r H45
2008-04-30 06:56:51 C 17 03 26.94 +17 31 14.7 r H45