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
2025-03-18 19:26:55 C 10 06 00.149 +39 05 44.72 W M01
2025-03-18 19:33:12 C 10 05 59.87 +39 05 18.5 X G02
2025-03-18 20:06:35 C 10 05 57.130 +39 03 48.35 Z C23
2025-03-18 20:16:10 B 10 05 56.201 +39 03 26.14 V 160
2025-03-18 20:21:46 B 10 05 55.661 +39 03 11.30 V 160
2025-03-18 20:23:55 C 10 05 54.800 +39 03 11.55 W M01
2025-03-18 20:26:25 C 10 05 54.569 +39 03 04.81 W M01
2025-03-18 20:27:14 B 10 05 55.142 +39 02 56.33 V 160
2025-03-18 20:28:55 C 10 05 54.339 +39 02 58.08 W M01
2025-03-18 20:56:31 C 10 05 52.582 +39 01 35.11 Z C23
2025-03-18 21:17:39 C 10 05 50.681 +39 00 38.74 Z C23
2025-03-18 21:20:05 B 10 05 50.352 +39 00 31.57 V L65
2025-03-18 21:24:17 B 10 05 49.973 +39 00 20.41 V L65
2025-03-18 21:28:28 B 10 05 49.596 +39 00 09.29 V L65
2025-03-18 21:59:39 B 10 05 46.71 +38 58 49.1 V 130
2025-03-18 22:03:11 B 10 05 46.40 +38 58 39.7 V 130
2025-03-18 22:07:13 B 10 05 46.03 +38 58 28.9 V 130
2025-03-18 22:12:15 B 10 05 45.57 +38 58 15.5 V 130
2025-03-18 23:03:10 B 10 05 41.275 +38 55 58.04 W Z80
2025-03-18 23:08:10 B 10 05 40.814 +38 55 44.54 W Z80
2025-03-18 23:13:12 B 10 05 40.378 +38 55 31.19 W Z80
2025-03-19 00:21:24 C 10 05 36.13 +38 52 32.5 X W62
2025-03-19 00:29:48 C 10 05 35.39 +38 52 10.7 X W62
2025-03-19 00:37:47 C 10 05 34.69 +38 51 49.9 X W62
2025-03-19 05:56:15 C 10 05 07.660 +38 38 07.69 V G96
2025-03-19 06:04:00 C 10 05 06.994 +38 37 47.75 V G96
2025-03-19 06:11:47 C 10 05 06.317 +38 37 27.70 V G96
2025-03-19 06:19:31 C 10 05 05.644 +38 37 07.79 V G96
2025-03-19 20:02:17 B 10 04 04.349 +38 02 51.97 V 160
2025-03-19 20:08:12 B 10 04 03.890 +38 02 37.75 V 160
2025-03-19 20:14:13 B 10 04 03.415 +38 02 23.24 V 160
2025-03-19 20:21:48 C 10 04 02.899 +38 02 01.43 Z C23
2025-03-19 20:22:57 C 10 04 02.827 +38 01 58.40 Z C23
2025-03-19 20:24:42 C 10 04 02.683 +38 01 55.20 Z C23
2025-03-20 05:26:12 C 10 03 24.782 +37 40 38.71 V 703
2025-03-20 05:30:32 C 10 03 24.448 +37 40 28.78 V 703
2025-03-20 05:34:38 C 10 03 24.134 +37 40 19.09 V 703
2025-03-20 05:38:35 C 10 03 23.872 +37 40 09.55 V 703
2025-03-20 20:36:04 B 10 02 27.281 +37 06 16.85 V L65
2025-03-20 20:40:15 B 10 02 26.990 +37 06 08.03 V L65
2025-03-20 20:44:26 B 10 02 26.743 +37 05 58.96 V L65
2025-03-20 21:03:21 C 10 02 25.603 +37 05 18.49 Z C23
2025-03-20 21:31:00 B 10 02 23.911 +37 04 18.05 W Z80
2025-03-20 21:41:00 B 10 02 23.270 +37 03 55.91 W Z80
2025-03-20 22:13:52 C 10 02 21.041 +37 02 44.34 Z C23
2025-03-20 22:27:14 C 10 02 20.206 +37 02 15.11 Z C23
2025-03-22 01:36:34 B 10 00 53.27 +36 06 18.5 Z W45
2025-03-22 01:58:21 B 10 00 52.09 +36 05 36.1 Z W45
2025-03-22 02:20:07 B 10 00 50.91 +36 04 53.7 Z W45
2025-03-22 06:53:24 C 10 00 37.091 +35 56 05.28 V 703