518635 (2008 HO3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6511050160 ± 3.22e-09
Semi-major axis (a)2.9144339518 AU ± 1.11e-09
Inclination (i)14.08373686° ± 1.22e-06
Long. of Asc. Node (Ω)205.98188243° ± 2.16e-06
Arg. of Perihelion (ω)128.92831527° ± 3.10e-06
Mean Anomaly (M)159.63435323° ± 3.68e-07
Mean Motion (n)0.1980983918°/day ± 1.13e-10
Perihelion dist (q)1.01683139 AU ± 9.39e-09
Aphelion dist (Q)4.81203652 AU ± 9.56e-09
Orbital Period4.97543809 yr ± 2.84e-09
Physical Parameters
H (abs. magnitude)18.17
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.222″
Uncertainty0
Orbit TypeApollo
MOID0.114189 AU
Observations Used1254
Oppositions13
Arc Total2008-2024
First Observation Used2008-04-29
Last Observation Used2024-01-03
Observations (1380)
Date Type RA Dec Mag Band Observatory
2023-10-06 18:25:43 B 21 57 40.36 +25 30 27.6 X L99
2023-10-06 18:27:04 B 21 57 41.12 +25 30 23.0 X L99
2023-10-06 18:28:25 B 21 57 41.94 +25 30 18.1 X L99
2023-10-06 18:29:46 B 21 57 42.80 +25 30 13.2 X L99
2023-10-06 18:31:07 B 21 57 43.56 +25 30 07.8 X L99
2023-10-06 19:17:36 C 21 58 11.13 +25 27 19.3 M32
2023-10-06 19:18:14 C 21 58 11.51 +25 27 16.9 M32
2023-10-06 19:18:52 C 21 58 11.88 +25 27 14.6 M32
2023-10-06 19:19:31 C 21 58 12.26 +25 27 12.3 M32
2023-10-06 19:20:09 C 21 58 12.63 +25 27 09.8 M32
2023-10-06 19:20:48 C 21 58 13.00 +25 27 07.5 M32
2023-10-06 19:21:26 C 21 58 13.37 +25 27 05.1 M32
2023-10-06 19:22:05 C 21 58 13.75 +25 27 02.8 M32
2023-10-06 19:22:43 C 21 58 14.12 +25 27 00.5 M32
2023-10-06 19:23:34 C 21 58 14.62 +25 26 57.4 M32
2023-10-06 19:27:01 C 21 58 16.86 +25 26 44.1 X G02
2023-10-06 19:36:39 C 21 58 22.48 +25 26 08.2 X G02
2023-10-06 19:46:20 C 21 58 28.13 +25 25 32.5 X G02
2023-10-06 20:00:41 C 21 58 37.15 +25 24 41.9 Z M62
2023-10-06 20:09:21 C 21 58 42.20 +25 24 10.1 Z M62
2023-10-06 20:18:01 C 21 58 47.24 +25 23 38.2 Z M62
2023-10-07 02:56:09 C 22 02 42.144 +25 00 22.14 V W68
2023-10-07 03:00:47 C 22 02 44.791 +25 00 04.75 V W68
2023-10-07 03:11:13 C 22 02 50.820 +24 59 25.37 V W68
2023-10-07 03:53:43 C 22 03 15.09 +24 56 45.6 o W92
2023-10-07 03:57:15 C 22 03 17.11 +24 56 32.2 o W92
2023-10-07 04:00:46 C 22 03 19.15 +24 56 18.7 o W92
2023-10-07 04:04:17 C 22 03 21.15 +24 56 05.5 o W92
2023-10-07 04:07:48 C 22 03 23.18 +24 55 52.0 o W92
2023-10-07 19:05:26 C 22 12 10.21 +23 57 59.3 Z M62
2023-10-07 19:14:07 C 22 12 15.08 +23 57 26.3 Z M62
2023-10-07 19:22:47 C 22 12 19.96 +23 56 53.5 Z M62
2023-10-07 23:30:15 C 22 14 38.22 +23 41 03.1 X L63
2023-10-07 23:39:39 C 22 14 43.48 +23 40 26.4 X L63
2023-10-07 23:48:15 C 22 14 48.30 +23 39 52.9 X L63
2023-10-08 08:29:53 C 22 19 45.511 +23 06 49.32 V T05
2023-10-08 08:35:48 C 22 19 48.725 +23 06 26.17 V T05
2023-10-08 08:43:24 C 22 19 52.855 +23 05 56.44 V T05
2023-10-08 08:58:29 C 22 20 01.063 +23 04 57.32 V T05
2023-10-08 19:33:01 C 22 25 55.50 +22 23 12.0 M32
2023-10-08 19:34:05 C 22 25 56.08 +22 23 07.8 M32
2023-10-08 19:35:09 C 22 25 56.65 +22 23 03.6 M32
2023-10-08 19:36:13 C 22 25 57.22 +22 22 59.3 M32
2023-10-08 19:37:18 C 22 25 57.80 +22 22 55.2 M32
2023-10-08 19:38:22 C 22 25 58.36 +22 22 51.1 M32
2023-10-08 19:39:13 C 22 25 58.85 +22 22 47.5 M32
2023-10-08 21:55:42 C 22 27 12.89 +22 13 56.6 15.6 122
2023-10-08 22:00:27 C 22 27 15.42 +22 13 37.9 15.6 122
2023-10-08 22:05:21 C 22 27 18.03 +22 13 18.6 15.7 122
2023-10-08 22:05:36 C 22 27 18.16 +22 13 17.7 15.6 122