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
2005-09-13 10:29:00 C 06 23 44.79 +24 02 41.9 18.7 c 704
2005-09-13 10:45:40 C 06 23 47.01 +24 02 18.3 18.8 c 704
2005-09-13 11:02:23 C 06 23 49.21 +24 01 54.3 18.5 c 704
2005-11-26 06:00:07 C 10 07 24.13 -39 27 06.3 c 844
2005-11-26 06:04:14 C 10 07 24.55 -39 27 13.9 c 844
2005-11-26 06:06:21 C 10 07 24.92 -39 27 19.2 c 844
2005-11-26 06:07:48 C 10 07 24.93 -39 27 21.0 c 844
2005-11-26 06:10:08 C 10 07 25.24 -39 27 25.9 c 844
2005-12-25 15:47:06 C 11 31 58.84 -55 54 26.2 r 423
2005-12-25 16:04:05 C 11 32 00.77 -55 54 43.0 r 423
2006-04-09 01:50:00 C 12 11 02.57 -51 22 14.0 o 808
2006-04-09 02:10:09 C 12 11 01.60 -51 21 43.2 o 808
2006-04-09 02:20:10 C 12 11 01.32 -51 21 29.6 o 808
2006-04-22 13:06:51 C 12 04 12.50 -41 52 03.3 r E12
2006-04-22 13:29:47 C 12 04 12.28 -41 51 22.6 r E12
2006-04-22 14:15:48 C 12 04 11.78 -41 49 57.2 r E12
2006-04-23 09:05:04 C 12 04 04.73 -41 15 33.7 r 423
2006-04-23 09:40:05 C 12 04 04.14 -41 14 30.9 r 423
2006-04-23 10:06:19 C 12 04 04.04 -41 13 42.9 r 423
2006-05-04 13:34:33 C 12 04 51.85 -33 17 10.8 r E12
2006-05-04 13:35:11 C 12 04 51.78 -33 17 09.7 r E12
2006-05-04 13:49:37 C 12 04 51.96 -33 16 44.6 r E12
2006-05-04 13:50:13 C 12 04 51.92 -33 16 44.4 r E12
2006-05-04 14:04:42 C 12 04 52.06 -33 16 19.0 r E12
2006-05-04 14:05:18 C 12 04 52.14 -33 16 17.7 r E12
2006-05-04 14:19:45 C 12 04 52.28 -33 15 53.3 r E12
2006-05-04 14:20:22 C 12 04 52.24 -33 15 52.4 r E12
2006-05-21 04:25:29 C 12 13 32.25 -23 17 37.6 o 699
2006-05-21 04:45:08 C 12 13 32.83 -23 17 12.6 o 699
2006-05-21 05:04:47 C 12 13 33.33 -23 16 46.3 o 699
2006-05-21 05:24:26 C 12 13 33.88 -23 16 22.3 o 699
2006-05-25 10:47:28 C 12 16 48.93 -21 12 39.7 r E12
2006-05-25 11:02:09 C 12 16 49.36 -21 12 21.9 r E12
2006-05-25 11:16:48 C 12 16 49.83 -21 12 04.5 r E12
2007-07-09 04:39:43 C 19 04 03.85 +33 58 46.9 20.0 o H55
2007-07-09 04:41:52 C 19 04 03.67 +33 58 46.6 20.1 o H55
2007-07-09 04:44:03 C 19 04 03.52 +33 58 47.5 20.2 o H55
2009-04-22 09:59:14 C 16 14 39.44 -18 10 49.1 19.4 c 704
2009-04-22 10:29:56 C 16 14 37.85 -18 10 22.7 20.1 c 704
2009-04-22 10:45:15 C 16 14 37.03 -18 10 09.9 19.7 c 704
2009-04-30 08:42:30 C 16 04 30.68 -15 23 43.7 r 703
2009-04-30 08:54:42 C 16 04 30.03 -15 23 33.4 r 703
2009-04-30 09:06:52 C 16 04 29.31 -15 23 21.9 r 703
2009-05-15 08:47:56 C 15 43 07.54 -10 02 36.4 o 691
2009-05-15 09:13:24 C 15 43 05.99 -10 02 14.5 o 691
2009-05-15 09:44:08 C 15 43 04.12 -10 01 48.1 o 691
2009-05-16 01:32:07 C 15 42 07.72 -09 48 14.6 r J75
2009-05-16 01:50:32 C 15 42 06.61 -09 47 58.1 r J75
2009-05-18 15:17:24 C 15 38 29.81 -08 56 01.3 r D29
2009-05-18 15:34:42 C 15 38 28.67 -08 55 47.7 r D29