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
2013-11-12 20:34:28 C 01 55 59.90 +21 34 24.8 q Z81
2013-11-12 21:18:27 C 01 55 58.32 +21 31 02.6 q Z81
2013-11-13 06:32:17 C 01 55 40.33 +20 48 20.3 q H45
2013-11-13 06:34:26 C 01 55 40.24 +20 48 10.5 q H45
2013-11-13 06:35:45 C 01 55 40.22 +20 48 04.1 q H45
2013-11-13 06:37:15 C 01 55 40.16 +20 47 57.2 q H45
2013-11-13 06:38:34 C 01 55 40.11 +20 47 51.1 q H45
2013-11-13 06:40:01 C 01 55 40.06 +20 47 44.4 q H45
2013-11-13 12:03:15 C 01 55 31.62 +20 22 42.0 o 300
2013-11-13 12:03:53 C 01 55 31.63 +20 22 39.1 o 300
2013-11-13 12:04:31 C 01 55 31.66 +20 22 35.8 o 300
2013-11-13 12:05:09 C 01 55 31.60 +20 22 32.7 o 300
2013-11-13 17:40:51 C 01 55 22.40 +19 56 21.6 q C95
2013-11-13 18:22:19 C 01 55 21.08 +19 53 08.5 q C95
2013-11-14 04:55:16 C 01 55 01.77 +19 03 47.3 u H21
2013-11-14 04:57:35 C 01 55 01.69 +19 03 36.4 u H21
2013-11-14 05:01:27 C 01 55 01.56 +19 03 18.2 u H21
2013-11-14 05:03:14 C 01 55 01.50 +19 03 09.7 u H21
2013-11-14 05:05:16 C 01 55 01.43 +19 03 00.1 u H21
2013-11-14 05:07:03 C 01 55 01.37 +19 02 51.8 u H21
2013-11-14 05:08:05 C 01 55 01.34 +19 02 47.0 u H21
2013-11-14 05:10:22 C 01 55 01.26 +19 02 36.2 u H21
2013-11-19 04:38:26 C 01 52 16.89 +09 32 41.7 u H21
2013-11-19 04:41:01 C 01 52 16.83 +09 32 29.2 u H21
2013-11-19 04:44:06 C 01 52 16.75 +09 32 14.4 u H21
2013-11-19 04:46:56 C 01 52 16.69 +09 32 01.0 u H21
2013-11-19 04:49:47 C 01 52 16.62 +09 31 47.6 u H21
2013-11-19 04:52:37 C 01 52 16.56 +09 31 34.0 u H21
2013-11-21 14:28:59 C 01 51 24.76 +04 59 05.2 o 300
2013-11-21 14:31:37 C 01 51 24.68 +04 58 52.4 o 300
2013-11-21 14:34:14 C 01 51 24.64 +04 58 40.5 o 300
2013-11-21 14:36:49 C 01 51 24.64 +04 58 28.2 o 300
2013-11-22 20:30:53 C 01 51 06.08 +02 40 01.1 r 006
2013-11-22 20:36:10 C 01 51 06.07 +02 39 36.5 r 006
2013-11-22 20:43:47 C 01 51 05.90 +02 39 02.2 r 006
2013-11-24 01:08:05 C 01 50 51.07 +00 30 08.8 q J93
2013-11-24 01:15:38 C 01 50 51.06 +00 29 33.2 q J93
2013-11-24 01:18:02 C 01 50 51.05 +00 29 22.4 q J93
2013-11-26 21:57:14 C 01 50 37.01 -04 28 36.6 t 130
2013-11-26 21:59:27 C 01 50 37.00 -04 28 46.1 t 130
2013-11-26 22:01:39 C 01 50 37.04 -04 28 56.7 t 130
2013-11-26 22:04:25 C 01 50 36.98 -04 29 06.9 t 130
2013-11-29 02:39:58 C 01 50 44.11 -08 02 22.6 q I15
2013-11-29 02:42:12 C 01 50 44.10 -08 02 31.3 q I15
2013-11-29 02:44:24 C 01 50 44.10 -08 02 39.9 q I15
2013-12-07 21:12:08 C 01 53 44.54 -19 48 10.8 u Z65
2013-12-07 21:24:26 C 01 53 44.80 -19 48 44.5 u Z65
2013-12-07 21:33:43 C 01 53 44.92 -19 49 10.8 u Z65
2013-12-12 01:46:35 C 01 56 31.45 -24 05 05.3 u H21
2013-12-12 01:49:59 C 01 56 31.53 -24 05 13.0 u H21