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
2013-11-26 03:09:08 C 23 40 38.83 -20 41 23.5 o 291
2013-11-28 00:41:50 C 23 57 31.04 -22 17 53.0 u H21
2013-11-28 00:43:33 C 23 57 31.65 -22 17 56.5 u H21
2013-11-28 00:46:26 C 23 57 32.71 -22 18 02.6 u H21
2013-11-28 00:48:44 C 23 57 33.55 -22 18 07.4 u H21
2013-11-28 00:51:37 C 23 57 34.59 -22 18 13.2 u H21
2013-11-28 00:54:13 C 23 57 35.57 -22 18 18.3 u H21
2013-11-29 00:41:33 C 00 06 38.78 -23 05 28.4 u H21
2013-11-29 00:44:09 C 00 06 39.74 -23 05 34.2 u H21
2013-11-29 00:47:36 C 00 06 41.01 -23 05 39.9 u H21
2013-11-29 00:50:29 C 00 06 42.09 -23 05 46.1 u H21
2013-11-29 00:53:56 C 00 06 43.37 -23 05 53.0 u H21
2013-11-29 00:56:49 C 00 06 44.45 -23 05 58.1 u H21
2013-11-30 00:32:36 C 00 15 50.93 -23 49 24.6 u 807
2013-11-30 00:36:10 C 00 15 52.26 -23 49 30.9 u 807
2013-11-30 00:39:00 C 00 15 53.33 -23 49 35.8 u 807
2013-11-30 00:42:34 C 00 15 54.66 -23 49 42.5 u 807
2013-11-30 00:46:33 C 00 15 56.16 -23 49 49.4 u 807
2013-12-01 02:52:28 C 00 26 06.93 -24 35 25.3 u 844
2013-12-01 02:53:57 C 00 26 07.54 -24 35 28.1 u 844
2013-12-01 02:55:28 C 00 26 08.11 -24 35 30.1 u 844
2013-12-01 02:57:00 C 00 26 08.59 -24 35 32.4 u 844
2013-12-01 02:58:30 C 00 26 09.05 -24 35 35.0 u 844
2013-12-04 01:53:39 C 00 54 19.64 -26 21 06.6 18.3 u I36
2013-12-04 01:56:29 C 00 54 20.75 -26 21 10.4 18.4 u I36
2013-12-04 02:00:16 C 00 54 22.22 -26 21 15.6 18.4 u I36
2013-12-07 01:55:27 C 01 22 54.11 -27 37 35.9 17.5 u I36
2013-12-07 02:00:04 C 01 22 55.86 -27 37 39.7 17.6 u I36
2013-12-07 02:04:39 C 01 22 57.61 -27 37 43.2 17.5 u I36
2013-12-10 20:26:00 C 01 57 34.52 -28 30 21.8 q 204
2013-12-10 20:33:48 C 01 57 37.31 -28 30 24.7 q 204
2013-12-10 20:40:53 C 01 57 39.88 -28 30 26.6 q 204
2013-12-13 00:36:25 C 02 16 28.59 -28 38 58.2 u 807
2013-12-13 00:43:45 C 02 16 31.09 -28 38 58.8 u 807
2013-12-13 00:47:23 C 02 16 32.31 -28 38 58.9 u 807
2013-12-13 00:51:02 C 02 16 33.55 -28 38 59.2 u 807
2013-12-13 00:54:38 C 02 16 34.77 -28 38 59.4 u 807
2013-12-14 04:32:13 C 02 26 07.81 -28 38 16.6 u 844
2013-12-14 04:37:38 C 02 26 09.58 -28 38 15.8 u 844
2013-12-14 04:43:07 C 02 26 11.35 -28 38 14.8 u 844
2013-12-14 04:48:42 C 02 26 13.28 -28 38 14.6 u 844
2013-12-22 03:22:32 C 03 23 53.04 -27 15 36.1 u 807
2013-12-22 03:24:19 C 03 23 53.49 -27 15 34.9 u 807
2013-12-22 03:26:06 C 03 23 53.95 -27 15 33.5 u 807
2013-12-22 03:27:52 C 03 23 54.40 -27 15 32.2 u 807
2013-12-22 03:29:39 C 03 23 54.85 -27 15 30.9 u 807
2013-12-23 00:42:21 C 03 29 25.93 -26 59 53.5 u 807
2013-12-23 00:45:57 C 03 29 26.81 -26 59 51.0 u 807
2013-12-23 00:49:33 C 03 29 27.71 -26 59 48.3 u 807
2013-12-23 00:53:11 C 03 29 28.59 -26 59 45.6 u 807