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
2013-05-11 08:17:26 C 15 31 37.02 -07 07 20.7 u 703
2013-05-13 21:43:50 C 15 28 33.18 -06 20 48.7 19.9 q D03
2013-05-13 21:54:12 C 15 28 32.68 -06 20 41.3 20.3 q D03
2013-05-13 22:14:51 C 15 28 31.58 -06 20 25.3 19.8 q D03
2013-05-30 05:46:10 C 15 06 41.94 -01 12 58.8 u 703
2013-05-30 05:57:32 C 15 06 41.36 -01 12 51.0 u 703
2013-05-30 06:08:53 C 15 06 40.57 -01 12 41.0 u 703
2013-05-30 06:20:15 C 15 06 39.88 -01 12 32.1 u 703
2013-06-12 04:48:33 C 14 50 16.00 +02 27 38.0 u 703
2013-06-12 04:55:04 C 14 50 15.75 +02 27 41.9 u 703
2013-06-12 05:01:34 C 14 50 15.39 +02 27 47.1 u 703
2013-06-12 05:08:02 C 14 50 15.14 +02 27 51.3 u 703
2013-06-12 22:11:45 C 14 49 27.97 +02 38 27.7 t 204
2013-06-12 22:34:45 C 14 49 26.88 +02 38 41.7 t 204
2013-08-05 23:10:48 C 14 55 10.73 +07 26 35.4 u 807
2013-08-05 23:14:23 C 14 55 10.93 +07 26 35.1 u 807
2013-08-05 23:17:46 C 14 55 11.12 +07 26 34.8 u 807
2013-08-22 20:28:25 C 15 24 45.57 +06 26 17.2 t 204
2013-08-22 20:47:16 C 15 24 47.24 +06 26 13.4 t 204
2013-08-22 21:08:47 C 15 24 49.13 +06 26 08.6 t 204
2013-09-23 06:11:26 C 17 02 00.629 +02 15 27.22 L F51
2013-09-23 06:18:05 C 17 02 01.818 +02 15 23.75 L F51
2013-09-23 06:24:45 C 17 02 03.009 +02 15 20.28 L F51
2013-10-20 01:33:14 C 19 53 24.83 -05 38 20.1 q 448
2013-10-20 01:41:09 C 19 53 27.60 -05 38 26.3 q 448
2013-10-20 01:50:15 C 19 53 30.69 -05 38 33.7 q 448
2013-10-20 01:55:48 C 19 53 32.64 -05 38 38.2 q 448
2013-10-20 02:16:34 C 19 53 40.11 -05 38 56.0 t 673
2013-10-20 02:17:57 C 19 53 40.60 -05 38 57.4 t 673
2013-10-20 02:19:14 C 19 53 41.10 -05 38 58.6 t 673
2013-10-20 02:20:28 C 19 53 41.48 -05 38 59.5 t 673
2013-10-20 02:42:23 C 19 53 48.82 -05 39 15.5 o G48
2013-10-20 02:43:59 C 19 53 49.35 -05 39 17.1 o G48
2013-10-20 02:44:44 C 19 53 49.61 -05 39 17.7 o G48
2013-10-20 02:45:29 C 19 53 49.88 -05 39 18.3 o G48
2013-10-20 05:04:41 C 19 54 38.50 -05 41 11.8 t 673
2013-10-20 05:06:08 C 19 54 38.99 -05 41 13.7 t 673
2013-10-21 01:37:48 C 20 01 56.86 -05 57 45.6 q H45
2013-10-21 01:39:48 C 20 01 57.54 -05 57 47.0 q H45
2013-10-21 01:41:46 C 20 01 58.25 -05 57 48.4 q H45
2013-10-21 01:43:12 C 20 01 58.73 -05 57 50.2 q H45
2013-10-21 01:46:26 C 20 01 59.88 -05 57 52.5 q H45
2013-10-21 01:47:40 C 20 02 00.27 -05 57 53.5 q H45
2013-10-24 01:57:21 C 20 28 01.81 -06 52 33.7 q H45
2013-10-24 02:00:39 C 20 28 02.99 -06 52 36.3 q H45
2013-10-24 02:02:26 C 20 28 03.65 -06 52 37.3 q H45
2013-10-24 02:04:29 C 20 28 04.36 -06 52 38.7 q H45
2013-10-24 02:06:02 C 20 28 04.96 -06 52 39.8 q H45
2013-10-24 02:08:56 C 20 28 05.99 -06 52 41.8 q H45
2013-10-25 01:45:54 C 20 36 42.04 -07 09 08.5 q H45