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
2025-03-09 20:42:30 B 11 06 15.072 +57 23 41.57 W Z80
2025-03-10 06:42:39 C 10 58 37.726 +55 54 35.42 V 703
2025-03-10 06:46:02 C 10 58 35.299 +55 54 06.16 V 703
2025-03-10 06:49:25 C 10 58 32.884 +55 53 37.03 V 703
2025-03-10 06:52:49 C 10 58 30.436 +55 53 07.40 V 703
2025-03-10 19:03:20 C 10 50 48.763 +54 11 09.85 Z C23
2025-03-10 19:31:17 C 10 50 32.448 +54 07 29.57 Z C23
2025-03-10 20:07:55 C 10 50 11.112 +54 02 39.80 Z C23
2025-03-11 13:45:28 C 10 41 10.745 +51 50 25.48 V T08
2025-03-11 14:01:08 C 10 41 03.622 +51 48 32.80 V T08
2025-03-11 14:08:36 C 10 41 00.240 +51 47 38.94 V T08
2025-03-11 14:14:50 C 10 40 57.408 +51 46 54.23 V T08
2025-03-11 14:35:45 C 10 40 48.005 +51 44 23.75 V T08
2025-03-12 20:38:16 B 10 29 48.358 +48 31 50.77 W Z80
2025-03-12 20:46:38 B 10 29 45.727 +48 31 02.71 W Z80
2025-03-12 20:53:14 B 10 29 43.610 +48 30 24.73 W Z80
2025-03-13 06:13:42 C 10 27 01.618 +47 38 00.38 V T05
2025-03-13 06:20:28 C 10 26 59.707 +47 37 23.81 V T05
2025-03-13 06:31:34 C 10 26 56.525 +47 36 24.95 V T08
2025-03-13 06:37:40 C 10 26 54.787 +47 35 52.15 V T08
2025-03-13 21:18:47 B 10 23 08.594 +46 18 58.36 W Z80
2025-03-13 21:23:51 B 10 23 07.346 +46 18 33.26 W Z80
2025-03-13 21:28:54 B 10 23 06.132 +46 18 08.14 W Z80
2025-03-14 06:14:46 C 10 21 08.774 +45 35 45.89 V T05
2025-03-14 06:25:48 C 10 21 06.293 +45 34 54.30 V T05
2025-03-14 06:38:05 C 10 21 03.540 +45 33 57.24 V T05
2025-03-14 22:09:23 B 10 17 56.508 +44 23 51.11 q J51
2025-03-14 22:27:36 B 10 17 52.951 +44 22 33.31 q J51
2025-03-14 22:45:48 B 10 17 49.368 +44 21 15.34 q J51
2025-03-15 09:51:40 C 10 15 51.202 +43 35 02.98 V T08
2025-03-15 09:55:40 C 10 15 50.482 +43 34 46.67 V T08
2025-03-15 10:04:14 C 10 15 48.958 +43 34 11.86 V T08
2025-03-15 10:18:53 C 10 15 46.361 +43 33 12.28 V T08
2025-03-15 20:50:04 B 10 14 07.519 +42 51 41.26 V L65
2025-03-15 20:54:16 B 10 14 06.862 +42 51 25.31 V L65
2025-03-15 20:58:27 B 10 14 06.206 +42 51 09.43 V L65
2025-03-15 23:55:59 B 10 13 38.669 +42 39 59.65 W Z80
2025-03-16 00:01:11 B 10 13 37.855 +42 39 40.18 W Z80
2025-03-16 00:05:44 C 10 13 36.970 +42 39 23.29 Z C23
2025-03-16 00:06:23 B 10 13 37.058 +42 39 20.52 W Z80
2025-03-16 00:15:59 C 10 13 35.431 +42 38 44.12 Z C23
2025-03-16 00:33:09 C 10 13 32.832 +42 37 39.40 Z C23
2025-03-16 18:23:10 C 10 11 08.983 +41 34 15.23 W M01
2025-03-16 18:25:39 C 10 11 08.648 +41 34 06.76 W M01
2025-03-16 18:28:09 C 10 11 08.313 +41 33 58.29 W M01
2025-03-16 19:28:46 C 10 11 00.146 +41 30 33.95 W M01
2025-03-16 19:31:16 C 10 10 59.810 +41 30 25.46 W M01
2025-03-16 19:33:46 C 10 10 59.473 +41 30 16.98 W M01
2025-03-16 20:10:35 C 10 10 54.96 +41 28 03.4 X G02
2025-03-16 20:16:53 C 10 10 54.13 +41 27 42.3 X G02