2009 UD2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3227963902 ± 1.49e-08
Semi-major axis (a)1.3926484563 AU ± 8.11e-09
Inclination (i)3.83725881° ± 3.90e-06
Long. of Asc. Node (Ω)2.53415890° ± 2.03e-05
Arg. of Perihelion (ω)107.08299704° ± 2.26e-05
Mean Anomaly (M)230.31275413° ± 3.27e-05
Mean Motion (n)0.5997220585°/day ± 5.24e-09
Perihelion dist (q)0.94310656 AU ± 2.14e-08
Aphelion dist (Q)1.84219035 AU ± 2.33e-08
Orbital Period1.64347179 yr ± 1.44e-08
Physical Parameters
H (abs. magnitude)22.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.402″
Uncertainty0
Orbit TypeApollo
MOID0.038038 AU
Observations Used176
Oppositions2
Arc Total2009-2014
First Observation Used2009-10-18
Last Observation Used2014-10-02
Observations (176)
Date Type RA Dec Mag Band Observatory
2010-03-05 02:48:46 C 11 54 26.45 +22 16 33.9 v 204
2010-03-05 04:46:16 C 11 54 25.56 +22 06 36.9 o H26
2010-03-05 04:48:02 C 11 54 25.43 +22 06 28.0 o H26
2010-03-06 01:22:24 C 11 52 48.47 +20 25 04.5 17.5 u C20
2010-03-06 01:24:31 C 11 52 48.24 +20 24 54.2 17.8 u C20
2010-03-07 00:15:26 C 11 51 27.22 +18 42 08.5 u J51
2010-03-07 00:35:26 C 11 51 25.31 +18 40 43.3 u J51
2010-03-07 00:56:00 C 11 51 23.37 +18 39 14.6 u J51
2010-03-08 00:13:10 C 11 50 01.03 +17 02 51.6 u J51
2010-03-08 00:17:49 C 11 49 54.31 +17 02 02.1 17.5 u C20
2010-03-08 00:19:56 C 11 49 54.15 +17 01 54.1 17.4 u C20
2010-03-08 00:29:00 C 11 49 59.71 +17 01 49.9 u J51
2010-03-08 00:44:27 C 11 49 58.41 +17 00 50.3 u J51
2010-03-12 07:16:37 C 11 45 01.56 +11 21 53.8 r 703
2010-03-12 07:27:35 C 11 45 00.87 +11 21 24.0 r 703
2010-03-12 07:38:36 C 11 45 00.13 +11 20 53.3 r 703
2010-03-12 07:49:35 C 11 44 59.44 +11 20 23.2 r 703
2010-03-12 21:52:37 C 11 44 28.16 +10 42 23.6 r 235
2010-03-12 21:57:53 C 11 44 27.85 +10 42 09.8 r 235
2010-03-13 00:13:47 C 11 44 21.49 +10 36 24.5 r J27
2010-03-13 00:29:43 C 11 44 20.55 +10 35 43.5 r J27
2010-03-13 00:55:44 C 11 44 18.97 +10 34 36.0 r J27
2010-03-15 00:45:02 C 11 42 37.05 +08 39 48.3 v 160
2010-03-15 00:47:53 C 11 42 36.91 +08 39 42.1 v 160
2010-03-15 00:51:12 C 11 42 36.73 +08 39 34.6 v 160
2010-03-16 07:10:54 C 11 41 42.57 +07 35 38.4 r G96
2010-03-16 07:16:01 C 11 41 42.32 +07 35 28.5 r G96
2010-03-16 07:19:26 C 11 41 42.14 +07 35 21.3 r G96
2010-03-16 07:24:31 C 11 41 41.89 +07 35 11.5 r G96
2010-03-16 07:27:27 C 11 41 40.35 +07 35 01.1 u H45
2010-03-16 07:27:54 C 11 41 41.74 +07 35 04.3 r G96
2010-03-16 07:29:21 C 11 41 40.26 +07 34 57.3 u H45
2010-03-16 07:31:06 C 11 41 40.16 +07 34 54.1 u H45
2010-03-16 07:32:35 C 11 41 40.13 +07 34 50.7 u H45
2010-03-16 07:33:00 C 11 41 41.46 +07 34 54.3 r G96
2010-03-16 07:34:11 C 11 41 40.01 +07 34 47.8 u H45
2010-03-16 07:36:23 C 11 41 41.31 +07 34 47.1 r G96
2010-03-16 20:59:13 C 11 41 20.95 +07 08 03.2 u A13
2010-03-16 21:04:19 C 11 41 20.73 +07 07 53.4 u A13
2010-03-16 21:46:13 C 11 41 18.99 +07 06 33.0 u A13
2010-03-16 23:57:18 C 11 41 13.02 +07 02 24.6 u 160
2010-03-17 00:01:11 C 11 41 12.85 +07 02 17.1 u 160
2010-03-17 00:04:41 C 11 41 12.68 +07 02 10.4 u 160
2010-03-18 07:38:10 C 11 40 23.81 +06 04 38.3 18.5 c 704
2010-03-18 07:54:06 C 11 40 23.13 +06 04 10.3 18.7 c 704
2010-03-18 08:09:57 C 11 40 22.44 +06 03 42.7 19.0 c 704
2010-03-18 08:25:48 C 11 40 21.77 +06 03 15.4 18.4 c 704
2010-03-18 08:41:41 C 11 40 21.14 +06 02 47.0 18.5 c 704
2010-03-19 07:07:11 C 11 39 50.49 +05 24 58.4 u H45
2010-03-19 07:09:17 C 11 39 50.41 +05 24 55.0 u H45