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
2025-03-16 20:22:54 C 10 10 53.33 +41 27 22.1 X G02
2025-03-16 20:31:07 C 10 10 51.758 +41 27 03.72 W M01
2025-03-16 20:33:37 C 10 10 51.421 +41 26 55.26 W M01
2025-03-16 20:36:07 C 10 10 51.084 +41 26 46.80 W M01
2025-03-16 20:48:08 C 10 10 50.390 +41 25 55.67 Z C23
2025-03-16 21:17:19 C 10 10 46.610 +41 24 18.36 Z C23
2025-03-16 21:32:17 C 10 10 44.647 +41 23 28.28 Z C23
2025-03-16 21:40:06 C 10 10 42.606 +41 23 11.25 W M01
2025-03-16 21:42:36 C 10 10 42.278 +41 23 02.84 W M01
2025-03-16 21:45:06 C 10 10 41.949 +41 22 54.42 W M01
2025-03-16 23:50:31 C 10 10 25.766 +41 15 51.54 W M01
2025-03-16 23:53:01 C 10 10 25.447 +41 15 43.21 W M01
2025-03-16 23:55:31 C 10 10 25.128 +41 15 34.89 W M01
2025-03-17 00:56:24 C 10 10 17.582 +41 12 09.93 W M01
2025-03-17 00:58:54 C 10 10 17.269 +41 12 01.50 W M01
2025-03-17 01:01:24 C 10 10 16.957 +41 11 53.08 W M01
2025-03-17 09:00:13 C 10 09 21.971 +40 46 12.61 V 703
2025-03-17 09:03:14 C 10 09 21.647 +40 46 02.89 V 703
2025-03-17 09:06:16 C 10 09 21.258 +40 45 53.24 V 703
2025-03-17 09:09:17 C 10 09 20.905 +40 45 43.31 V 703
2025-03-17 09:12:40 C 10 09 21.886 +40 45 43.16 V T05
2025-03-17 09:17:16 C 10 09 21.322 +40 45 28.55 V T05
2025-03-17 09:27:10 C 10 09 20.110 +40 44 57.26 V T05
2025-03-17 09:43:35 C 10 09 18.120 +40 44 05.24 V T05
2025-03-17 20:53:36 B 10 08 07.320 +40 09 35.10 X K87
2025-03-17 20:54:32 B 10 08 07.106 +40 09 31.70 W G34
2025-03-17 20:55:40 B 10 08 07.082 +40 09 28.91 X K87
2025-03-17 20:57:46 B 10 08 06.850 +40 09 22.75 X K87
2025-03-17 20:59:14 B 10 08 06.614 +40 09 17.95 W G34
2025-03-17 21:01:35 B 10 08 06.331 +40 09 10.47 W G34
2025-03-17 21:07:32 B 10 08 05.721 +40 08 52.93 W G34
2025-03-17 21:10:59 B 10 08 05.355 +40 08 42.85 W G34
2025-03-17 22:17:04 B 10 07 58.546 +40 05 26.12 W Z80
2025-03-17 22:22:04 B 10 07 58.013 +40 05 11.26 W Z80
2025-03-17 22:27:05 B 10 07 57.470 +40 04 56.50 W Z80
2025-03-18 09:55:08 C 10 06 50.282 +39 32 02.58 V T08
2025-03-18 09:59:08 C 10 06 49.925 +39 31 50.84 V T08
2025-03-18 10:30:05 C 10 06 46.810 +39 30 23.22 V T08
2025-03-18 10:38:49 C 10 06 45.934 +39 29 58.67 V T08
2025-03-18 10:42:19 C 10 06 45.608 +39 29 48.17 X F51
2025-03-18 10:53:41 C 10 06 44.479 +39 29 16.10 X F51
2025-03-18 11:04:55 C 10 06 43.357 +39 28 44.08 X F51
2025-03-18 11:16:09 C 10 06 42.249 +39 28 12.23 X F51
2025-03-18 18:19:16 C 10 06 06.514 +39 08 46.17 W M01
2025-03-18 18:21:46 C 10 06 06.285 +39 08 39.47 W M01
2025-03-18 18:24:16 C 10 06 06.056 +39 08 32.76 W M01
2025-03-18 19:12:30 C 10 06 01.75 +39 06 14.0 X G02
2025-03-18 19:21:55 C 10 06 00.619 +39 05 58.09 W M01
2025-03-18 19:22:59 C 10 06 00.80 +39 05 45.8 X G02
2025-03-18 19:24:25 C 10 06 00.384 +39 05 51.41 W M01