142781 (2002 UM11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3877933296 ± 9.98e-09
Semi-major axis (a)1.9511042408 AU ± 1.58e-09
Inclination (i)41.02329588° ± 1.71e-06
Long. of Asc. Node (Ω)228.96838729° ± 1.55e-06
Arg. of Perihelion (ω)229.05180523° ± 3.32e-06
Mean Anomaly (M)124.85421482° ± 2.05e-06
Mean Motion (n)0.3616525793°/day ± 4.40e-10
Perihelion dist (q)1.19447903 AU ± 1.95e-08
Aphelion dist (Q)2.70772945 AU ± 1.96e-08
Orbital Period2.72534012 yr ± 3.32e-09
Physical Parameters
H (abs. magnitude)16.14
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.100″
Uncertainty0
Orbit TypeAmor
MOID0.310355 AU
Observations Used1036
Gaia Obs Used102
Oppositions10
Arc Total2001-2017
First Observation Used2001-06-23
Last Observation Used2025-05-31
Observations (1150)
Date Type RA Dec Mag Band Observatory
2013-12-12 01:53:04 C 01 56 31.61 -24 05 20.4 u H21
2013-12-12 01:55:51 C 01 56 31.70 -24 05 27.1 u H21
2013-12-12 01:58:00 C 01 56 31.74 -24 05 31.9 u H21
2013-12-12 02:00:47 C 01 56 31.81 -24 05 38.3 u H21
2013-12-14 01:17:49 C 01 58 06.16 -25 50 27.3 u 844
2013-12-14 01:22:24 C 01 58 06.31 -25 50 36.5 u 844
2013-12-14 01:27:00 C 01 58 06.44 -25 50 46.6 u 844
2013-12-14 01:31:36 C 01 58 06.59 -25 50 56.3 u 844
2013-12-14 01:36:11 C 01 58 06.70 -25 51 05.9 u 844
2014-01-02 12:25:38 S 02 21 27.37 -36 46 59.4 L C51
2014-01-02 15:35:26 S 02 21 39.386 -36 49 43.50 L C51
2014-01-02 18:45:12 S 02 21 51.46 -36 52 26.5 L C51
2014-01-02 21:55:00 S 02 22 03.442 -36 55 08.26 L C51
2014-01-02 23:29:48 S 02 22 09.51 -36 56 28.4 L C51
2014-01-03 01:04:36 S 02 22 15.58 -36 57 48.5 L C51
2014-01-03 02:39:35 S 02 22 21.62 -36 59 08.6 L C51
2014-01-03 04:14:23 S 02 22 27.69 -37 00 28.3 L C51
2014-01-03 05:49:12 S 02 22 33.76 -37 01 47.6 L C51
2014-01-03 05:49:22 S 02 22 33.75 -37 01 48.1 L C51
2014-01-03 07:24:10 S 02 22 39.86 -37 03 07.0 L C51
2014-01-03 08:58:58 S 02 22 45.94 -37 04 26.0 L C51
2014-01-03 10:33:57 S 02 22 52.03 -37 05 44.8 L C51
2014-01-03 12:08:46 S 02 22 58.11 -37 07 03.2 L C51
2014-01-03 13:43:33 S 02 23 04.23 -37 08 21.4 L C51
2014-01-03 15:18:32 S 02 23 10.38 -37 09 39.7 L C51
2014-01-03 18:28:09 S 02 23 22.60 -37 12 14.8 L C51
2014-01-03 18:28:20 S 02 23 22.62 -37 12 15.5 L C51
2014-01-03 21:37:56 S 02 23 34.872 -37 14 49.63 L C51
2014-01-08 10:44:08 S 02 30 57.007 -38 34 31.66 L C51
2014-01-08 12:18:56 S 02 31 03.691 -38 35 33.50 L C51
2014-01-09 02:25:46 C 02 32 02.57 -38 44 37.9 17.2 u I36
2014-01-09 03:10:41 C 02 32 05.65 -38 45 05.2 17.1 u I36
2014-01-09 03:48:48 C 02 32 08.30 -38 45 28.7 17.1 u I36
2014-01-13 01:21:58 C 02 38 58.83 -39 39 28.3 17.4 u I36
2014-01-13 01:44:10 C 02 39 00.41 -39 39 39.7 17.6 u I36
2014-01-13 02:07:30 C 02 39 02.12 -39 39 51.3 17.3 u I36
2014-03-22 23:44:47 C 05 44 37.48 -38 21 47.9 u 807
2014-03-22 23:49:16 C 05 44 38.14 -38 21 45.6 u 807
2014-03-22 23:56:28 C 05 44 39.18 -38 21 41.8 u 807
2014-03-23 00:27:55 C 05 44 43.77 -38 21 25.4 u 807
2014-03-23 00:56:40 C 05 44 47.97 -38 21 10.3 u 807
2014-03-24 23:42:25 C 05 51 47.24 -37 56 39.3 u 807
2014-03-24 23:46:57 C 05 51 47.91 -37 56 36.8 u 807
2014-03-24 23:51:01 C 05 51 48.52 -37 56 34.5 u 807
2014-04-21 23:21:15 S 07 36 16.800 -30 13 52.00 L C51
2014-04-23 18:00:41 S 07 42 54.463 -29 39 47.41 L C51
2014-04-23 22:45:05 S 07 43 38.587 -29 35 58.20 L C51
2014-04-24 00:19:41 S 07 43 53.25 -29 34 43.0 L C51
2014-04-24 00:19:53 S 07 43 53.31 -29 34 43.3 L C51
2014-04-24 05:04:05 S 07 44 37.27 -29 30 55.3 L C51