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
2025-03-22 06:56:25 C 10 00 36.943 +35 55 59.41 V 703
2025-03-22 06:59:28 C 10 00 36.781 +35 55 53.36 V 703
2025-03-22 07:02:29 C 10 00 36.630 +35 55 47.50 V 703
2025-03-22 08:31:02 C 10 00 33.029 +35 53 03.23 V T08
2025-03-22 08:35:45 C 10 00 32.791 +35 52 54.41 V T08
2025-03-22 08:43:09 C 10 00 32.400 +35 52 40.15 V T08
2025-03-22 09:08:12 C 10 00 31.066 +35 51 52.24 V T08
2025-03-23 09:06:00 C 09 59 30.307 +35 08 04.56 V T05
2025-03-23 09:11:37 C 09 59 30.082 +35 07 54.30 V T05
2025-03-23 09:19:40 C 09 59 29.726 +35 07 40.15 V T05
2025-03-23 09:38:39 C 09 59 28.855 +35 07 07.03 V T05
2025-03-24 03:30:19 C 09 58 50.62 +34 36 43.9 V W46
2025-03-24 03:53:02 C 09 58 49.76 +34 36 06.6 V W46
2025-03-24 03:54:07 C 09 58 49.70 +34 36 04.4 V W46
2025-03-24 06:49:40 C 09 58 43.622 +34 31 17.44 V 703
2025-03-24 06:52:39 C 09 58 43.489 +34 31 12.65 V 703
2025-03-24 06:55:38 C 09 58 43.352 +34 31 07.28 V 703
2025-03-24 06:58:37 C 09 58 43.262 +34 31 02.53 V 703
2025-03-24 08:13:20 C 09 58 41.394 +34 29 05.59 X F52
2025-03-24 08:31:06 C 09 58 40.709 +34 28 36.77 X F52
2025-03-24 08:48:54 C 09 58 40.028 +34 28 07.85 X F52
2025-03-24 08:55:21 C 09 58 39.797 +34 27 57.49 V T05
2025-03-24 08:59:56 C 09 58 39.622 +34 27 50.11 V T05
2025-03-24 09:06:46 C 09 58 39.346 +34 27 38.83 X F52
2025-03-24 09:19:44 C 09 58 38.854 +34 27 17.82 V T05
2025-03-24 09:27:43 C 09 58 38.566 +34 27 04.82 V T05
2025-03-24 21:55:46 B 09 58 15.996 +34 07 10.78 W Z80
2025-03-24 22:04:49 B 09 58 15.758 +34 06 56.92 W Z80
2025-03-25 08:49:06 C 09 57 57.588 +33 50 42.68 V T08
2025-03-25 09:09:03 C 09 57 56.930 +33 50 12.77 V T08
2025-03-25 09:13:04 C 09 57 56.798 +33 50 06.47 V T08
2025-03-25 09:21:01 C 09 57 56.534 +33 49 54.66 V T08
2025-03-26 09:19:32 C 09 57 21.809 +33 15 13.43 V T08
2025-03-26 09:25:21 C 09 57 21.679 +33 15 05.33 V T08
2025-03-26 09:30:12 C 09 57 21.523 +33 14 58.45 V T08
2025-03-26 09:52:57 C 09 57 20.928 +33 14 26.45 V T08
2025-03-26 12:39:16 B 09 57 18.014 +33 10 32.23 V P87
2025-03-26 12:47:39 B 09 57 17.818 +33 10 20.71 V P87
2025-03-26 12:56:04 B 09 57 17.590 +33 10 08.94 V P87
2025-03-27 11:03:29 C 09 56 51.454 +32 40 31.76 V T05
2025-03-27 11:08:44 C 09 56 51.341 +32 40 25.03 V T05
2025-03-27 11:17:17 C 09 56 51.175 +32 40 13.69 V T05
2025-03-27 11:33:09 C 09 56 50.825 +32 39 52.96 V T05
2025-03-28 08:46:26 C 09 56 32.006 +32 13 10.09 V T05
2025-03-28 08:51:02 C 09 56 31.944 +32 13 04.19 V T05
2025-03-28 08:59:32 C 09 56 31.795 +32 12 53.35 V T05
2025-03-28 09:19:13 C 09 56 31.421 +32 12 29.38 V T05
2025-03-29 09:02:58 C 09 56 14.580 +31 44 17.81 V T08
2025-03-29 09:08:15 C 09 56 14.496 +31 44 11.54 V T08
2025-03-29 09:25:01 C 09 56 14.263 +31 43 52.28 V T08