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
2025-03-29 09:40:02 C 09 56 14.028 +31 43 34.61 V T08
2025-03-30 05:49:15 C 09 56 03.649 +31 20 52.73 V 703
2025-03-30 05:52:16 C 09 56 03.606 +31 20 49.56 V 703
2025-03-30 05:55:17 C 09 56 03.588 +31 20 46.21 V 703
2025-03-30 05:58:18 C 09 56 03.577 +31 20 42.65 V 703
2025-03-31 06:06:18 C 09 55 55.600 +30 54 59.85 X F51
2025-03-31 06:15:26 C 09 55 54.786 +30 54 47.92 V 703
2025-03-31 06:18:46 C 09 55 54.757 +30 54 44.86 V 703
2025-03-31 06:22:08 C 09 55 54.714 +30 54 40.72 V 703
2025-03-31 06:24:04 C 09 55 55.451 +30 54 41.58 X F51
2025-03-31 06:25:29 C 09 55 54.700 +30 54 37.58 V 703
2025-03-31 06:41:50 C 09 55 55.295 +30 54 23.30 X F51
2025-03-31 06:59:40 C 09 55 55.139 +30 54 04.91 X F51
2025-03-31 08:39:36 C 09 55 54.281 +30 52 21.47 V T05
2025-03-31 08:40:15 C 09 55 54.247 +30 52 20.78 V T05
2025-03-31 08:49:18 C 09 55 54.216 +30 52 11.60 V T05
2025-03-31 08:49:57 C 09 55 54.209 +30 52 10.74 V T05
2025-03-31 08:56:12 C 09 55 54.115 +30 52 04.55 V T05
2025-03-31 08:56:55 C 09 55 54.106 +30 52 03.54 V T05
2025-03-31 09:03:16 C 09 55 54.084 +30 51 56.77 V T05
2025-03-31 09:03:58 C 09 55 54.086 +30 51 56.05 V T05
2025-04-20 04:01:20 C 10 01 49.480 +25 13 21.50 V G96
2025-04-20 04:08:51 C 10 01 49.663 +25 13 17.65 V G96
2025-04-20 04:16:21 C 10 01 49.829 +25 13 14.20 V G96
2025-04-20 04:23:54 C 10 01 50.002 +25 13 10.67 V G96
2025-05-03 03:47:10 C 10 10 20.122 +22 46 00.91 V G96
2025-05-03 03:54:41 C 10 10 20.309 +22 45 56.99 V G96
2025-05-03 04:02:11 C 10 10 20.557 +22 45 54.86 V G96
2025-05-03 04:09:42 C 10 10 20.888 +22 45 51.34 V G96