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
2021-11-07 18:13:17 C 21 24 41.83 +29 29 34.8 V 130
2021-11-11 06:51:06 C 21 30 32.17 +27 41 27.7 V T08
2021-11-11 07:00:24 C 21 30 32.85 +27 41 15.8 V T08
2021-11-11 07:17:02 C 21 30 34.05 +27 40 54.8 V T08
2021-11-11 07:22:23 C 21 30 34.44 +27 40 48.2 V T08
2021-11-13 04:58:47 C 21 33 54.213 +26 43 09.16 U F52
2021-11-13 05:03:19 C 21 33 54.531 +26 43 03.19 U F52
2021-11-13 05:13:44 C 21 33 55.300 +26 42 50.18 U F52
2021-11-13 05:18:20 C 21 33 55.632 +26 42 44.48 U F52
2021-11-18 17:43:30 C 21 44 13.18 +23 58 34.3 V 160
2021-11-18 17:48:31 C 21 44 13.56 +23 58 28.3 V 160
2021-11-18 17:53:32 C 21 44 13.95 +23 58 22.0 V 160
2021-11-19 10:48:07 C 21 45 36.60 +23 37 50.8 V D29
2021-11-19 11:02:03 C 21 45 37.72 +23 37 33.2 V D29
2021-11-19 11:15:59 C 21 45 38.84 +23 37 16.5 V D29
2021-11-27 06:17:58 C 22 01 45.33 +19 57 28.3 V T08
2021-11-27 06:23:57 C 22 01 45.98 +19 57 21.2 V T08
2021-11-27 06:33:55 C 22 01 46.74 +19 57 09.9 V T08
2021-11-27 06:49:10 C 22 01 48.15 +19 56 52.3 V T08
2021-11-27 06:49:50 C 22 01 48.24 +19 56 51.3 V T08
2021-11-27 07:02:26 C 22 01 49.33 +19 56 37.7 V T08
2021-11-28 06:15:38 C 22 03 55.645 +19 30 23.20 U F51
2021-11-28 07:01:05 C 22 03 59.713 +19 29 31.75 U F51
2021-11-28 07:20:25 C 22 04 01.444 +19 29 09.87 U F51
2021-12-01 01:56:47 C 22 10 10.96 +18 15 20.6 V 703
2021-12-01 02:05:00 C 22 10 11.73 +18 15 11.7 V 703
2021-12-01 02:13:13 C 22 10 12.45 +18 15 01.7 V 703
2021-12-01 02:21:28 C 22 10 13.17 +18 14 53.5 V 703
2021-12-01 02:30:25 C 22 10 14.09 +18 14 43.8 V 703
2021-12-01 02:38:41 C 22 10 14.82 +18 14 34.7 V 703
2021-12-01 02:46:56 C 22 10 15.54 +18 14 25.0 V 703
2021-12-01 02:55:12 C 22 10 16.37 +18 14 16.9 V 703
2021-12-03 04:58:46 C 22 15 00.54 +17 20 18.2 V T05
2021-12-03 05:04:02 C 22 15 01.02 +17 20 12.4 V T05
2021-12-03 05:18:35 C 22 15 02.38 +17 19 57.1 V T05
2021-12-03 05:32:32 C 22 15 03.70 +17 19 42.3 V T05
2021-12-07 01:59:03 C 22 24 02.22 +15 43 23.4 V 703
2021-12-07 02:15:35 C 22 24 03.88 +15 43 07.4 V 703
2021-12-07 02:23:51 C 22 24 04.58 +15 42 58.6 V 703
2021-12-08 01:58:24 C 22 26 24.69 +15 19 09.9 V 703
2021-12-08 02:06:40 C 22 26 25.42 +15 19 02.1 V 703
2021-12-08 02:14:56 C 22 26 26.29 +15 18 52.8 V 703
2021-12-08 02:23:12 C 22 26 27.10 +15 18 44.0 V 703
2021-12-13 02:26:54 C 22 38 35.24 +13 22 11.7 V G96
2021-12-13 02:34:23 C 22 38 35.97 +13 22 04.7 V G96
2021-12-13 02:41:53 C 22 38 36.73 +13 21 57.9 V G96
2021-12-13 02:49:23 C 22 38 37.51 +13 21 50.5 V G96
2021-12-14 12:24:05 C 22 42 05.30 +12 50 40.6 V D29
2021-12-14 12:39:07 C 22 42 06.79 +12 50 26.2 V D29
2021-12-14 12:54:09 C 22 42 08.37 +12 50 12.9 V D29