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
2023-09-17 19:23:22 C 17 56 41.94 +33 51 43.8 X L99
2023-09-17 19:26:45 C 17 56 43.02 +33 51 45.2 X L99
2023-09-17 19:32:45 C 17 56 45.37 +33 51 51.9 Y 557
2023-09-17 20:29:21 C 17 57 03.19 +33 52 21.4 Y 557
2023-09-17 21:31:20 C 17 57 22.91 +33 52 53.0 Y 557
2023-09-17 21:57:04 C 17 57 31.14 +33 53 05.6 Y 557
2023-09-17 23:02:17 C 17 57 52.22 +33 53 38.1 Y 557
2023-09-17 23:22:52 C 17 57 58.94 +33 53 48.1 Y 557
2023-09-18 05:49:55 C 18 00 07.574 +33 58 05.63 X F51
2023-09-18 06:08:09 C 18 00 13.352 +33 58 15.04 X F51
2023-09-18 06:26:21 C 18 00 19.113 +33 58 24.20 X F51
2023-09-18 06:44:33 C 18 00 24.928 +33 58 33.30 X F51
2023-09-18 06:48:16 C 18 00 26.110 +33 58 35.08 V T05
2023-09-18 07:10:52 C 18 00 33.329 +33 58 46.27 V T05
2023-09-18 07:16:07 C 18 00 35.033 +33 58 48.83 V T05
2023-09-18 07:24:02 C 18 00 37.562 +33 58 52.43 V T05
2023-09-18 19:33:11 C 18 04 45.04 +34 04 59.9 X L18
2023-09-18 19:37:53 C 18 04 46.66 +34 05 02.6 X L18
2023-09-18 19:42:28 C 18 04 48.12 +34 05 04.7 X L18
2023-09-19 18:45:39 C 18 13 00.80 +34 16 28.5 Y 557
2023-09-19 19:16:39 C 18 13 11.82 +34 16 41.6 Y 557
2023-09-19 19:49:09 C 18 13 23.47 +34 16 55.0 Y 557
2023-09-19 20:17:02 C 18 13 33.45 +34 17 06.3 Y 557
2023-09-19 20:46:28 C 18 13 44.05 +34 17 17.9 Y 557
2023-09-19 21:17:28 C 18 13 55.27 +34 17 29.9 Y 557
2023-09-19 21:49:59 C 18 14 07.10 +34 17 42.2 Y 557
2023-09-19 22:17:53 C 18 14 17.32 +34 17 52.6 Y 557
2023-09-19 22:44:12 C 18 14 27.00 +34 18 02.1 Y 557
2023-09-19 23:15:12 C 18 14 38.47 +34 18 13.6 Y 557
2023-09-19 23:46:14 C 18 14 50.01 +34 18 24.8 Y 557
2023-09-20 22:03:21 C 18 23 21.95 +34 27 31.6 M32
2023-09-20 22:04:04 C 18 23 22.24 +34 27 31.9 M32
2023-09-20 22:04:48 C 18 23 22.50 +34 27 32.3 M32
2023-09-20 22:05:32 C 18 23 22.80 +34 27 32.6 M32
2023-09-20 22:06:16 C 18 23 23.07 +34 27 32.8 M32
2023-09-20 22:07:00 C 18 23 23.35 +34 27 32.7 M32
2023-09-21 17:59:05 C 18 31 28.76 +34 34 10.0 Y 557
2023-09-21 19:05:57 C 18 31 55.82 +34 34 26.8 Y 557
2023-09-21 20:07:03 C 18 32 20.69 +34 34 40.6 Y 557
2023-09-21 21:16:48 C 18 32 49.01 +34 34 50.9 X L18
2023-09-21 21:20:38 C 18 32 50.56 +34 34 52.4 X L18
2023-09-21 21:24:23 C 18 32 52.07 +34 34 54.0 X L18
2023-09-21 21:25:35 C 18 32 52.96 +34 34 56.3 Y 557
2023-09-21 22:26:22 C 18 33 18.17 +34 35 07.3 Y 557
2023-09-21 23:28:33 C 18 33 44.24 +34 35 17.7 Y 557
2023-09-23 19:51:32 C 18 53 34.65 +34 41 09.9 X L18
2023-09-23 19:55:00 C 18 53 36.27 +34 41 10.8 X L18
2023-09-23 19:58:20 C 18 53 37.74 +34 41 09.7 X L18
2023-09-23 20:37:45 C 18 53 56.09 +34 41 03.5 X L99
2023-09-23 20:41:05 C 18 53 57.65 +34 41 04.1 X L99