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
2008-05-04 00:34:11 C 17 03 17.89 +26 13 14.8 r 215
2008-05-04 00:35:42 C 17 03 17.88 +26 13 25.6 r 215
2008-05-04 00:37:14 C 17 03 17.87 +26 13 36.4 r 215
2008-05-04 00:48:08 C 17 03 17.64 +26 14 52.9 17.0 r B32
2008-05-04 00:51:32 C 17 03 17.56 +26 15 16.9 17.0 r B32
2008-05-04 00:54:55 C 17 03 17.56 +26 15 41.3 16.8 r B32
2008-05-04 20:59:42 C 17 03 08.21 +28 45 27.1 r B67
2008-05-04 21:08:28 C 17 03 08.14 +28 46 35.2 r B67
2008-05-04 21:18:00 C 17 03 07.98 +28 47 50.8 r B67
2008-05-04 22:17:54 C 17 03 07.03 +28 55 40.5 c 127
2008-05-04 22:23:47 C 17 03 06.92 +28 56 26.9 c 127
2008-05-04 22:28:56 C 17 03 06.84 +28 57 07.8 c 127
2008-05-04 23:11:43 C 17 03 07.12 +29 02 53.0 r J51
2008-05-04 23:20:57 C 17 03 06.98 +29 04 06.8 r J51
2008-05-04 23:30:12 C 17 03 06.80 +29 05 21.0 r J51
2008-05-05 06:30:48 C 17 03 01.07 +30 01 48.0 r H45
2008-05-05 06:32:34 C 17 03 01.04 +30 02 02.4 r H45
2008-05-05 06:34:11 C 17 03 01.02 +30 02 15.6 r H45
2008-05-05 06:37:04 C 17 03 00.95 +30 02 39.4 r H45
2008-05-05 06:38:43 C 17 03 00.92 +30 02 52.9 r H45
2008-05-05 06:39:47 C 17 03 00.90 +30 03 01.6 r H45
2008-05-05 06:42:01 C 17 03 00.85 +30 03 19.9 r H45
2008-05-05 19:51:07 C 17 02 50.92 +31 54 18.3 o 151
2008-05-05 19:51:40 C 17 02 50.92 +31 54 23.1 o 151
2008-05-05 19:52:13 C 17 02 50.93 +31 54 28.1 o 151
2008-05-05 19:52:45 C 17 02 50.92 +31 54 32.6 o 151
2008-05-05 19:53:18 C 17 02 50.91 +31 54 37.3 o 151
2008-05-05 19:53:51 C 17 02 50.92 +31 54 42.1 o 151
2008-05-05 19:54:25 C 17 02 50.90 +31 54 46.9 o 151
2008-05-05 20:48:57 C 17 02 49.77 +32 02 49.9 o A92
2008-05-05 20:52:05 C 17 02 49.70 +32 03 17.5 o A92
2008-05-05 20:53:37 C 17 02 49.70 +32 03 30.6 o A92
2008-05-05 20:55:19 C 17 02 49.64 +32 03 46.7 o A92
2008-05-05 20:56:38 C 17 02 49.77 +32 03 58.1 o A92
2008-05-05 20:58:20 C 17 02 49.64 +32 04 13.2 o A92
2008-05-05 21:01:27 C 17 02 49.53 +32 04 40.2 o A92
2008-05-05 21:05:35 C 17 02 49.41 +32 05 16.2 o A92
2008-05-05 21:07:37 C 17 02 49.42 +32 05 33.9 o A92
2008-05-05 21:08:34 C 17 02 49.34 +32 05 42.9 o A92
2008-05-05 21:10:50 C 17 02 49.34 +32 06 03.3 o A92
2008-05-05 22:31:31 C 17 02 47.92 +32 17 52.8 c 127
2008-05-05 22:38:03 C 17 02 47.78 +32 18 50.6 c 127
2008-05-05 22:41:24 C 17 02 47.70 +32 19 20.4 c 127
2008-05-05 22:44:29 C 17 02 47.63 +32 19 47.7 c 127
2008-05-06 09:44:32 C 17 02 34.98 +33 59 59.8 r 703
2008-05-06 09:52:34 C 17 02 34.76 +34 01 15.0 r 703
2008-05-06 10:00:40 C 17 02 34.54 +34 02 30.3 r 703
2008-05-06 20:28:44 C 17 02 24.27 +35 42 26.9 o 198
2008-05-06 20:31:38 C 17 02 24.20 +35 42 55.5 o 198
2008-05-06 20:52:08 C 17 02 23.70 +35 46 18.3 o 198