2009 UL20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5523873000
Semi-major axis (a)2.4648346000 AU
Inclination (i)2.04741000°
Long. of Asc. Node (Ω)194.63296000°
Arg. of Perihelion (ω)170.52115000°
Mean Anomaly (M)61.35789000°
Mean Motion (n)0.2546961600°/day
Perihelion dist (q)1.10329130 AU
Aphelion dist (Q)3.82637790 AU
Orbital Period3.86973900 yr
Physical Parameters
H (abs. magnitude)23.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.360″
Uncertainty6
Orbit TypeAmor
MOID0.099483 AU
Observations Used32
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-11-18
Observations (32)
Date Type RA Dec Mag Band Observatory
2009-10-25 05:38:09 C 02 08 33.25 +08 23 12.6 r G96
2009-10-25 05:47:59 C 02 08 34.47 +08 23 16.2 r G96
2009-10-25 05:57:42 C 02 08 35.55 +08 23 19.0 r G96
2009-10-25 06:07:25 C 02 08 36.81 +08 23 22.1 r G96
2009-10-25 08:48:21 C 02 08 56.11 +08 24 10.7 r G96
2009-10-25 08:49:24 C 02 08 56.22 +08 24 11.2 r G96
2009-10-25 08:50:29 C 02 08 56.36 +08 24 11.4 r G96
2009-10-25 08:51:33 C 02 08 56.43 +08 24 11.8 r G96
2009-10-25 09:16:38 C 02 08 59.53 +08 24 19.2 r G96
2009-10-25 09:17:37 C 02 08 59.67 +08 24 19.6 r G96
2009-10-25 09:18:38 C 02 08 59.78 +08 24 19.8 r G96
2009-10-25 09:19:39 C 02 08 59.89 +08 24 19.8 r G96
2009-10-25 23:18:34 C 02 10 51.53 +08 28 21.0 c 587
2009-10-26 04:06:06 C 02 11 30.90 +08 29 54.9 o 291
2009-10-26 04:11:40 C 02 11 31.61 +08 29 57.4 o 291
2009-10-26 04:17:16 C 02 11 32.22 +08 29 58.3 o 291
2009-10-26 04:41:27 C 02 11 34.89 +08 30 04.5 o H01
2009-10-26 04:46:53 C 02 11 35.53 +08 30 06.0 o H01
2009-10-26 04:52:33 C 02 11 36.19 +08 30 07.8 o H01
2009-10-26 04:59:41 C 02 11 37.01 +08 30 10.1 o H01
2009-10-26 05:06:33 C 02 11 37.85 +08 30 12.3 o H01
2009-10-27 05:03:18 C 02 14 37.87 +08 37 08.3 o 291
2009-10-27 05:08:42 C 02 14 38.46 +08 37 09.7 o 291
2009-10-27 05:14:23 C 02 14 39.09 +08 37 11.4 o 291
2009-11-08 09:04:20 C 02 41 59.14 +09 49 12.2 o 291
2009-11-08 09:19:50 C 02 42 00.12 +09 49 15.6 o 291
2009-11-08 09:30:56 C 02 42 00.72 +09 49 17.4 o 291
2009-11-09 09:14:05 C 02 43 39.42 +09 54 36.7 o 291
2009-11-09 09:20:13 C 02 43 39.82 +09 54 38.1 o 291
2009-11-18 04:31:49 C 02 55 54.43 +10 41 48.0 o 291
2009-11-18 04:37:31 C 02 55 54.67 +10 41 49.6 o 291
2009-11-18 04:43:14 C 02 55 54.94 +10 41 50.7 o 291