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
2023-10-02 18:18:13 C 20 57 26.42 +30 35 40.0 X G02
2023-10-02 18:24:03 C 20 57 30.09 +30 35 25.0 X G02
2023-10-02 19:12:59 C 20 58 01.253 +30 33 25.49 V 160
2023-10-02 19:17:04 C 20 58 03.749 +30 33 14.26 V 160
2023-10-02 19:21:10 C 20 58 06.360 +30 33 03.78 V 160
2023-10-02 20:44:34 C 20 58 57.92 +30 29 19.3 M32
2023-10-02 20:45:51 C 20 58 58.74 +30 29 15.7 M32
2023-10-02 20:47:08 C 20 58 59.54 +30 29 12.3 M32
2023-10-02 20:48:25 C 20 59 00.36 +30 29 08.7 M32
2023-10-02 20:49:55 C 20 59 01.29 +30 29 05.0 M32
2023-10-02 22:07:25 B 20 59 49.97 +30 25 32.4 X L99
2023-10-02 22:10:45 B 20 59 52.11 +30 25 23.6 X L99
2023-10-02 22:14:05 B 20 59 54.19 +30 25 14.4 X L99
2023-10-03 18:12:56 C 21 12 45.766 +29 30 17.53 V K73
2023-10-03 18:17:33 C 21 12 48.665 +29 30 05.22 V K73
2023-10-03 18:22:03 C 21 12 51.463 +29 29 51.72 V K73
2023-10-03 18:26:36 C 21 12 54.281 +29 29 38.72 V K73
2023-10-03 18:31:19 C 21 12 57.204 +29 29 25.01 V K73
2023-10-03 19:35:57 B 21 13 36.59 +29 26 04.0 X L99
2023-10-03 19:37:45 B 21 13 37.66 +29 25 59.7 X L99
2023-10-03 19:39:33 B 21 13 38.89 +29 25 55.5 X L99
2023-10-03 19:41:07 B 21 13 39.86 +29 25 50.2 X L99
2023-10-03 20:04:43 C 21 13 54.913 +29 24 56.66 V L92
2023-10-03 20:08:48 C 21 13 57.745 +29 24 42.98 V L92
2023-10-03 20:13:53 C 21 14 00.710 +29 24 27.93 V L92
2023-10-03 20:18:59 C 21 14 04.202 +29 24 12.60 V L92
2023-10-03 20:24:05 C 21 14 07.218 +29 23 58.38 V L92
2023-10-03 20:29:11 C 21 14 10.472 +29 23 43.14 V L92
2023-10-03 20:44:27 C 21 14 19.910 +29 22 57.87 V L92
2023-10-04 09:12:54 C 21 22 14.719 +28 45 39.64 V T05
2023-10-04 09:13:33 C 21 22 15.091 +28 45 37.37 V T05
2023-10-04 09:18:06 C 21 22 17.902 +28 45 22.90 V T05
2023-10-04 09:25:21 C 21 22 22.375 +28 45 00.14 V T05
2023-10-04 09:26:39 C 21 22 23.174 +28 44 55.82 V T05
2023-10-04 09:41:18 C 21 22 32.220 +28 44 09.31 V T05
2023-10-04 19:09:42 C 21 28 32.77 +28 13 38.3 q 168
2023-10-04 19:15:32 C 21 28 36.36 +28 13 19.3 q 168
2023-10-04 19:57:38 C 21 29 02.53 +28 11 01.1 q 168
2023-10-04 20:25:06 C 21 29 21.05 +28 09 46.6 X G02
2023-10-04 20:28:34 C 21 29 21.71 +28 09 19.6 q 168
2023-10-04 20:30:46 C 21 29 24.55 +28 09 28.2 X G02
2023-10-04 20:36:27 C 21 29 28.05 +28 09 09.6 X G02
2023-10-06 02:41:08 C 21 48 10.580 +26 27 30.78 V 703
2023-10-06 02:48:41 C 21 48 15.062 +26 27 04.79 V 703
2023-10-06 02:56:14 C 21 48 19.530 +26 26 38.11 V 703
2023-10-06 03:03:49 C 21 48 23.972 +26 26 12.52 V 703
2023-10-06 08:23:13 C 21 51 35.755 +26 07 26.94 V T05
2023-10-06 08:28:27 C 21 51 38.825 +26 07 07.90 V T05
2023-10-06 08:35:51 C 21 51 43.162 +26 06 41.15 V T05
2023-10-06 08:49:54 C 21 51 51.413 +26 05 49.99 V T05