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
2017-03-27 18:38:14 C 14 53 15.18 -44 56 30.5 q Q60
2017-04-18 11:24:50 C 14 20 02.04 -36 12 44.5 q Q60
2017-04-18 11:34:14 C 14 20 01.36 -36 12 33.0 q Q60
2017-04-18 11:43:41 C 14 20 00.76 -36 12 20.2 q Q60
2017-04-20 12:31:30 C 14 16 42.48 -35 09 23.7 L T05
2017-04-20 12:50:22 C 14 16 41.14 -35 08 59.6 L T05
2017-04-20 13:09:58 C 14 16 39.74 -35 08 32.3 L T05
2017-04-20 13:49:15 C 14 16 37.11 -35 07 41.8 L T05
2017-04-28 11:07:55 C 14 04 34.74 -30 49 49.0 L T05
2017-04-28 11:30:40 C 14 04 33.37 -30 49 16.8 L T05
2017-04-28 11:53:22 C 14 04 31.95 -30 48 45.4 L T05
2017-04-28 12:16:08 C 14 04 30.54 -30 48 13.3 L T05
2017-04-30 23:56:28 C 14 01 04.44 -29 24 28.3 q W98
2017-05-01 00:44:13 C 14 01 01.69 -29 23 20.8 q W98
2017-05-01 01:28:10 C 14 00 59.24 -29 22 20.9 q W98
2017-05-06 10:44:35 C 13 54 14.80 -26 21 44.2 L T05
2017-05-06 11:07:19 C 13 54 13.62 -26 21 12.2 L T05
2017-05-06 11:29:17 C 13 54 12.59 -26 20 42.2 L T05
2017-05-06 11:52:01 C 13 54 11.31 -26 20 09.7 L T05
2017-05-19 08:47:06 C 13 42 41.128 -19 38 25.12 L F51
2017-05-19 09:22:38 C 13 42 40.108 -19 37 42.81 L F51
2017-05-19 09:40:25 C 13 42 39.599 -19 37 21.60 L F51
2017-05-21 04:51:45 C 13 41 34.88 -18 46 48.6 o 691
2017-05-21 05:17:34 C 13 41 34.22 -18 46 19.0 o 691
2017-05-21 05:46:12 C 13 41 33.51 -18 45 45.6 o 691
2017-05-23 05:18:35 C 13 40 30.99 -17 52 03.9 q G96
2017-05-23 05:21:34 C 13 40 30.89 -17 52 00.8 q I52
2017-05-23 05:24:42 C 13 40 30.85 -17 51 57.1 q G96
2017-05-23 05:29:54 C 13 40 30.72 -17 51 51.6 q I52
2017-05-23 05:30:49 C 13 40 30.72 -17 51 50.3 q G96
2017-05-23 05:36:56 C 13 40 30.59 -17 51 43.8 q G96
2017-05-23 05:38:14 C 13 40 30.55 -17 51 42.2 q I52
2017-05-23 05:46:35 C 13 40 30.35 -17 51 32.9 q I52
2017-05-28 13:32:14 C 13 38 26.87 -15 37 45.6 q D29
2017-05-28 13:52:36 C 13 38 26.62 -15 37 25.4 q D29
2017-05-28 14:12:58 C 13 38 26.33 -15 37 05.2 q D29
2017-06-17 03:42:46 C 13 39 00.06 -09 37 11.5 q G96
2017-06-17 03:48:52 C 13 39 00.13 -09 37 07.8 q G96
2017-06-17 03:54:56 C 13 39 00.22 -09 37 04.8 q G96
2017-06-17 04:01:02 C 13 39 00.21 -09 37 01.0 q G96
2017-06-18 13:19:46 C 13 39 27.20 -09 18 40.7 q D29
2018-10-15 05:24:31 C 19 03 16.864 +24 19 26.22 U F52
2018-10-15 05:44:28 C 19 03 17.686 +24 19 15.22 U F52
2018-10-15 06:24:24 C 19 03 19.367 +24 18 51.90 U F52
2020-04-20 13:51:07 C 16 57 18.099 -11 38 55.95 U F52
2020-04-20 14:08:05 C 16 57 17.522 -11 38 42.91 U F52
2020-04-20 14:25:02 C 16 57 16.926 -11 38 29.98 U F52
2020-04-26 10:21:15 C 16 52 08.39 -09 49 52.8 V G96
2020-04-26 10:28:12 C 16 52 08.08 -09 49 47.2 V G96
2020-04-26 10:35:10 C 16 52 07.79 -09 49 41.8 V G96