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
2009-10-18 00:46:38 C 02 07 41.37 +09 11 12.2 r J95
2009-10-18 02:18:20 C 02 08 59.27 +08 30 17.5 r J95
2009-10-18 02:35:47 C 02 09 14.64 +08 22 20.4 r J95
2009-10-18 02:54:21 C 02 09 31.22 +08 13 50.1 r J95
2009-10-18 06:56:32 C 02 14 48.41 +06 25 20.3 o 291
2009-10-18 07:02:05 C 02 14 53.13 +06 22 37.6 o 291
2009-10-18 07:08:03 C 02 14 58.25 +06 19 41.9 o 291
2009-10-18 07:42:31 C 02 15 01.22 +06 00 12.4 o H55
2009-10-18 07:43:03 C 02 15 01.67 +05 59 56.9 o H55
2009-10-18 07:43:35 C 02 15 02.18 +05 59 40.6 o H55
2009-10-18 07:44:07 C 02 15 02.64 +05 59 25.0 o H55
2009-10-18 07:44:38 C 02 15 03.13 +05 59 09.0 o H55
2009-10-18 11:22:32 C 02 18 50.08 +04 09 08.2 c 926
2009-10-18 11:23:57 C 02 18 51.53 +04 08 23.4 c 926
2009-10-18 11:25:20 C 02 18 52.99 +04 07 38.5 c 926
2009-10-19 06:50:15 C 02 48 19.47 -08 10 26.1 o H55
2009-10-19 06:52:58 C 02 48 23.22 -08 12 25.4 o H55
2009-10-19 06:55:07 C 02 48 26.23 -08 14 00.5 o H55
2009-10-19 06:57:16 C 02 48 29.26 -08 15 35.6 o H55
2009-10-19 07:00:32 C 02 48 33.77 -08 17 57.6 o H55
2009-10-19 07:02:40 C 02 48 36.79 -08 19 33.1 o H55
2009-10-19 07:05:38 C 02 48 40.93 -08 21 44.0 o H55
2009-10-20 18:53:34 C 04 16 21.62 -37 41 08.9 c D21
2009-10-20 18:55:52 C 04 16 28.02 -37 42 58.0 c D21
2009-10-21 18:29:58 C 05 48 41.55 -52 41 23.7 c D21
2009-10-21 18:35:39 C 05 49 02.98 -52 44 04.0 c D21
2009-10-21 18:38:30 C 05 49 13.76 -52 45 24.6 c D21
2009-10-21 19:39:49 C 05 53 04.62 -53 13 01.0 c D21
2009-10-21 19:42:35 C 05 53 15.13 -53 14 13.7 c D21
2009-10-21 19:45:26 C 05 53 25.89 -53 15 27.6 c D21
2009-10-21 19:48:18 C 05 53 36.57 -53 16 41.0 c D21