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
2025-03-04 22:26:19 C 16 59 34.67 +68 52 30.9 V M32
2025-03-04 23:14:00 B 16 55 55.910 +69 02 43.51 W Z80
2025-03-04 23:20:37 B 16 55 25.579 +69 04 09.30 W Z80
2025-03-05 20:14:08 C 15 09 24.20 +71 29 00.8 V M32
2025-03-05 20:14:33 C 15 09 21.99 +71 29 01.5 V M32
2025-03-05 20:14:59 C 15 09 19.75 +71 29 01.8 V M32
2025-03-05 20:15:25 C 15 09 17.57 +71 29 02.8 V M32
2025-03-05 20:15:50 C 15 09 15.33 +71 29 03.2 V M32
2025-03-05 20:16:15 C 15 09 13.23 +71 29 03.5 V M32
2025-03-05 20:16:41 C 15 09 11.00 +71 29 04.0 V M32
2025-03-05 20:16:53 C 15 09 09.88 +71 29 04.6 V M32
2025-03-05 20:46:43 B 15 06 33.444 +71 29 17.84 W Z80
2025-03-05 23:13:36 B 14 53 56.784 +71 29 57.01 W Z80
2025-03-05 23:17:38 B 14 53 36.084 +71 29 55.61 W Z80
2025-03-06 00:05:04 C 14 49 33.578 +71 29 40.09 X M26
2025-03-06 00:06:46 C 14 49 24.857 +71 29 38.58 X M26
2025-03-06 00:08:28 C 14 49 16.186 +71 29 37.00 X M26
2025-03-06 00:10:10 C 14 49 07.457 +71 29 35.66 X M26
2025-03-06 00:11:52 C 14 48 58.745 +71 29 34.01 X M26
2025-03-06 19:00:51 C 13 24 43.64 +69 55 17.3 V M32
2025-03-06 19:01:33 C 13 24 41.01 +69 55 11.7 V M32
2025-03-06 19:02:22 C 13 24 37.87 +69 55 05.3 V M32
2025-03-06 19:03:05 C 13 24 35.26 +69 54 59.6 V M32
2025-03-06 19:03:12 C 13 24 34.80 +69 54 58.9 V M32
2025-03-06 19:04:16 C 13 24 30.73 +69 54 50.4 V M32
2025-03-06 22:53:29 B 13 10 36.271 +69 22 45.80 W Z80
2025-03-06 22:59:08 B 13 10 16.490 +69 21 56.48 W Z80
2025-03-06 23:07:16 B 13 09 47.995 +69 20 44.66 W Z80
2025-03-06 23:09:53 C 13 09 38.446 +69 20 24.72 Z C23
2025-03-06 23:15:05 C 13 09 20.215 +69 19 38.82 Z C23
2025-03-06 23:20:51 C 13 09 00.108 +69 18 47.70 Z C23
2025-03-06 23:25:47 C 13 08 43.092 +69 18 04.10 Z C23
2025-03-07 11:03:10 C 12 33 27.929 +67 24 17.32 V T08
2025-03-07 11:43:34 C 12 31 39.910 +67 17 14.28 V T08
2025-03-07 11:48:31 C 12 31 26.801 +67 16 22.19 V T08
2025-03-07 11:52:31 C 12 31 16.236 +67 15 40.21 V T08
2025-03-07 20:06:28 C 12 11 52.56 +65 46 27.5 V M32
2025-03-07 20:07:09 C 12 11 51.10 +65 46 19.6 V M32
2025-03-07 20:07:51 C 12 11 49.59 +65 46 12.3 V M32
2025-03-07 20:08:32 C 12 11 48.11 +65 46 05.1 V M32
2025-03-07 20:09:14 C 12 11 46.61 +65 45 57.7 V M32
2025-03-07 20:09:55 C 12 11 45.15 +65 45 50.1 V M32
2025-03-07 20:10:27 C 12 11 43.93 +65 45 44.3 V M32
2025-03-07 20:30:22 C 12 11 01.15 +65 42 07.0 X G02
2025-03-07 20:36:05 C 12 10 48.86 +65 41 05.3 X G02
2025-03-07 20:41:38 C 12 10 36.91 +65 40 05.2 X G02
2025-03-07 21:14:53 B 12 09 24.85 +65 34 09.1 X L99
2025-03-07 21:15:35 B 12 09 23.35 +65 34 02.4 X L99
2025-03-07 21:16:17 B 12 09 21.78 +65 33 54.9 X L99
2025-03-07 21:16:59 B 12 09 20.39 +65 33 46.9 X L99