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
2013-10-29 02:01:32 C 21 06 04.29 +03 01 40.2 r H21
2013-10-29 02:10:33 C 21 06 05.28 +03 01 26.0 r H21
2013-10-29 02:19:07 C 21 06 06.23 +03 01 12.5 r H21
2013-10-29 17:24:43 C 21 07 55.29 +02 37 13.4 q 113
2013-10-29 17:27:06 C 21 07 55.57 +02 37 09.8 q 113
2013-10-29 17:29:31 C 21 07 55.86 +02 37 06.1 q 113
2013-10-29 17:31:56 C 21 07 56.14 +02 37 02.2 q 113
2013-10-29 17:34:22 C 21 07 56.40 +02 36 58.5 q 113
2013-10-29 18:28:06 C 21 08 02.54 +02 35 36.0 u A81
2013-10-29 18:41:36 C 21 08 04.11 +02 35 14.6 u A81
2013-10-29 18:48:05 C 21 08 04.85 +02 35 04.3 u A81
2013-10-29 18:57:23 C 21 08 06.44 +02 34 44.4 o J16
2013-10-29 19:01:11 C 21 08 06.75 +02 34 39.1 q J95
2013-10-29 19:05:48 C 21 08 07.30 +02 34 31.9 q J95
2013-10-29 19:06:16 C 21 08 07.40 +02 34 30.3 o J16
2013-10-29 19:10:16 C 21 08 07.80 +02 34 24.5 q J95
2013-10-29 19:24:07 C 21 08 09.55 +02 34 01.2 o J16
2013-10-29 20:38:48 C 21 08 17.94 +02 32 05.1 u 958
2013-10-29 20:47:21 C 21 08 18.96 +02 31 51.9 u 958
2013-10-29 20:54:09 C 21 08 19.85 +02 31 40.7 u 958
2013-10-29 20:56:17 C 21 08 20.03 +02 31 37.3 u 958
2013-10-29 21:08:48 C 21 08 21.49 +02 31 17.0 u 958
2013-10-29 21:21:21 C 21 08 22.91 +02 30 56.8 u 958
2013-10-29 21:34:31 C 21 08 24.46 +02 30 35.9 u 958
2013-10-30 01:02:35 C 21 08 49.96 +02 25 46.3 17.4 u I36
2013-10-30 01:33:06 C 21 08 53.50 +02 24 57.2 17.5 u I36
2013-10-30 01:36:30 C 21 08 53.88 +02 24 52.5 18.2 u I36
2013-10-30 01:56:51 C 21 08 56.43 +02 24 19.5 u I48
2013-10-30 02:05:03 C 21 08 57.45 +02 24 05.2 u I48
2013-10-30 02:50:58 C 21 09 04.05 +02 22 14.1 o 926
2013-10-30 03:03:29 C 21 09 05.49 +02 21 53.9 o 926
2013-10-30 03:17:39 C 21 09 07.11 +02 21 31.0 o 926
2013-10-30 04:00:45 C 21 09 12.16 +02 20 20.3 u V05
2013-10-30 04:08:59 C 21 09 13.02 +02 20 06.6 u V05
2013-10-30 04:17:00 C 21 09 14.04 +02 19 53.7 u V05
2013-10-30 04:25:01 C 21 09 14.92 +02 19 41.3 u V05
2013-10-30 04:27:15 C 21 09 15.22 +02 19 38.1 q G96
2013-10-30 04:29:25 C 21 09 15.48 +02 19 34.4 q G96
2013-10-30 04:31:35 C 21 09 15.72 +02 19 30.8 q G96
2013-10-30 04:33:03 C 21 09 15.87 +02 19 29.8 u V05
2013-10-30 04:33:45 C 21 09 15.99 +02 19 27.3 q G96
2013-10-30 04:41:04 C 21 09 16.80 +02 19 15.3 u V05
2013-10-30 10:07:13 C 21 09 58.04 +02 11 05.3 q E23
2013-10-30 10:13:53 C 21 09 58.80 +02 10 54.4 q E23
2013-10-30 10:20:33 C 21 09 59.60 +02 10 43.4 q E23
2013-10-30 11:08:46 C 21 10 05.85 +02 08 45.7 o 300
2013-10-30 11:19:03 C 21 10 07.05 +02 08 29.0 o 300
2013-10-30 11:21:06 C 21 10 07.27 +02 08 25.7 o 300
2013-10-30 11:47:45 C 21 10 10.45 +02 07 42.2 o 300
2013-10-30 12:30:47 C 21 10 15.59 +02 06 31.5 o 300