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
2018-06-21 05:57:37 C 15 41 14.32 +09 53 06.5 U 703
2018-06-30 06:26:28 C 15 32 14.07 +12 28 58.9 U T05
2018-06-30 06:47:46 C 15 32 13.28 +12 29 12.2 U T05
2018-06-30 06:58:43 C 15 32 12.86 +12 29 19.0 U T05
2018-06-30 07:23:51 C 15 32 11.91 +12 29 34.4 U T05
2018-07-04 06:59:28 C 15 29 11.36 +13 26 41.4 U 703
2018-07-04 07:07:01 C 15 29 11.10 +13 26 46.3 U 703
2018-07-04 07:14:35 C 15 29 10.93 +13 26 51.1 U 703
2018-07-04 07:22:08 C 15 29 10.66 +13 26 53.8 U 703
2018-07-12 09:28:31 C 15 25 20.15 +15 01 32.3 U T05
2018-07-12 09:48:45 C 15 25 19.85 +15 01 40.7 U T05
2018-07-12 10:08:31 C 15 25 19.60 +15 01 47.9 U T05
2018-07-12 10:25:32 C 15 25 19.36 +15 01 56.3 U T05
2018-07-13 19:01:34 S 15 25 01.10 +15 15 10.3 L C51
2018-07-13 22:10:04 S 15 24 59.458 +15 16 20.03 L C51
2018-07-13 23:44:19 S 15 24 58.836 +15 17 01.14 L C51
2018-07-14 01:18:23 S 15 24 58.10 +15 17 37.9 L C51
2018-07-14 01:18:34 S 15 24 58.05 +15 17 37.7 L C51
2018-07-14 02:52:05 S 15 24 57.36 +15 18 15.7 L C51
2018-07-14 04:26:09 S 15 24 56.61 +15 18 52.2 L C51
2018-07-14 04:26:20 S 15 24 56.57 +15 18 49.9 L C51
2018-07-14 06:01:08 S 15 24 55.90 +15 19 27.6 L C51
2018-07-14 07:35:23 S 15 24 55.18 +15 20 03.8 L C51
2018-07-14 08:25:27 C 15 24 54.15 +15 20 21.6 U T08
2018-07-14 08:39:04 C 15 24 54.07 +15 20 25.7 U T08
2018-07-14 08:40:24 C 15 24 54.00 +15 20 28.0 U T08
2018-07-14 08:55:26 C 15 24 53.77 +15 20 33.4 U T08
2018-07-14 08:56:06 C 15 24 53.82 +15 20 33.3 U T08
2018-07-14 09:09:38 S 15 24 54.53 +15 20 40.4 L C51
2018-07-14 09:11:12 C 15 24 53.70 +15 20 38.9 U T08
2018-07-14 09:12:43 C 15 24 53.65 +15 20 40.7 U T08
2018-07-14 09:28:40 C 15 24 53.53 +15 20 45.9 U T08
2018-07-14 12:17:24 S 15 24 53.24 +15 21 52.7 L C51
2018-07-14 15:26:38 S 15 24 52.00 +15 23 04.8 L C51
2018-07-16 08:46:09 C 15 24 39.80 +15 38 12.8 U T05
2018-07-16 09:01:15 C 15 24 39.73 +15 38 17.9 U T05
2018-07-16 09:17:34 C 15 24 39.65 +15 38 23.8 U T05
2018-07-16 09:33:11 C 15 24 39.51 +15 38 29.1 U T05
2018-07-21 13:54:14 S 15 25 04.145 +16 17 58.56 L C51
2018-07-25 07:27:23 C 15 26 14.595 +16 41 16.69 U F51
2018-07-25 07:45:46 C 15 26 14.839 +16 41 20.90 U F51
2018-07-25 08:04:16 C 15 26 15.089 +16 41 25.23 U F51
2018-07-25 08:22:42 C 15 26 15.341 +16 41 29.32 U F51
2018-07-28 07:11:10 C 15 27 43.85 +16 57 19.7 U T05
2018-07-28 07:24:39 C 15 27 44.15 +16 57 22.3 U T05
2018-07-28 07:39:34 C 15 27 44.42 +16 57 25.4 U T05
2018-07-28 07:53:49 C 15 27 44.70 +16 57 29.1 U T05
2018-08-02 21:32:19 C 15 31 48.82 +17 21 47.9 V Z43
2018-08-02 21:52:03 C 15 31 49.49 +17 21 50.7 V Z43
2018-08-02 22:08:13 C 15 31 50.04 +17 21 52.8 V Z43