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
1977-01-26 14:50:37 10 00 53.83 -19 00 46.4 c 260
1977-01-26 16:05:38 10 00 49.26 -19 00 21.9 c 260
2009-11-17 11:43:44 C 10 07 13.90 -04 40 51.8 r 703
2009-11-17 11:52:25 C 10 07 14.48 -04 41 02.2 r 703
2009-11-17 12:01:14 C 10 07 15.06 -04 41 09.9 r 703
2009-11-17 12:10:04 C 10 07 15.78 -04 41 17.9 r 703
2010-03-09 08:14:48 C 09 40 19.54 -08 55 19.4 2 F51
2010-03-09 08:27:04 C 09 40 19.21 -08 55 11.7 2 F51
2013-08-24 11:17:11 C 21 06 30.027 +20 44 33.36 L F51
2013-08-26 10:55:00 C 21 03 48.810 +20 51 11.14 L F51
2013-08-30 07:09:06 C 20 58 34.251 +20 57 15.21 L F51
2013-08-30 10:52:55 C 20 58 20.424 +20 57 18.01 L F51
2013-10-28 03:38:34 C 21 03 30.05 +03 36 27.4 q G96
2013-10-28 03:54:00 C 21 03 31.67 +03 36 03.8 q G96
2013-10-28 04:05:51 C 21 03 32.91 +03 35 45.5 q G96
2013-10-28 04:17:40 C 21 03 34.15 +03 35 27.3 q G96
2013-10-28 05:14:44 C 21 03 40.20 +03 33 59.5 q G96
2013-10-28 05:32:07 C 21 03 42.07 +03 33 32.7 q G96
2013-10-28 06:00:37 C 21 03 45.14 +03 32 48.7 q G96
2013-10-28 11:32:28 C 21 04 23.10 +03 24 53.8 o E10
2013-10-28 11:33:59 C 21 04 23.26 +03 24 51.4 o E10
2013-10-28 11:35:26 C 21 04 23.42 +03 24 49.1 o E10
2013-10-28 17:33:33 C 21 05 05.83 +03 14 50.6 v B03
2013-10-28 17:38:55 C 21 05 06.45 +03 14 42.3 v B03
2013-10-28 17:44:17 C 21 05 07.00 +03 14 33.9 v B03
2013-10-28 17:49:39 C 21 05 07.60 +03 14 25.5 v B03
2013-10-28 18:09:57 C 21 05 10.01 +03 13 54.7 q C77
2013-10-28 18:17:21 C 21 05 10.84 +03 13 43.7 q C77
2013-10-28 18:21:45 C 21 05 11.56 +03 13 39.5 c J08
2013-10-28 18:24:12 C 21 05 11.56 +03 13 32.8 q C77
2013-10-28 18:31:41 C 21 05 12.42 +03 13 21.6 q C77
2013-10-28 19:18:06 C 21 05 17.67 +03 12 11.9 c J08
2013-10-28 19:23:00 C 21 05 18.18 +03 12 04.0 c J08
2013-10-28 19:27:56 C 21 05 18.73 +03 11 56.2 c J08
2013-10-28 19:39:26 C 21 05 19.97 +03 11 38.3 c J08
2013-10-28 19:49:19 C 21 05 21.02 +03 11 22.5 c J08
2013-10-28 19:53:06 C 21 05 21.11 +03 11 12.8 q C47
2013-10-28 20:03:44 C 21 05 22.30 +03 10 55.5 q C47
2013-10-28 20:34:34 C 21 05 25.81 +03 10 13.7 t I58
2013-10-28 21:17:43 C 21 05 30.54 +03 09 06.2 t I58
2013-10-28 21:19:26 C 21 05 30.73 +03 09 03.6 t I58
2013-10-28 21:40:42 C 21 05 33.10 +03 08 30.2 t I58
2013-10-28 22:25:46 C 21 05 38.55 +03 07 12.4 q J95
2013-10-28 22:30:15 C 21 05 39.06 +03 07 05.5 q J95
2013-10-28 22:34:39 C 21 05 39.56 +03 06 58.7 q J95
2013-10-28 23:54:46 C 21 05 49.84 +03 05 38.6 u 807
2013-10-28 23:59:57 C 21 05 50.40 +03 05 30.7 u 807
2013-10-29 00:02:40 C 21 05 50.69 +03 05 26.4 u 807
2013-10-29 00:08:09 C 21 05 51.29 +03 05 17.7 u 807
2013-10-29 00:10:38 C 21 05 51.57 +03 05 14.4 u 807