2009 UN

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5881467893 ± 3.14e-05
Semi-major axis (a)2.8370682174 AU ± 1.63e-04
Inclination (i)2.36001302° ± 4.24e-05
Long. of Asc. Node (Ω)34.71583957° ± 1.23e-04
Arg. of Perihelion (ω)7.12252859° ± 1.88e-04
Mean Anomaly (M)126.21072564° ± 1.12e-01
Mean Motion (n)0.2062564831°/day ± 1.78e-05
Perihelion dist (q)1.16845565 AU ± 1.12e-04
Aphelion dist (Q)4.50568078 AU ± 2.74e-04
Orbital Period4.77864389 yr ± 4.13e-04
Physical Parameters
H (abs. magnitude)21.37
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.332″
Uncertainty3
Orbit TypeAmor
MOID0.175159 AU
Observations Used49
Oppositions1
Arc Total2009-2010
First Observation Used2009-10-16
Last Observation Used2010-01-07
Observations (49)
Date Type RA Dec Mag Band Observatory
2009-10-16 11:02:36 C 05 04 51.24 +22 47 25.8 r G96
2009-10-16 11:11:41 C 05 04 52.68 +22 47 31.2 r G96
2009-10-16 11:20:39 C 05 04 54.08 +22 47 36.7 r G96
2009-10-16 11:29:48 C 05 04 55.52 +22 47 42.1 r G96
2009-10-16 12:11:02 C 05 05 02.04 +22 48 07.3 r G96
2009-10-16 12:11:57 C 05 05 02.22 +22 48 08.1 r G96
2009-10-16 12:12:50 C 05 05 02.36 +22 48 08.7 r G96
2009-10-16 12:13:44 C 05 05 02.50 +22 48 09.1 r G96
2009-10-16 14:17:10 C 05 05 23.41 +22 49 31.6 o F65
2009-10-16 14:18:27 C 05 05 23.62 +22 49 32.5 o F65
2009-10-16 14:19:36 C 05 05 23.79 +22 49 33.1 o F65
2009-10-16 14:20:47 C 05 05 23.98 +22 49 34.0 o F65
2009-10-17 04:30:06 C 05 07 44.49 +22 57 57.6 r J95
2009-10-17 04:38:27 C 05 07 45.86 +22 58 03.4 r J95
2009-10-17 04:46:46 C 05 07 47.14 +22 58 07.2 r J95
2009-10-17 07:23:35 C 05 08 14.76 +22 59 48.3 o H01
2009-10-17 07:30:12 C 05 08 15.81 +22 59 52.5 o H01
2009-10-17 07:38:22 C 05 08 17.11 +22 59 57.7 o H01
2009-10-17 10:21:16 C 05 08 42.93 +23 01 40.5 c 926
2009-10-17 10:27:10 C 05 08 43.84 +23 01 43.7 c 926
2009-10-17 11:53:36 C 05 08 57.33 +23 02 34.2 r G96
2009-10-17 11:57:21 C 05 08 57.94 +23 02 37.2 r G96
2009-10-17 12:01:05 C 05 08 58.56 +23 02 39.0 r G96
2009-10-22 12:24:39 C 05 28 07.37 +24 10 24.1 o 291
2009-10-22 12:30:40 C 05 28 08.34 +24 10 26.6 o 291
2009-10-22 12:36:26 C 05 28 09.08 +24 10 30.4 o 291
2009-10-23 09:41:24 C 05 31 22.84 +24 21 24.8 c 926
2009-10-23 09:46:49 C 05 31 23.64 +24 21 28.0 c 926
2009-10-23 09:52:14 C 05 31 24.44 +24 21 30.8 c 926
2009-10-29 08:05:24 C 05 51 39.94 +25 28 00.5 o 291
2009-10-29 08:11:28 C 05 51 40.66 +25 28 03.1 o 291
2009-10-29 08:18:03 C 05 51 41.54 +25 28 05.6 o 291
2009-11-11 12:32:21 C 06 26 16.87 +27 19 52.6 o 291
2009-11-11 12:38:19 C 06 26 17.33 +27 19 54.0 o 291
2009-11-11 12:44:42 C 06 26 17.83 +27 19 55.8 o 291
2009-11-20 09:20:54 C 06 40 21.90 +28 16 14.1 o H21
2009-11-20 09:24:20 C 06 40 22.06 +28 16 14.8 o H21
2009-11-20 09:32:18 C 06 40 22.36 +28 16 16.4 o H21
2009-11-21 09:22:28 C 06 41 29.08 +28 21 54.6 o H21
2009-11-21 09:25:45 C 06 41 29.19 +28 21 55.2 o H21
2009-11-21 09:33:08 C 06 41 29.45 +28 21 56.4 o H21
2009-12-19 05:23:45 C 06 43 42.89 +29 59 47.6 o 691
2009-12-19 05:49:17 C 06 43 42.16 +29 59 49.5 o 691
2009-12-19 06:14:50 C 06 43 41.42 +29 59 51.3 o 691
2009-12-20 11:07:12 C 06 42 58.27 +30 00 52.7 o 291
2009-12-20 11:13:21 C 06 42 58.10 +30 00 52.7 o 291
2009-12-20 11:19:26 C 06 42 57.93 +30 00 52.8 o 291
2010-01-07 08:34:26 C 06 33 29.95 +29 44 57.4 F51
2010-01-07 08:48:23 C 06 33 29.67 +29 44 56.5 F51