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
2018-11-04 04:59:11 C 00 08 14.94 -05 12 02.2 V G96
2018-11-04 05:07:19 C 00 08 16.56 -05 12 06.1 V G96
2018-11-04 05:15:26 C 00 08 18.16 -05 12 10.0 V G96
2018-11-06 09:11:29 C 00 18 25.10 -05 34 09.3 U T08
2018-11-06 09:25:47 C 00 18 27.67 -05 34 14.9 U T08
2018-11-06 09:27:58 C 00 18 28.04 -05 34 15.7 U T08
2018-11-06 09:40:13 C 00 18 30.28 -05 34 21.2 U T08
2018-11-06 09:42:12 C 00 18 30.61 -05 34 20.9 U T08
2018-11-06 09:54:38 C 00 18 32.84 -05 34 25.4 U T08
2018-11-06 09:56:39 C 00 18 33.24 -05 34 26.2 U T08
2018-11-06 10:11:10 C 00 18 35.83 -05 34 31.4 U T08
2018-11-07 05:33:32 C 00 22 09.15 -05 41 22.3 U I41
2018-11-07 05:34:52 C 00 22 09.38 -05 41 22.8 U I41
2018-11-07 06:15:10 C 00 22 16.38 -05 41 35.9 U I41
2018-11-07 06:17:48 C 00 22 16.84 -05 41 36.8 U I41
2018-11-08 09:49:06 C 00 27 06.07 -05 49 50.2 U T05
2018-11-08 10:03:22 C 00 27 08.43 -05 49 54.2 U T05
2018-11-08 10:17:44 C 00 27 10.80 -05 49 57.8 U T05
2018-11-08 10:32:12 C 00 27 13.22 -05 50 01.8 U T05
2018-11-09 04:45:49 C 00 30 18.62 -05 54 49.5 V 703
2018-11-09 04:53:23 C 00 30 19.83 -05 54 51.4 V 703
2018-11-09 05:00:58 C 00 30 21.05 -05 54 53.1 V 703
2018-11-09 05:08:32 C 00 30 22.24 -05 54 55.0 V 703
2018-11-10 09:18:21 C 00 34 56.02 -06 00 59.4 U T08
2018-11-10 09:32:36 C 00 34 58.20 -06 01 02.1 U T08
2018-11-10 09:47:00 C 00 35 00.40 -06 01 05.1 U T08
2018-11-10 10:01:29 C 00 35 02.62 -06 01 07.6 U T08
2018-11-12 05:19:39 C 00 41 41.20 -06 08 10.1 V 703
2018-11-12 05:27:10 C 00 41 42.27 -06 08 11.3 V 703
2018-11-12 05:34:41 C 00 41 43.36 -06 08 12.3 V 703
2018-11-12 05:42:12 C 00 41 44.42 -06 08 13.7 V 703
2018-11-12 09:29:07 C 00 42 17.64 -06 08 37.5 U T05
2018-11-12 09:39:58 C 00 42 19.18 -06 08 39.0 U T05
2018-11-12 09:43:17 C 00 42 19.64 -06 08 39.5 U T05
2018-11-12 09:54:09 C 00 42 21.20 -06 08 40.7 U T05
2018-11-12 09:57:31 C 00 42 21.67 -06 08 41.1 U T05
2018-11-12 10:08:31 C 00 42 23.22 -06 08 42.1 U T05
2018-11-12 10:23:00 C 00 42 25.29 -06 08 44.2 U T05
2018-11-13 05:17:04 C 00 45 10.31 -06 10 51.2 V G96
2018-11-13 05:24:32 C 00 45 11.34 -06 10 52.0 V G96
2018-11-13 05:32:01 C 00 45 12.37 -06 10 52.5 V G96
2018-11-13 05:39:28 C 00 45 13.39 -06 10 53.2 V G96
2018-11-28 06:10:45 C 01 26 21.22 -05 39 20.7 V 703
2018-11-28 06:18:25 C 01 26 21.94 -05 39 19.8 V 703
2018-11-28 06:26:06 C 01 26 22.55 -05 39 17.3 V 703
2018-11-28 06:33:46 C 01 26 23.23 -05 39 16.3 V 703
2018-12-09 05:11:29 C 01 48 29.52 -04 25 12.2 V 703
2018-12-09 05:26:36 C 01 48 30.60 -04 25 05.9 V 703
2018-12-09 05:34:09 C 01 48 31.11 -04 25 03.8 V 703
2018-12-14 03:07:49 C 01 57 21.01 -03 44 22.1 V 703