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
2018-10-02 07:07:13 C 19 15 58.98 +13 23 40.1 U T08
2018-10-02 07:15:43 C 19 16 02.31 +13 23 29.1 U T08
2018-10-02 07:20:40 C 19 16 04.25 +13 23 22.9 U T08
2018-10-02 07:25:37 C 19 16 06.19 +13 23 16.4 U T08
2018-10-02 07:31:07 C 19 16 08.34 +13 23 09.5 U T08
2018-10-02 07:37:50 C 19 16 10.96 +13 23 00.9 U T08
2018-10-02 07:51:41 C 19 16 16.39 +13 22 43.2 U T08
2018-10-03 19:19:50 C 19 30 51.00 +12 35 26.5 q 160
2018-10-03 19:23:00 C 19 30 52.32 +12 35 22.7 q 160
2018-10-03 19:26:08 C 19 30 53.56 +12 35 16.8 q 160
2018-10-03 19:59:43 C 19 31 07.88 +12 34 33.4 V J27
2018-10-03 20:12:02 C 19 31 12.94 +12 34 16.1 V J27
2018-10-03 20:16:29 C 19 31 14.75 +12 34 09.8 V J27
2018-10-04 07:57:56 C 19 36 09.76 +12 17 45.0 U T05
2018-10-04 08:12:24 C 19 36 15.80 +12 17 24.0 U T05
2018-10-04 08:14:38 C 19 36 16.72 +12 17 20.4 U T05
2018-10-04 08:26:34 C 19 36 21.69 +12 17 03.2 U T05
2018-10-04 08:56:29 C 19 36 34.16 +12 16 18.7 U T05
2018-10-04 19:43:54 C 19 41 12.52 +12 00 14.1 q 160
2018-10-04 19:47:06 C 19 41 13.87 +12 00 09.0 q 160
2018-10-04 19:50:20 C 19 41 15.23 +12 00 04.1 q 160
2018-10-05 19:36:26 C 19 51 36.14 +11 23 37.2 V J27
2018-10-05 19:43:19 C 19 51 39.11 +11 23 26.5 V J27
2018-10-05 19:49:06 C 19 51 41.60 +11 23 17.3 V J27
2018-10-05 20:12:47 C 19 51 51.42 +11 22 36.6 U A16
2018-10-05 20:23:59 C 19 51 56.23 +11 22 17.5 U A16
2018-10-05 20:43:47 C 19 52 04.80 +11 21 45.7 U A16
2018-10-05 21:12:14 C 19 52 17.10 +11 21 00.0 U A16
2018-10-06 07:39:38 C 19 56 54.16 +11 04 33.7 U T08
2018-10-06 08:09:04 C 19 57 06.92 +11 03 45.6 U T08
2018-10-06 08:24:18 C 19 57 13.53 +11 03 20.3 U T08
2018-10-06 12:48:05 S 19 59 12.475 +10 56 14.24 L C51
2018-10-06 15:56:24 S 20 00 36.473 +10 51 04.93 L C51
2018-10-06 20:38:58 S 20 02 42.869 +10 43 16.39 L C51
2018-10-06 22:13:13 S 20 03 25.118 +10 40 39.00 L C51
2018-10-06 23:47:28 S 20 04 07.416 +10 38 01.00 L C51
2018-10-07 06:04:17 S 20 06 56.928 +10 27 25.45 L C51
2018-10-07 08:07:40 C 20 07 51.17 +10 23 49.6 U T05
2018-10-07 08:22:43 C 20 07 57.81 +10 23 23.6 U T05
2018-10-07 08:37:00 C 20 08 04.14 +10 22 58.9 U T05
2018-10-07 08:51:52 C 20 08 10.73 +10 22 33.1 U T05
2018-10-08 17:50:00 C 20 23 14.05 +09 24 20.4 V G34
2018-10-08 17:51:48 C 20 23 14.85 +09 24 17.3 V G34
2018-10-08 17:53:27 C 20 23 15.60 +09 24 14.1 V G34
2018-10-09 19:45:09 C 20 35 09.16 +08 36 53.9 q 160
2018-10-09 19:48:20 C 20 35 10.60 +08 36 47.9 q 160
2018-10-09 19:51:33 C 20 35 12.06 +08 36 42.0 q 160
2018-10-12 16:13:35 C 21 06 46.68 +06 26 11.9 q C97
2018-10-12 16:15:46 C 21 06 47.45 +06 26 08.8 q C97
2018-10-12 16:17:57 C 21 06 48.70 +06 26 03.2 q C97