2009 UD

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1215537000
Semi-major axis (a)1.0393106000 AU
Inclination (i)4.41120000°
Long. of Asc. Node (Ω)203.67925000°
Arg. of Perihelion (ω)261.81669000°
Mean Anomaly (M)1.63232000°
Mean Motion (n)0.9302207600°/day
Perihelion dist (q)0.91297860 AU
Aphelion dist (Q)1.16564260 AU
Orbital Period1.05954170 yr
Physical Parameters
H (abs. magnitude)27.20
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.820″
Uncertainty4
Orbit TypeApollo
MOID0.005055 AU
Observations Used81
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-10-21
Observations (81)
Date Type RA Dec Mag Band Observatory
2009-10-16 06:45:01 C 01 34 57.41 +22 07 56.0 18.6 c 704
2009-10-16 07:04:08 C 01 35 04.45 +22 03 57.1 18.1 c 704
2009-10-16 07:23:18 C 01 35 11.67 +21 59 55.1 18.7 c 704
2009-10-16 07:42:29 C 01 35 18.89 +21 55 48.7 18.3 c 704
2009-10-16 08:06:36 C 01 35 31.23 +21 50 59.3 r 703
2009-10-16 08:21:02 C 01 35 36.67 +21 47 51.3 r 703
2009-10-16 08:35:38 C 01 35 42.32 +21 44 38.4 r 703
2009-10-16 09:42:58 C 01 36 09.43 +21 29 27.9 r 703
2009-10-16 09:43:44 C 01 36 09.72 +21 29 17.1 r 703
2009-10-16 09:44:32 C 01 36 10.11 +21 29 06.6 r 703
2009-10-16 09:45:19 C 01 36 10.47 +21 28 55.8 r 703
2009-10-16 10:48:38 C 01 36 37.62 +21 13 34.8 o H01
2009-10-16 10:52:41 C 01 36 39.60 +21 12 36.9 o H01
2009-10-16 10:59:37 C 01 36 42.99 +21 10 57.6 o H01
2009-10-16 11:06:02 C 01 36 46.19 +21 09 25.5 o H01
2009-10-16 11:06:36 C 01 36 47.37 +21 09 51.4 r 703
2009-10-16 11:07:16 C 01 36 47.70 +21 09 41.9 r 703
2009-10-16 11:08:02 C 01 36 48.09 +21 09 29.9 r 703
2009-10-16 11:08:50 C 01 36 48.45 +21 09 18.9 r 703
2009-10-16 14:07:06 C 01 38 35.38 +20 31 16.6 o F65
2009-10-16 14:07:54 C 01 38 35.79 +20 31 04.5 o F65
2009-10-16 14:08:45 C 01 38 36.20 +20 30 51.8 o F65
2009-10-16 14:09:33 C 01 38 36.59 +20 30 39.7 o F65
2009-10-16 15:57:15 C 01 40 09.01 +20 18 11.7 o E10
2009-10-16 15:58:15 C 01 40 09.44 +20 17 56.6 o E10
2009-10-16 15:59:15 C 01 40 09.93 +20 17 41.8 o E10
2009-10-16 16:00:15 C 01 40 10.38 +20 17 26.6 o E10
2009-10-16 22:43:33 C 01 45 21.64 +18 16 14.6 v 204
2009-10-16 22:47:42 C 01 45 23.81 +18 15 07.0 v 204
2009-10-16 22:51:53 C 01 45 25.99 +18 13 59.4 v 204
2009-10-16 22:56:12 C 01 45 28.24 +18 12 49.0 v 204
2009-10-16 23:01:06 C 01 45 30.80 +18 11 29.2 v 204
2009-10-17 01:58:46 C 01 47 16.61 +17 19 51.5 r J95
2009-10-17 02:35:09 C 01 47 38.21 +17 09 03.1 r J95
2009-10-17 02:53:28 C 01 49 07.69 +17 06 22.8 o H01
2009-10-17 03:01:23 C 01 47 54.28 +17 01 09.0 r J95
2009-10-17 03:04:15 C 01 49 14.79 +17 03 22.9 o H01
2009-10-17 03:21:24 C 01 49 25.88 +16 58 35.4 o H01
2009-10-17 03:27:14 C 01 48 10.57 +16 53 17.2 r J95
2009-10-17 03:33:43 C 01 49 33.73 +16 55 07.3 o H01
2009-10-17 03:49:44 C 01 49 43.77 +16 50 34.9 o H01
2009-10-17 03:52:50 C 01 48 27.19 +16 45 24.8 r J95
2009-10-17 05:15:20 C 01 50 38.70 +16 26 14.8 c 926
2009-10-17 05:16:47 C 01 50 39.54 +16 25 48.9 c 926
2009-10-17 05:18:15 C 01 50 40.38 +16 25 23.1 c 926
2009-10-17 16:09:08 C 01 59 25.63 +13 04 31.7 c D21
2009-10-17 16:11:28 C 01 59 27.08 +13 03 41.0 c D21
2009-10-17 23:55:11 C 02 06 58.93 +09 33 32.2 r J95
2009-10-18 00:09:38 C 02 07 10.79 +09 27 18.9 r J95
2009-10-18 00:28:18 C 02 07 26.19 +09 19 12.6 r J95