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
2010-03-19 07:10:48 C 11 39 50.35 +05 24 52.7 u H45
2010-03-19 07:12:18 C 11 39 50.27 +05 24 50.1 u H45
2010-03-19 07:13:57 C 11 39 50.24 +05 24 47.7 u H45
2010-03-25 02:10:44 C 11 37 38.04 +02 17 36.9 r I20
2010-03-25 02:46:34 C 11 37 37.15 +02 16 56.4 r I20
2010-03-25 03:35:37 C 11 37 35.93 +02 16 01.1 r I20
2010-04-05 07:15:49 C 11 37 17.97 -01 27 53.2 r 703
2010-04-05 07:24:58 C 11 37 17.83 -01 27 58.8 r 703
2010-04-05 07:34:09 C 11 37 17.86 -01 28 05.1 r 703
2010-04-05 07:43:20 C 11 37 17.90 -01 28 08.4 r 703
2014-08-30 10:03:38 C 02 59 59.49 +17 09 45.1 o 695
2014-08-30 10:09:05 C 03 00 00.07 +17 09 48.9 o 695
2014-08-30 10:14:32 C 03 00 00.63 +17 09 52.6 o 695
2014-08-30 10:20:17 C 03 00 01.20 +17 09 56.3 o 695
2014-08-30 10:25:45 C 03 00 01.80 +17 10 00.2 o 695
2014-08-30 10:31:13 C 03 00 02.38 +17 10 03.9 o 695
2014-08-31 09:49:01 C 03 02 32.28 +17 25 38.1 o 695
2014-08-31 09:54:29 C 03 02 32.85 +17 25 41.8 o 695
2014-08-31 10:00:21 C 03 02 33.47 +17 25 45.8 o 695
2014-08-31 10:05:49 C 03 02 34.03 +17 25 49.5 o 695
2014-08-31 10:11:16 C 03 02 34.59 +17 25 53.0 o 695
2014-10-02 05:25:31 C 04 47 20.15 +27 08 45.2 t 950
2014-10-02 05:27:16 C 04 47 20.47 +27 08 46.6 t 950
2014-10-02 05:29:04 C 04 47 20.78 +27 08 48.0 t 950
2014-10-02 05:32:37 C 04 47 21.41 +27 08 51.1 t 950
2014-10-02 05:34:24 C 04 47 21.73 +27 08 52.6 t 950