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
2013-11-09 05:24:58 C 21 47 24.44 -05 04 23.6 q U82
2013-11-10 00:39:26 C 21 51 17.36 -05 44 51.9 u H21
2013-11-10 00:44:07 C 21 51 18.28 -05 45 01.8 u H21
2013-11-10 00:49:27 C 21 51 19.31 -05 45 13.1 u H21
2013-11-10 00:54:48 C 21 51 20.36 -05 45 24.5 u H21
2013-11-10 01:02:17 C 21 51 21.85 -05 45 40.7 u H21
2013-11-10 04:22:29 C 21 52 01.92 -05 52 41.9 q U82
2013-11-10 04:48:32 C 21 52 07.08 -05 53 36.9 q U82
2013-11-10 05:21:40 C 21 52 13.66 -05 54 47.6 q U82
2013-11-12 17:32:23 C 22 05 19.02 -08 06 21.6 c 560
2013-11-12 17:34:30 C 22 05 19.50 -08 06 26.3 c 560
2013-11-12 17:37:24 C 22 05 20.12 -08 06 32.7 c 560
2013-11-13 01:38:51 C 22 07 10.16 -08 24 31.7 u H21
2013-11-13 01:43:26 C 22 07 11.19 -08 24 42.2 u H21
2013-11-13 01:46:47 C 22 07 11.93 -08 24 49.8 u H21
2013-11-13 01:49:31 C 22 07 12.52 -08 24 55.8 u H21
2013-11-13 01:52:30 C 22 07 13.19 -08 25 02.5 u H21
2013-11-14 02:10:29 C 22 12 58.53 -09 20 15.7 q H45
2013-11-14 02:11:20 C 22 12 58.69 -09 20 17.2 q H45
2013-11-14 02:12:34 C 22 12 58.81 -09 20 22.7 u H21
2013-11-14 02:13:07 C 22 12 59.12 -09 20 21.7 q H45
2013-11-14 02:14:05 C 22 12 59.33 -09 20 23.7 q H45
2013-11-14 02:15:10 C 22 12 59.56 -09 20 26.2 q H45
2013-11-14 02:15:39 C 22 12 59.55 -09 20 29.8 u H21
2013-11-14 02:16:21 C 22 12 59.85 -09 20 28.8 q H45
2013-11-14 02:17:52 C 22 13 00.19 -09 20 32.7 q H45
2013-11-14 02:18:05 C 22 13 00.10 -09 20 35.2 u H21
2013-11-14 02:18:11 C 22 13 00.98 -09 20 31.8 q 703
2013-11-14 02:19:09 C 22 13 00.49 -09 20 35.6 q H45
2013-11-14 02:20:32 C 22 13 00.68 -09 20 41.2 u H21
2013-11-14 02:23:53 C 22 13 01.46 -09 20 48.8 u H21
2013-11-14 02:29:25 C 22 13 02.76 -09 21 01.5 u H21
2013-11-14 02:30:41 C 22 13 03.90 -09 21 00.6 q 703
2013-11-14 02:43:11 C 22 13 06.85 -09 21 28.9 q 703
2013-11-14 02:55:40 C 22 13 09.68 -09 21 57.3 q 703
2013-11-14 03:08:10 C 22 13 12.88 -09 22 28.6 q U82
2013-11-14 03:38:24 C 22 13 19.89 -09 23 37.5 q U82
2013-11-14 03:59:42 C 22 13 24.80 -09 24 25.5 q U82
2013-11-16 02:06:24 C 22 25 02.36 -11 11 53.4 u H21
2013-11-16 02:09:21 C 22 25 03.11 -11 12 00.4 u H21
2013-11-16 02:11:55 C 22 25 03.76 -11 12 06.3 u H21
2013-11-16 02:14:45 C 22 25 04.46 -11 12 13.0 u H21
2013-11-16 02:17:35 C 22 25 05.18 -11 12 19.4 u H21
2013-11-18 03:24:17 C 22 38 28.52 -13 09 24.8 17.2 r 718
2013-11-18 03:29:24 C 22 38 29.83 -13 09 36.7 17.0 r 718
2013-11-18 03:31:58 C 22 38 30.55 -13 09 42.6 17.0 r 718
2013-11-18 11:47:02 C 22 40 51.04 -13 29 29.3 o 300
2013-11-18 11:50:18 C 22 40 52.03 -13 29 37.9 o 300
2013-11-18 11:53:25 C 22 40 52.83 -13 29 44.8 o 300
2013-11-18 11:54:58 C 22 40 53.30 -13 29 48.4 o 300