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
2021-12-27 10:21:28 C 23 15 16.57 +08 32 04.9 V D29
2021-12-27 10:41:50 C 23 15 18.77 +08 31 49.2 V D29
2021-12-27 11:02:12 C 23 15 20.99 +08 31 34.0 V D29
2022-01-05 02:13:01 C 23 38 31.90 +06 07 04.6 V 703
2022-01-05 02:21:16 C 23 38 32.85 +06 06 59.1 V 703
2022-01-05 02:29:31 C 23 38 33.78 +06 06 53.6 V 703
2022-01-05 02:37:46 C 23 38 34.77 +06 06 48.1 V 703
2022-01-05 05:04:43 C 23 38 51.48 +06 05 14.4 V T08
2022-01-05 05:09:22 C 23 38 51.94 +06 05 12.4 V T08
2022-01-05 05:19:58 C 23 38 53.05 +06 05 05.9 V T08
2022-01-05 05:39:21 C 23 38 55.26 +06 04 52.5 V T08
2022-01-12 02:09:37 C 23 57 46.76 +04 25 18.3 V 703
2022-01-12 02:23:59 C 23 57 48.39 +04 25 08.3 V 703
2022-01-12 02:31:11 C 23 57 49.29 +04 25 05.0 V 703
2022-02-03 02:06:37 C 01 00 13.87 +00 18 23.5 V 703
2022-02-03 02:14:48 C 01 00 14.75 +00 18 21.1 V 703
2022-02-03 02:22:59 C 01 00 15.69 +00 18 17.3 V 703
2022-02-03 02:31:09 C 01 00 16.67 +00 18 15.1 V 703
2022-02-25 02:15:30 C 02 05 16.71 -02 29 12.2 V 703
2022-02-25 02:30:36 C 02 05 18.46 -02 29 15.8 V 703
2022-02-25 02:38:09 C 02 05 19.38 -02 29 18.8 V 703
2022-03-01 02:20:14 C 02 17 24.50 -02 53 58.6 V 703
2022-03-01 02:27:48 C 02 17 25.54 -02 54 02.1 V 703
2022-03-01 02:35:21 C 02 17 26.48 -02 54 04.2 V 703
2022-03-01 02:42:54 C 02 17 27.43 -02 54 05.3 V 703
2023-05-28 13:04:48 C 17 53 02.897 +12 37 47.04 X F52
2023-05-28 13:23:20 C 17 53 02.007 +12 37 58.04 X F52
2023-05-28 13:41:52 C 17 53 01.107 +12 38 09.05 X F52
2023-05-28 14:00:29 C 17 53 00.216 +12 38 20.12 X F52
2023-06-18 07:46:26 C 17 27 20.423 +16 27 19.43 X F52
2023-06-18 08:04:48 C 17 27 19.425 +16 27 25.16 X F52
2023-06-18 08:23:08 C 17 27 18.437 +16 27 30.83 X F52
2023-06-18 08:41:36 C 17 27 17.440 +16 27 36.59 X F52
2023-06-19 12:10:09 C 17 25 50.119 +16 35 46.39 X F51
2023-06-19 12:26:57 C 17 25 49.218 +16 35 51.19 X F51
2023-06-19 12:52:11 C 17 25 47.863 +16 35 58.36 X F51
2023-06-21 07:27:36 C 17 23 34.120 +16 47 36.28 V G96
2023-06-21 07:35:04 C 17 23 33.796 +16 47 38.62 V G96
2023-06-21 07:42:32 C 17 23 33.371 +16 47 40.74 V G96
2023-06-21 07:49:58 C 17 23 32.968 +16 47 43.01 V G96
2023-07-06 08:02:22 C 17 06 18.626 +17 39 50.22 V G96
2023-07-06 08:10:29 C 17 06 18.205 +17 39 50.62 V G96
2023-07-06 08:18:37 C 17 06 17.870 +17 39 51.26 V G96
2023-07-06 08:26:44 C 17 06 17.471 +17 39 50.47 V G96
2023-07-09 07:00:39 C 17 03 24.708 +17 41 03.43 X F52
2023-07-09 07:35:22 C 17 03 23.294 +17 41 03.27 X F52
2023-07-09 07:53:14 C 17 03 22.564 +17 41 03.13 X F52
2023-07-14 09:47:03 C 16 58 52.727 +17 36 54.83 X F51
2023-07-14 10:06:46 C 16 58 52.054 +17 36 53.85 X F51
2023-07-14 10:26:42 C 16 58 51.333 +17 36 52.69 X F51