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
2014-04-24 06:38:54 S 07 44 51.85 -29 29 38.3 L C51
2014-04-24 08:13:42 S 07 45 06.60 -29 28 22.1 L C51
2014-04-24 12:57:55 S 07 45 50.546 -29 24 35.39 L C51
2014-04-24 14:32:43 S 07 46 05.22 -29 23 18.3 L C51
2014-04-24 17:42:08 S 07 46 34.486 -29 20 45.56 L C51
2014-04-25 00:01:20 S 07 47 33.17 -29 15 41.3 L C51
2014-04-25 04:45:44 S 07 48 16.982 -29 11 51.83 L C51
2014-04-25 06:20:32 S 07 48 31.63 -29 10 35.4 L C51
2014-04-25 07:55:20 S 07 48 46.26 -29 09 20.4 L C51
2014-04-25 12:39:34 S 07 49 30.13 -29 05 30.4 L C51
2014-04-25 14:14:22 S 07 49 44.81 -29 04 15.3 L C51
2014-04-25 17:23:58 S 07 50 13.992 -29 01 41.99 L C51
2014-04-26 01:17:58 S 07 51 27.034 -28 55 19.45 L C51
2014-04-26 15:31:00 S 07 53 38.256 -28 43 51.10 L C51
2014-04-26 17:05:37 S 07 53 52.841 -28 42 35.75 L C51
2014-04-27 08:53:37 S 07 56 18.235 -28 29 51.65 L C51
2014-04-27 15:12:38 S 07 57 16.46 -28 24 44.4 L C51
2014-04-27 18:22:14 S 07 57 45.398 -28 22 12.43 L C51
2014-04-28 05:25:40 S 07 59 26.93 -28 13 16.5 L C51
2014-04-28 07:00:28 S 07 59 41.41 -28 11 59.8 L C51
2014-04-28 14:54:28 S 08 00 53.74 -28 05 36.4 L C51
2014-04-28 18:04:04 S 08 01 22.764 -28 03 05.00 L C51
2014-04-29 03:32:42 S 08 02 49.44 -27 55 27.5 L C51
2014-05-01 06:05:35 S 08 10 29.621 -27 14 40.92 L C51
2014-05-01 09:15:11 S 08 10 58.164 -27 12 08.68 L C51
2014-05-13 00:33:48 C 08 51 57.78 -23 33 48.6 u 807
2014-05-13 00:37:00 C 08 51 58.23 -23 33 46.3 u 807
2014-05-13 00:40:42 C 08 51 58.74 -23 33 43.6 u 807
2014-05-13 00:43:43 C 08 51 59.16 -23 33 41.4 u 807
2014-05-13 00:47:37 C 08 51 59.73 -23 33 38.5 u 807
2014-05-13 08:44:28 S 08 53 07.56 -23 27 44.2 L C51
2014-05-13 08:44:39 S 08 53 07.57 -23 27 43.2 L C51
2014-05-13 10:19:17 S 08 53 21.07 -23 26 32.6 L C51
2014-05-13 15:03:41 S 08 54 01.29 -23 22 59.3 L C51
2014-05-14 06:51:19 S 08 56 15.05 -23 11 15.1 L C51
2014-05-14 08:26:07 S 08 56 28.50 -23 10 06.5 L C51
2014-05-14 11:35:43 S 08 56 55.25 -23 07 46.0 L C51
2014-05-14 14:45:19 S 08 57 21.94 -23 05 27.6 L C51
2014-05-15 00:13:45 S 08 58 41.81 -22 58 28.0 L C51
2015-07-18 04:21:32 C 17 50 18.70 +25 47 51.0 u H21
2015-07-18 04:32:13 C 17 50 18.26 +25 47 49.8 u H21
2015-07-18 04:42:51 C 17 50 17.79 +25 47 48.7 u H21
2015-07-25 03:16:09 C 17 43 32.97 +25 25 32.2 u H21
2015-07-25 03:29:01 C 17 43 32.49 +25 25 30.9 u H21
2017-03-21 13:24:51 C 14 59 59.386 -46 31 00.41 L F51
2017-03-21 13:36:12 C 14 59 58.909 -46 30 53.98 L F51
2017-03-21 13:47:31 C 14 59 58.451 -46 30 47.72 L F51
2017-03-21 13:58:48 C 14 59 57.976 -46 30 41.42 L F51
2017-03-27 18:19:44 C 14 53 16.25 -44 56 43.1 q Q60
2017-03-27 18:28:59 C 14 53 15.74 -44 56 37.2 q Q60