2009 UK20

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2071327014 ± 1.14e-04
Semi-major axis (a)1.0530785798 AU ± 1.39e-05
Inclination (i)2.84349960° ± 1.47e-03
Long. of Asc. Node (Ω)215.85469859° ± 1.08e-03
Arg. of Perihelion (ω)277.55943047° ± 1.83e-03
Mean Anomaly (M)231.69338035° ± 1.97e-01
Mean Motion (n)0.9120551659°/day ± 1.80e-05
Perihelion dist (q)0.83495157 AU ± 1.21e-04
Aphelion dist (Q)1.27120559 AU ± 1.22e-04
Orbital Period1.08066521 yr ± 2.14e-05
Physical Parameters
H (abs. magnitude)26.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.593″
Uncertainty3
Orbit TypeApollo
MOID0.006582 AU
Observations Used39
Oppositions1
Arc Total2009-2009
First Observation Used2009-10-25
Last Observation Used2009-11-09
Observations (39)
Date Type RA Dec Mag Band Observatory
2009-10-25 05:01:21 C 02 16 17.42 +17 45 25.6 o 691
2009-10-25 05:31:02 C 02 16 14.62 +17 44 34.5 o 691
2009-10-25 05:55:47 C 02 16 12.18 +17 43 50.3 o 691
2009-10-25 10:26:10 C 02 15 45.21 +17 35 22.8 o 291
2009-10-25 10:31:48 C 02 15 44.76 +17 35 09.0 o 291
2009-10-25 10:37:17 C 02 15 44.18 +17 34 59.7 o 291
2009-10-26 03:21:08 C 02 14 48.90 +17 02 17.9 o 291
2009-10-26 03:26:49 C 02 14 48.37 +17 02 07.3 o 291
2009-10-26 03:33:08 C 02 14 47.74 +17 01 53.6 o 291
2009-10-26 07:23:36 C 02 14 23.06 +16 54 13.8 o H01
2009-10-26 07:34:14 C 02 14 21.87 +16 53 51.5 o H01
2009-10-26 07:43:22 C 02 14 20.86 +16 53 32.5 o H01
2009-10-26 07:51:13 C 02 14 20.00 +16 53 16.3 o H01
2009-10-26 10:06:07 C 02 14 06.00 +16 48 31.7 o 291
2009-10-26 10:12:58 C 02 14 05.29 +16 48 16.4 o 291
2009-10-26 10:18:39 C 02 14 04.66 +16 48 02.4 o 291
2009-10-27 04:27:36 C 02 12 53.34 +16 08 07.7 o 291
2009-10-27 04:41:00 C 02 12 51.95 +16 07 39.4 o 291
2009-10-27 04:46:37 C 02 12 51.33 +16 07 26.9 o 291
2009-10-29 03:13:12 C 02 08 45.35 +14 06 07.4 o 291
2009-10-29 03:23:12 C 02 08 44.03 +14 05 39.3 o 291
2009-10-29 03:29:43 C 02 08 43.22 +14 05 21.2 o 291
2009-11-05 07:35:11 C 01 39 45.23 -01 00 29.9 r H36
2009-11-05 07:45:37 C 01 39 41.73 -01 02 05.5 r H36
2009-11-05 07:56:03 C 01 39 38.29 -01 03 38.7 r H36
2009-11-05 14:47:17 C 01 37 45.52 -02 00 58.8 v D90
2009-11-05 14:48:14 C 01 37 45.11 -02 01 08.0 v D90
2009-11-05 14:49:14 C 01 37 44.75 -02 01 16.8 v D90
2009-11-05 14:50:12 C 01 37 44.36 -02 01 26.8 v D90
2009-11-06 21:10:01 C 01 27 53.24 -07 34 34.5 r J95
2009-11-06 21:15:57 C 01 27 50.68 -07 35 45.5 r J95
2009-11-06 21:21:54 C 01 27 48.02 -07 36 58.5 r J95
2009-11-08 07:44:56 C 01 12 15.95 -15 31 33.3 c 926
2009-11-08 07:48:19 C 01 12 13.85 -15 32 25.5 c 926
2009-11-08 07:51:43 C 01 12 11.82 -15 33 18.8 c 926
2009-11-09 14:40:45 C 00 53 10.40 -24 26 09.7 v D90
2009-11-09 14:41:44 C 00 53 09.56 -24 26 29.2 v D90
2009-11-09 14:42:43 C 00 53 08.75 -24 26 47.0 v D90
2009-11-09 14:43:41 C 00 53 07.91 -24 27 05.9 v D90