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
2009-11-18 05:22:49 C 22 54 09.77 +05 09 27.2 o 291
2009-11-18 05:30:33 C 22 54 09.56 +05 09 29.8 o 291
2009-11-18 05:38:11 C 22 54 09.25 +05 09 32.7 o 291
2009-12-18 02:45:46 C 22 57 09.47 +12 12 16.2 o 291
2009-12-18 02:52:05 C 22 57 09.58 +12 12 19.6 o 291
2009-12-18 02:58:01 C 22 57 09.66 +12 12 24.9 o 291
2009-12-19 02:39:28 C 22 57 45.18 +12 32 22.2 o 291
2009-12-19 02:44:50 C 22 57 45.29 +12 32 26.5 o 291
2009-12-19 02:50:16 C 22 57 45.38 +12 32 30.7 o 291
2010-01-05 02:26:44 C 23 08 32.67 +19 28 29.9 o 291
2010-01-05 02:32:23 C 23 08 32.71 +19 28 35.4 o 291
2010-01-05 02:37:59 C 23 08 32.86 +19 28 43.5 o 291
2010-02-20 02:05:21 C 13 33 07.06 +71 06 43.4 18.1 u C20
2010-02-20 02:07:28 C 13 33 03.71 +71 06 17.6 16.9 u C20
2010-02-23 16:03:08 C 12 31 18.19 +53 24 38.4 u 379
2010-02-23 16:20:29 C 12 31 10.35 +53 21 16.7 u 379
2010-02-23 16:41:50 C 12 31 00.71 +53 17 08.0 u 379
2010-02-24 00:24:51 C 12 28 12.58 +51 46 49.0 17.5 u C20
2010-02-24 17:05:29 C 12 23 09.73 +48 39 28.9 u 379
2010-02-24 17:14:48 C 12 23 06.38 +48 37 46.1 u 379
2010-02-24 17:24:08 C 12 23 03.09 +48 36 03.1 u 379
2010-02-24 17:26:49 C 12 23 02.14 +48 35 33.1 u 379
2010-02-24 17:36:09 C 12 22 58.89 +48 33 50.0 u 379
2010-02-24 17:38:49 C 12 22 57.94 +48 33 20.5 u 379
2010-02-24 17:41:28 C 12 22 57.00 +48 32 51.0 u 379
2010-02-25 22:22:25 C 12 16 02.74 +43 30 29.1 17.2 u C20
2010-02-25 22:26:39 C 12 16 01.59 +43 29 46.6 17.3 u C20
2010-02-26 21:03:07 C 12 11 46.85 +39 50 34.6 w 213
2010-02-26 21:06:02 C 12 11 46.28 +39 50 08.9 w 213
2010-02-26 21:10:56 C 12 11 45.26 +39 49 25.5 w 213
2010-02-28 22:26:08 C 12 04 13.60 +32 53 11.3 16.9 u C20
2010-02-28 22:30:22 C 12 04 12.89 +32 52 38.9 17.1 u C20
2010-03-01 21:31:22 C 12 01 37.85 +30 03 12.6 c C12
2010-03-01 21:35:28 C 12 01 37.25 +30 02 44.6 c C12
2010-03-01 21:39:44 C 12 01 36.83 +30 02 15.2 c C12
2010-03-01 21:44:13 C 12 01 36.16 +30 01 44.8 c C12
2010-03-01 22:47:55 C 12 01 21.18 +29 54 36.1 16.6 u C20
2010-03-01 22:52:08 C 12 01 20.57 +29 54 06.3 16.4 u C20
2010-03-03 01:41:54 C 11 58 31.95 +26 56 15.5 18.0 u C20
2010-03-03 01:46:07 C 11 58 31.41 +26 55 47.3 17.0 u C20
2010-03-04 09:17:41 C 11 55 50.55 +23 50 47.9 r 703
2010-03-04 09:25:55 C 11 55 49.54 +23 50 00.9 r 703
2010-03-04 09:34:18 C 11 55 48.64 +23 49 15.1 r 703
2010-03-04 09:42:38 C 11 55 47.64 +23 48 28.5 r 703
2010-03-04 22:35:16 C 11 54 48.91 +22 38 44.3 17.5 u C20
2010-03-04 22:39:30 C 11 54 48.46 +22 38 22.2 17.5 u C20
2010-03-05 02:35:01 C 11 54 27.82 +22 17 46.1 v 204
2010-03-05 02:38:26 C 11 54 27.48 +22 17 28.1 v 204
2010-03-05 02:41:51 C 11 54 27.14 +22 17 10.2 v 204
2010-03-05 02:45:16 C 11 54 26.80 +22 16 52.3 v 204