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
2009-10-18 03:13:50 C 23 45 56.92 +03 41 27.0 o 291
2009-10-18 03:29:16 C 23 45 55.30 +03 41 25.9 o 291
2009-10-18 03:43:57 C 23 45 53.69 +03 41 24.9 o 291
2009-10-18 04:31:18 C 23 45 48.33 +03 41 21.2 o H01
2009-10-18 04:40:24 C 23 45 47.33 +03 41 20.6 o H01
2009-10-18 04:52:32 C 23 45 45.99 +03 41 19.8 o H01
2009-10-18 08:56:55 C 23 45 19.36 +03 41 04.6 c 926
2009-10-18 09:03:52 C 23 45 18.64 +03 41 04.1 c 926
2009-10-19 03:25:18 C 23 43 28.83 +03 39 57.0 o 291
2009-10-19 03:30:50 C 23 43 28.27 +03 39 57.0 o 291
2009-10-19 04:40:05 C 23 43 20.07 +03 39 50.2 o H55
2009-10-19 04:51:59 C 23 43 18.73 +03 39 49.2 o H55
2009-10-19 05:03:24 C 23 43 17.51 +03 39 48.0 o H55
2009-10-19 06:21:29 C 23 43 09.88 +03 39 46.8 o 673
2009-10-19 06:35:00 C 23 43 08.42 +03 39 45.3 o 673
2009-10-19 07:51:01 C 23 42 59.99 +03 39 41.7 o 291
2009-10-19 07:58:17 C 23 42 59.20 +03 39 40.6 o 291
2009-10-19 08:04:02 C 23 42 58.56 +03 39 40.5 o 291
2009-10-20 03:03:28 C 23 41 05.72 +03 38 39.8 o 291
2009-10-20 03:08:46 C 23 41 05.13 +03 38 39.7 o 291
2009-10-20 03:14:24 C 23 41 04.59 +03 38 39.7 o 291
2009-10-21 02:39:16 C 23 38 44.39 +03 37 33.5 o 291
2009-10-21 02:45:02 C 23 38 43.79 +03 37 33.1 o 291
2009-10-21 03:06:40 C 23 38 41.45 +03 37 32.8 o 291
2009-10-22 06:03:52 C 23 36 00.87 +03 36 31.9 o 291
2009-10-22 06:11:01 C 23 36 00.11 +03 36 31.8 o 291
2009-10-22 06:17:34 C 23 35 59.41 +03 36 32.2 o 291
2009-10-23 07:45:30 C 23 33 30.87 +03 35 49.8 o 291
2009-10-23 07:50:47 C 23 33 30.34 +03 35 49.8 o 291
2009-10-23 07:56:06 C 23 33 29.84 +03 35 49.5 o 291
2009-10-24 05:30:49 C 23 31 27.65 +03 35 28.0 o 291
2009-10-24 05:37:47 C 23 31 26.92 +03 35 28.0 o 291
2009-10-25 03:21:59 C 23 29 26.12 +03 35 17.7 r G96
2009-10-25 03:32:26 C 23 29 25.08 +03 35 17.9 r G96
2009-10-25 03:42:39 C 23 29 24.03 +03 35 17.7 r G96
2009-10-25 03:53:09 C 23 29 23.02 +03 35 17.5 r G96
2009-10-25 04:54:07 C 23 29 16.88 +03 35 17.9 o 291
2009-10-25 04:59:38 C 23 29 16.30 +03 35 18.4 o 291
2009-10-25 05:05:20 C 23 29 15.77 +03 35 18.0 o 291
2009-10-26 01:58:05 C 23 27 22.54 +03 35 21.9 o 291
2009-10-26 02:03:33 C 23 27 21.95 +03 35 22.4 o 291
2009-10-26 02:08:53 C 23 27 21.46 +03 35 22.0 o 291
2009-10-27 02:54:18 C 23 25 08.17 +03 35 42.9 o 291
2009-10-27 02:59:40 C 23 25 07.74 +03 35 44.2 o 291
2009-10-27 03:05:01 C 23 25 07.18 +03 35 44.0 o 291
2009-11-09 04:33:46 C 23 02 45.23 +04 09 48.9 o 291
2009-11-09 04:39:12 C 23 02 44.86 +04 09 49.7 o 291
2009-11-09 04:46:55 C 23 02 44.45 +04 09 51.0 o 291
2009-11-16 04:12:00 C 22 55 37.29 +04 53 08.9 o 291
2009-11-16 04:17:25 C 22 55 37.05 +04 53 10.8 o 291