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
2002-12-01 01:41:43 C 23 09 46.88 +14 42 14.3 17.9 c 704
2002-12-01 02:02:36 C 23 09 48.63 +14 41 36.2 18.2 c 704
2002-12-01 02:23:28 C 23 09 50.38 +14 40 57.8 18.3 c 704
2002-12-01 02:44:17 C 23 09 52.14 +14 40 20.5 18.3 c 704
2002-12-01 03:05:07 C 23 09 53.91 +14 39 42.2 18.2 c 704
2002-12-02 01:44:04 C 23 11 53.00 +13 58 44.1 17.6 c 704
2002-12-02 02:06:43 C 23 11 54.95 +13 58 02.7 18.1 c 704
2002-12-02 02:29:11 C 23 11 56.87 +13 57 22.3 17.6 c 704
2002-12-02 02:50:25 C 23 11 58.65 +13 56 44.5 17.8 c 704
2002-12-06 01:42:51 C 23 20 30.99 +11 10 36.4 18.2 c 704
2002-12-06 02:04:49 C 23 20 32.95 +11 09 59.4 18.3 c 704
2002-12-06 02:25:50 C 23 20 34.83 +11 09 23.2 18.3 c 704
2002-12-06 02:47:39 C 23 20 36.79 +11 08 46.7 18.7 c 704
2002-12-06 19:58:10 C 23 22 11.82 +10 39 40.1 c 213
2002-12-06 20:00:22 C 23 22 11.97 +10 39 37.0 c 213
2002-12-07 01:37:08 C 23 22 43.41 +10 30 12.6 18.1 c 704
2002-12-07 01:59:22 C 23 22 45.40 +10 29 35.4 19.8 c 704
2002-12-07 02:21:59 C 23 22 47.48 +10 28 57.1 18.3 c 704
2002-12-07 02:44:31 C 23 22 49.49 +10 28 20.0 18.6 c 704
2002-12-07 03:06:57 C 23 22 51.48 +10 27 42.1 18.2 c 704
2002-12-13 02:13:20 C 23 36 29.38 +06 39 08.1 c 670
2003-01-02 01:41:11 C 00 25 51.98 -03 21 37.5 18.1 c 704
2003-01-02 02:24:22 C 00 25 56.57 -03 22 21.3 18.8 c 704
2003-01-02 02:45:55 C 00 25 58.85 -03 22 41.9 19.2 c 704
2003-01-02 03:07:27 C 00 26 01.12 -03 23 04.4 18.5 c 704
2003-01-03 01:33:30 C 00 28 26.23 -03 45 18.2 17.6 c 704
2003-01-03 02:15:25 C 00 28 30.65 -03 45 58.8 18.5 c 704
2003-01-03 02:36:32 C 00 28 32.90 -03 46 19.6 18.4 c 704
2003-01-03 02:57:24 C 00 28 35.09 -03 46 39.9 18.4 c 704
2003-02-02 02:03:11 C 01 49 13.48 -12 07 01.5 17.6 c 704
2003-02-02 02:25:18 C 01 49 16.00 -12 07 11.7 18.2 c 704
2003-02-02 02:25:19 C 01 49 16.01 -12 07 12.0 18.1 c 704
2003-02-02 02:47:34 C 01 49 18.60 -12 07 21.8 18.2 c 704
2003-02-02 02:47:42 C 01 49 18.52 -12 07 21.8 18.8 c 704
2003-02-02 03:09:42 C 01 49 21.09 -12 07 30.6 18.4 c 704
2003-02-02 03:10:02 C 01 49 21.20 -12 07 32.2 18.3 c 704
2003-02-02 03:32:20 C 01 49 23.87 -12 07 40.6 18.7 c 704
2004-06-17 08:14:23 C 17 53 36.16 +19 46 29.4 c 673
2004-06-17 08:21:59 C 17 53 35.76 +19 46 31.9 c 673
2004-06-17 08:28:14 C 17 53 35.39 +19 46 34.1 c 673
2004-07-16 05:37:14 C 17 20 15.10 +21 06 13.5 c 711
2004-07-16 05:54:17 C 17 20 14.50 +21 06 12.0 c 711
2004-07-17 04:38:09 C 17 19 24.15 +21 03 56.9 c 711
2004-07-17 04:56:38 C 17 19 23.47 +21 03 55.1 c 711
2004-07-17 05:15:10 C 17 19 22.75 +21 03 52.9 c 711
2004-08-05 22:53:11 C 17 07 25.48 +19 29 12.5 r 941
2004-08-05 22:58:08 C 17 07 25.38 +19 29 11.0 r 941
2004-08-05 22:59:51 C 17 07 25.35 +19 29 10.6 r 941
2004-08-05 23:01:33 C 17 07 25.32 +19 29 10.3 r 941
2005-09-13 09:55:36 C 06 23 40.26 +24 03 28.8 18.7 c 704