2009 UK28

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4089886518 ± 1.18e-07
Semi-major axis (a)2.1785861724 AU ± 3.90e-09
Inclination (i)27.44578871° ± 1.17e-05
Long. of Asc. Node (Ω)52.59484400° ± 4.90e-06
Arg. of Perihelion (ω)330.45286982° ± 4.76e-05
Mean Anomaly (M)4.73196796° ± 2.10e-05
Mean Motion (n)0.3065138915°/day ± 8.23e-10
Perihelion dist (q)1.28756915 AU ± 2.57e-07
Aphelion dist (Q)3.06960319 AU ± 2.57e-07
Orbital Period3.21560070 yr ± 8.64e-09
Physical Parameters
H (abs. magnitude)19.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.247″
Uncertainty0
Orbit TypeAmor
MOID0.329770 AU
Observations Used118
Oppositions11
Arc Total2009-2025
First Observation Used2009-10-26
Last Observation Used2025-12-12
Observations (137)
Date Type RA Dec Mag Band Observatory
2009-10-26 03:30:49 C 04 18 14.29 -03 27 04.5 r J75
2009-10-26 03:39:10 C 04 18 13.70 -03 26 42.0 r J75
2009-10-26 03:47:51 C 04 18 13.02 -03 26 19.1 r J75
2009-10-26 03:56:12 C 04 18 12.37 -03 25 58.7 r J75
2009-10-26 04:13:12 C 04 18 11.06 -03 25 11.7 r J75
2009-10-26 21:02:41 C 04 17 00.15 -02 40 03.9 r 114
2009-10-26 21:05:05 C 04 16 59.95 -02 39 55.5 r 114
2009-10-26 21:07:43 C 04 16 59.71 -02 39 48.4 r 114
2009-10-26 21:10:18 C 04 16 59.53 -02 39 42.5 r 114
2009-10-26 21:12:55 C 04 16 59.21 -02 39 35.6 r 114
2009-10-26 21:33:40 C 04 16 57.65 -02 38 36.9 r 114
2009-10-26 21:44:55 C 04 16 56.76 -02 38 07.0 r 114
2009-10-26 22:29:56 C 04 16 53.91 -02 36 06.8 r B33
2009-10-26 22:36:14 C 04 16 53.49 -02 35 50.0 r B33
2009-10-26 22:42:33 C 04 16 52.97 -02 35 33.5 r B33
2009-10-26 22:55:50 C 04 16 51.76 -02 34 54.2 c 587
2009-10-26 22:59:57 C 04 16 51.41 -02 34 43.4 c 587
2009-10-26 23:05:23 C 04 16 50.99 -02 34 28.0 c 587
2009-10-26 23:26:04 C 04 16 49.87 -02 33 32.4 r J75
2009-10-26 23:32:31 C 04 16 49.38 -02 33 15.1 r J75
2009-10-26 23:44:30 C 04 16 48.44 -02 32 42.6 r J75
2009-10-26 23:50:55 C 04 16 47.92 -02 32 25.0 r J75
2009-10-27 00:21:57 C 04 16 45.49 -02 31 00.9 r J75
2009-10-27 00:32:30 C 04 16 44.68 -02 30 32.2 r J75
2009-10-27 00:41:51 C 04 16 43.94 -02 30 07.1 r J75
2009-10-27 00:51:14 C 04 16 43.21 -02 29 41.5 r J75
2009-10-27 01:56:37 C 04 16 37.80 -02 26 45.8 v 204
2009-10-27 02:06:05 C 04 16 37.06 -02 26 20.6 v 204
2009-10-27 02:16:43 C 04 16 36.23 -02 25 51.3 v 204
2009-10-27 03:46:31 C 04 16 29.36 -02 21 44.3 r J75
2009-10-27 04:12:16 C 04 16 27.32 -02 20 34.0 r J75
2009-10-27 04:41:25 C 04 16 25.03 -02 19 14.6 r J75
2009-10-28 00:59:02 C 04 14 54.45 -01 23 20.1 r J75
2009-10-28 01:08:19 C 04 14 53.70 -01 22 54.2 r J75
2009-10-28 01:17:34 C 04 14 52.93 -01 22 28.3 r J75
2009-10-29 04:55:42 C 04 12 42.43 -00 04 08.9 u I20
2009-10-29 04:58:22 C 04 12 42.21 -00 04 01.1 u I20
2009-10-29 05:09:49 C 04 12 41.23 -00 03 28.7 u I20
2009-11-01 05:53:50 C 04 06 27.74 +03 29 14.9 o H55
2009-11-01 05:57:01 C 04 06 27.44 +03 29 24.5 o H55
2009-11-01 06:00:27 C 04 06 27.08 +03 29 34.9 o H55
2009-11-01 07:50:11 C 04 06 17.01 +03 35 07.3 r 448
2009-11-01 07:55:01 C 04 06 16.71 +03 35 22.0 c 926
2009-11-01 07:57:14 C 04 06 16.45 +03 35 28.7 c 926
2009-11-01 07:59:28 C 04 06 16.20 +03 35 35.3 c 926
2009-11-01 08:00:44 C 04 06 15.99 +03 35 38.9 r 448
2009-11-01 08:11:41 C 04 06 14.92 +03 36 12.1 r 448
2009-11-02 06:00:15 C 04 04 14.77 +04 42 10.2 o H21
2009-11-02 06:05:01 C 04 04 14.29 +04 42 24.8 o H21
2009-11-02 06:10:54 C 04 04 13.71 +04 42 42.8 o H21