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
2018-10-12 16:20:09 C 21 06 49.43 +06 26 01.0 q C97
2018-10-12 20:27:30 C 21 08 42.49 +06 17 44.5 q 160
2018-10-12 20:30:32 C 21 08 43.85 +06 17 38.6 q 160
2018-10-12 20:33:33 C 21 08 45.21 +06 17 32.7 q 160
2018-10-13 18:58:48 C 21 18 59.53 +05 33 58.7 q 160
2018-10-13 19:01:42 C 21 19 00.87 +05 33 52.9 q 160
2018-10-13 19:04:53 C 21 19 02.26 +05 33 46.5 q 160
2018-10-15 08:07:55 C 21 35 37.32 +04 22 37.7 U T05
2018-10-15 08:22:18 C 21 35 43.53 +04 22 10.3 U T05
2018-10-15 08:36:47 C 21 35 49.77 +04 21 42.6 U T05
2018-10-15 08:51:11 C 21 35 55.99 +04 21 15.0 U T05
2018-10-17 19:57:43 C 22 01 22.47 +02 31 17.4 V G34
2018-10-17 19:59:23 C 22 01 23.19 +02 31 14.3 V G34
2018-10-17 20:01:02 C 22 01 23.85 +02 31 11.5 V G34
2018-10-17 20:02:42 C 22 01 24.54 +02 31 08.9 V G34
2018-10-19 08:15:33 C 22 16 09.59 +01 28 23.1 U T05
2018-10-19 08:30:08 C 22 16 15.24 +01 27 58.6 U T05
2018-10-19 08:45:09 C 22 16 21.09 +01 27 33.3 U T05
2018-10-19 08:59:49 C 22 16 26.76 +01 27 08.0 U T05
2018-10-25 10:16:55 C 23 08 15.23 -02 02 12.4 U T08
2018-10-25 10:19:39 C 23 08 16.10 -02 02 15.8 U T08
2018-10-25 10:29:54 C 23 08 19.26 -02 02 27.9 U T08
2018-10-25 10:32:43 C 23 08 20.12 -02 02 31.6 U T08
2018-10-25 10:42:52 C 23 08 23.25 -02 02 43.5 U T08
2018-10-25 10:45:40 C 23 08 24.10 -02 02 46.5 U T08
2018-10-25 10:56:04 C 23 08 27.28 -02 02 59.4 U T08
2018-10-25 10:58:47 C 23 08 28.17 -02 03 02.2 U T08
2018-10-27 05:23:26 C 23 21 19.81 -02 50 05.0 V 703
2018-10-27 05:30:40 C 23 21 21.87 -02 50 12.7 V 703
2018-10-27 05:37:55 C 23 21 23.91 -02 50 20.1 V 703
2018-10-27 05:45:10 C 23 21 25.96 -02 50 27.4 V 703
2018-10-29 04:43:56 C 23 34 31.79 -03 35 17.0 V 703
2018-10-29 04:51:41 C 23 34 33.79 -03 35 23.7 V 703
2018-10-29 04:59:27 C 23 34 35.79 -03 35 29.9 V 703
2018-10-29 05:07:12 C 23 34 37.81 -03 35 37.4 V 703
2018-11-01 04:31:57 C 23 52 26.47 -04 30 33.2 V 703
2018-11-01 04:40:02 C 23 52 28.34 -04 30 38.8 V 703
2018-11-01 04:48:07 C 23 52 30.13 -04 30 43.8 V 703
2018-11-01 04:56:12 C 23 52 31.93 -04 30 49.3 V 703
2018-11-01 12:16:49 C 23 54 14.48 -04 35 38.1 q D29
2018-11-01 12:42:15 C 23 54 20.14 -04 35 54.5 q D29
2018-11-01 13:07:43 C 23 54 25.80 -04 36 11.0 q D29
2018-11-02 09:16:25 C 23 58 57.11 -04 48 30.7 U T08
2018-11-02 09:24:41 C 23 58 58.88 -04 48 35.2 U T08
2018-11-02 09:30:47 C 23 59 00.16 -04 48 38.1 U T08
2018-11-02 09:39:03 C 23 59 01.95 -04 48 43.5 U T08
2018-11-02 09:45:18 C 23 59 03.30 -04 48 47.4 U T08
2018-11-02 09:53:28 C 23 59 05.05 -04 48 52.1 U T08
2018-11-02 10:05:19 C 23 59 07.58 -04 48 59.1 U T08
2018-11-02 10:13:35 C 23 59 09.34 -04 49 03.8 U T08