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
2013-11-04 00:04:11 C 21 25 23.55 -00 58 41.5 u 807
2013-11-04 00:07:43 C 21 25 24.07 -00 58 48.0 u 807
2013-11-04 00:11:15 C 21 25 24.58 -00 58 54.5 u 807
2013-11-04 00:14:47 C 21 25 25.10 -00 59 00.9 u 807
2013-11-04 00:18:21 C 21 25 25.63 -00 59 07.4 u 807
2013-11-04 00:41:01 C 21 25 29.61 -01 00 31.9 u H21
2013-11-04 00:45:22 C 21 25 30.25 -01 00 39.9 u H21
2013-11-04 00:49:41 C 21 25 30.89 -01 00 47.8 u H21
2013-11-05 17:56:21 C 21 32 11.63 -02 17 48.4 a 233
2013-11-05 18:06:21 C 21 32 13.14 -02 18 07.1 a 233
2013-11-05 18:10:30 C 21 32 13.84 -02 18 15.7 a 233
2013-11-05 18:15:31 C 21 32 14.64 -02 18 24.8 a 233
2013-11-05 18:24:38 C 21 32 16.09 -02 18 42.6 a 233
2013-11-06 03:06:40 C 21 33 44.59 -02 35 19.5 o 926
2013-11-06 03:21:09 C 21 33 46.94 -02 35 47.5 o 926
2013-11-06 03:33:07 C 21 33 48.89 -02 36 10.6 o 926
2013-11-06 19:52:07 C 21 36 39.74 -03 08 06.7 t 204
2013-11-06 19:58:55 C 21 36 40.92 -03 08 19.4 t 204
2013-11-06 20:02:34 C 21 36 41.47 -03 08 26.3 q K51
2013-11-06 20:04:39 C 21 36 41.79 -03 08 30.2 q K51
2013-11-06 20:06:02 C 21 36 42.13 -03 08 33.4 t 204
2013-11-06 20:06:45 C 21 36 42.16 -03 08 34.8 q K51
2013-11-07 03:05:43 C 21 37 57.53 -03 22 15.4 P U82
2013-11-07 03:19:38 C 21 37 59.69 -03 22 42.1 q 703
2013-11-07 03:29:05 C 21 38 01.30 -03 23 00.2 q 703
2013-11-07 03:38:15 C 21 38 03.10 -03 23 19.9 P U82
2013-11-07 03:43:05 C 21 38 03.69 -03 23 28.0 q 703
2013-11-07 04:15:43 C 21 38 09.48 -03 24 33.9 P U82
2013-11-07 04:52:01 C 21 38 15.77 -03 25 45.8 P U82
2013-11-07 05:24:35 C 21 38 21.39 -03 26 50.4 P U82
2013-11-08 00:51:46 C 21 41 57.27 -04 05 49.6 q H45
2013-11-08 00:53:17 C 21 41 57.51 -04 05 52.6 q H45
2013-11-08 00:56:35 C 21 41 58.19 -04 05 59.8 q H45
2013-11-08 00:58:05 C 21 41 58.36 -04 06 02.8 q H45
2013-11-08 00:59:51 C 21 41 58.69 -04 06 05.9 q H45
2013-11-08 01:01:49 C 21 41 59.05 -04 06 10.9 q H45
2013-11-08 01:02:56 C 21 41 59.23 -04 06 13.3 q H45
2013-11-08 01:04:33 C 21 41 59.58 -04 06 16.4 q H45
2013-11-08 01:25:32 C 21 42 03.12 -04 07 00.4 u H21
2013-11-08 01:30:10 C 21 42 03.93 -04 07 09.9 u H21
2013-11-08 01:34:01 C 21 42 04.62 -04 07 17.5 u H21
2013-11-08 01:37:52 C 21 42 05.30 -04 07 25.5 u H21
2013-11-08 01:42:14 C 21 42 06.09 -04 07 34.3 u H21
2013-11-09 02:25:27 C 21 46 49.78 -04 58 14.6 u H21
2013-11-09 02:33:09 C 21 46 51.21 -04 58 30.5 u H21
2013-11-09 02:39:13 C 21 46 53.34 -04 58 40.6 q U82
2013-11-09 02:40:51 C 21 46 52.69 -04 58 46.5 u H21
2013-11-09 03:30:59 C 21 47 02.93 -05 00 27.5 q U82
2013-11-09 04:07:34 C 21 47 09.80 -05 01 43.4 q U82
2013-11-09 04:36:52 C 21 47 15.28 -05 02 43.8 q U82