2013 UH9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5962745135 ± 8.12e-09
Semi-major axis (a)2.5834576126 AU ± 3.87e-08
Inclination (i)13.05510710° ± 2.42e-06
Long. of Asc. Node (Ω)222.08749253° ± 3.72e-06
Arg. of Perihelion (ω)186.97625830° ± 6.30e-06
Mean Anomaly (M)321.57643244° ± 2.33e-05
Mean Motion (n)0.2373614933°/day ± 5.34e-09
Perihelion dist (q)1.04300768 AU ± 2.62e-08
Aphelion dist (Q)4.12390754 AU ± 6.53e-08
Orbital Period4.15242704 yr ± 9.34e-08
Physical Parameters
H (abs. magnitude)18.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.231″
Uncertainty0
Orbit TypeAmor
MOID0.052524 AU
Observations Used468
Oppositions31
Arc Total1977-2018
First Observation Used2009-11-17
Last Observation Used2018-02-05
Observations (514)
Date Type RA Dec Mag Band Observatory
2013-11-19 01:58:08 C 22 44 58.39 -14 03 42.8 q H45
2013-11-19 02:00:20 C 22 44 59.01 -14 03 48.3 q H45
2013-11-19 02:01:20 C 22 44 59.36 -14 03 49.5 q H45
2013-11-19 02:02:54 C 22 44 59.81 -14 03 53.1 q H45
2013-11-19 02:04:03 C 22 45 00.08 -14 03 56.6 q H45
2013-11-19 02:05:27 C 22 45 00.53 -14 03 59.6 q H45
2013-11-19 02:06:50 C 22 45 00.89 -14 04 03.1 q H45
2013-11-19 02:08:04 C 22 45 01.20 -14 04 06.1 q H45
2013-11-19 02:53:34 C 22 45 13.99 -14 05 56.9 u H21
2013-11-19 02:58:35 C 22 45 15.44 -14 06 09.6 u H21
2013-11-19 03:03:42 C 22 45 16.86 -14 06 21.5 u H21
2013-11-19 12:31:54 C 22 48 04.55 -14 29 09.5 o 300
2013-11-19 12:33:27 C 22 48 04.97 -14 29 13.2 o 300
2013-11-19 12:35:02 C 22 48 05.44 -14 29 17.0 o 300
2013-11-20 03:01:47 C 22 52 26.52 -15 04 13.1 u H21
2013-11-20 03:05:42 C 22 52 27.69 -15 04 22.8 u H21
2013-11-20 03:09:47 C 22 52 28.91 -15 04 32.4 u H21
2013-11-20 03:11:49 C 22 52 29.57 -15 04 35.4 q H45
2013-11-20 03:13:33 C 22 52 30.07 -15 04 40.4 q H45
2013-11-20 03:13:42 C 22 52 30.06 -15 04 41.7 u H21
2013-11-20 03:15:08 C 22 52 30.53 -15 04 44.1 q H45
2013-11-20 03:16:15 C 22 52 30.86 -15 04 46.4 q H45
2013-11-20 03:17:19 C 22 52 31.22 -15 04 48.5 q H45
2013-11-20 03:17:56 C 22 52 31.28 -15 04 52.3 u H21
2013-11-20 03:19:02 C 22 52 31.71 -15 04 53.3 q H45
2013-11-20 03:20:44 C 22 52 32.23 -15 04 56.8 q H45
2013-11-20 03:21:19 C 22 52 32.29 -15 05 00.5 u H21
2013-11-20 03:22:10 C 22 52 32.62 -15 05 00.1 q H45
2013-11-20 03:40:34 C 22 52 38.75 -15 05 43.6 o 926
2013-11-20 03:48:38 C 22 52 41.11 -15 06 03.8 o 926
2013-11-20 04:00:24 C 22 52 44.56 -15 06 31.8 o 926
2013-11-22 18:46:41 C 23 12 44.08 -17 37 09.5 q Z62
2013-11-22 18:50:11 C 23 12 45.20 -17 37 17.7 q Z62
2013-11-22 18:56:24 C 23 12 47.18 -17 37 32.5 q Z62
2013-11-24 02:33:51 C 23 23 27.36 -18 51 39.8 q H36
2013-11-24 02:39:44 C 23 23 29.27 -18 51 52.6 q H36
2013-11-24 02:53:01 C 23 23 33.82 -18 52 23.2 q H36
2013-11-24 03:11:08 C 23 23 39.47 -18 53 04.2 u H21
2013-11-24 03:13:20 C 23 23 40.20 -18 53 09.2 u H21
2013-11-24 03:15:39 C 23 23 40.98 -18 53 14.2 u H21
2013-11-24 03:17:42 C 23 23 41.64 -18 53 19.2 u H21
2013-11-24 03:20:09 C 23 23 42.47 -18 53 24.7 u H21
2013-11-25 02:02:45 C 23 31 39.09 -19 45 27.4 u H21
2013-11-25 02:04:30 C 23 31 39.67 -19 45 31.4 u H21
2013-11-25 02:06:32 C 23 31 40.38 -19 45 35.6 u H21
2013-11-25 02:08:15 C 23 31 40.97 -19 45 39.3 u H21
2013-11-25 02:09:41 C 23 31 41.44 -19 45 42.8 u H21
2013-11-25 02:10:51 C 23 31 41.85 -19 45 45.7 u H21
2013-11-26 03:07:38 C 23 40 38.31 -20 41 20.0 o 291
2013-11-26 03:08:23 C 23 40 38.57 -20 41 21.8 o 291