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
2018-09-15 04:33:40 C 17 15 38.91 +17 42 12.0 V 703
2018-09-15 04:42:50 C 17 15 40.76 +17 42 09.1 V 703
2018-09-15 05:01:11 C 17 15 44.31 +17 42 05.4 V 703
2018-09-16 05:28:33 C 17 20 46.02 +17 36 30.3 U T08
2018-09-16 05:31:52 C 17 20 46.73 +17 36 29.4 U T08
2018-09-16 05:34:20 C 17 20 47.27 +17 36 28.9 U T08
2018-09-16 05:35:00 C 17 20 47.36 +17 36 28.2 U T08
2018-09-17 15:48:39 C 17 28 10.44 +17 27 07.0 q C97
2018-09-18 05:07:36 C 17 31 10.78 +17 23 05.4 U T05
2018-09-18 05:08:16 C 17 31 10.98 +17 23 05.9 U T05
2018-09-18 05:31:19 C 17 31 16.00 +17 22 57.5 U T05
2018-09-18 05:38:43 C 17 31 17.63 +17 22 55.1 U T05
2018-09-20 19:29:51 C 17 46 11.54 +17 00 03.2 q 160
2018-09-20 19:33:04 C 17 46 12.32 +17 00 02.2 q 160
2018-09-20 19:36:15 C 17 46 13.12 +17 00 00.4 q 160
2018-09-21 19:01:56 C 17 52 18.75 +16 49 37.2 q 160
2018-09-21 19:04:34 C 17 52 19.41 +16 49 36.2 q 160
2018-09-21 19:07:14 C 17 52 20.10 +16 49 34.6 q 160
2018-09-22 05:24:50 C 17 55 05.80 +16 44 53.7 U T05
2018-09-22 05:25:28 C 17 55 05.98 +16 44 53.2 U T05
2018-09-22 05:53:44 C 17 55 13.34 +16 44 38.9 U T05
2018-09-22 05:56:36 C 17 55 14.10 +16 44 37.5 U T05
2018-09-24 19:51:37 C 18 12 57.47 +16 09 30.4 V Z43
2018-09-24 20:03:56 C 18 13 01.09 +16 09 22.8 V Z43
2018-09-24 20:13:45 C 18 13 04.01 +16 09 15.5 V Z43
2018-09-24 20:21:46 C 18 13 06.39 +16 09 10.8 V Z43
2018-09-24 20:33:03 C 18 13 09.75 +16 09 03.8 V Z43
2018-09-26 19:19:05 C 18 27 54.09 +15 35 58.0 q 160
2018-09-26 19:21:57 C 18 27 55.01 +15 35 55.8 q 160
2018-09-26 19:24:48 C 18 27 55.93 +15 35 53.4 q 160
2018-09-27 15:39:23 C 18 34 41.32 +15 19 42.8 q C97
2018-09-27 15:41:35 C 18 34 41.91 +15 19 41.9 q C97
2018-09-27 15:43:45 C 18 34 42.59 +15 19 40.1 q C97
2018-09-27 15:45:57 C 18 34 43.32 +15 19 38.2 q C97
2018-09-27 19:30:29 C 18 35 59.84 +15 16 12.9 q 160
2018-09-27 19:33:42 C 18 36 00.93 +15 16 10.1 q 160
2018-09-27 19:36:51 C 18 36 01.97 +15 16 07.3 q 160
2018-09-28 19:51:24 C 18 44 28.64 +14 54 22.1 q 160
2018-09-28 19:53:08 C 18 44 29.26 +14 54 20.2 q 160
2018-09-28 19:54:50 C 18 44 29.85 +14 54 18.4 q 160
2018-09-29 19:15:01 C 18 52 56.84 +14 31 26.3 q 160
2018-09-29 19:18:18 C 18 52 58.03 +14 31 22.7 q 160
2018-09-29 19:20:44 C 18 52 58.91 +14 31 20.2 q 160
2018-09-30 16:03:43 C 19 00 44.07 +14 09 34.1 q C97
2018-09-30 16:05:53 C 19 00 44.77 +14 09 32.2 q C97
2018-09-30 16:08:04 C 19 00 45.75 +14 09 28.0 q C97
2018-09-30 16:10:15 C 19 00 46.30 +14 09 29.4 q C97
2018-09-30 20:38:17 C 19 02 28.26 +14 04 13.9 q 160
2018-09-30 20:41:25 C 19 02 29.42 +14 04 10.6 q 160
2018-09-30 20:44:33 C 19 02 30.59 +14 04 06.9 q 160