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
2009-11-22 05:59:54 C 03 11 29.70 +28 13 57.1 19.0 c 704
2009-11-22 06:35:37 C 03 11 25.55 +28 15 24.3 19.2 c 704
2009-11-22 06:53:31 C 03 11 23.42 +28 16 06.5 19.1 c 704
2009-11-22 07:11:25 C 03 11 21.30 +28 16 49.8 19.4 c 704
2009-11-28 02:39:02 C 02 56 58.37 +33 19 52.9 r 448
2009-11-28 02:53:22 C 02 56 56.96 +33 20 20.7 r 448
2009-11-28 03:07:13 C 02 56 55.55 +33 20 47.6 r 448
2009-11-28 05:25:44 C 02 56 41.12 +33 25 14.5 o H21
2009-11-28 05:31:15 C 02 56 40.56 +33 25 24.9 o H21
2009-11-28 05:37:47 C 02 56 39.92 +33 25 37.2 o H21
2009-12-05 04:46:13 C 02 42 41.92 +38 04 10.5 o H21
2009-12-05 04:50:32 C 02 42 41.58 +38 04 16.6 o H21
2009-12-05 04:59:08 C 02 42 40.94 +38 04 28.5 o H21
2009-12-05 05:03:26 C 02 42 40.62 +38 04 34.6 o H21
2022-12-15 13:53:39 C 09 14 30.285 +59 24 15.07 V F52
2022-12-15 14:13:54 C 09 14 29.986 +59 24 37.56 V F52
2022-12-15 14:33:59 C 09 14 29.719 +59 25 00.13 V F52
2022-12-15 14:54:16 C 09 14 29.401 +59 25 22.23 V F52
2023-01-13 09:51:34 C 08 26 01.233 +68 08 04.33 V F52
2023-01-13 10:09:10 C 08 25 59.069 +68 08 09.52 V F52
2023-01-13 10:26:45 C 08 25 56.916 +68 08 14.63 V F52
2023-01-13 10:44:16 C 08 25 54.746 +68 08 19.84 V F52
2025-11-14 04:57:26 C 00 00 23.321 -28 24 50.83 V I52
2025-11-14 05:03:32 C 00 00 23.432 -28 24 33.23 V I52
2025-11-14 05:09:37 C 00 00 23.468 -28 24 15.12 V I52
2025-11-14 05:15:41 C 00 00 23.519 -28 23 56.62 V I52
2025-11-15 03:19:47 C 00 00 47.372 -27 18 52.31 V I52
2025-11-15 03:43:48 C 00 00 47.740 -27 17 41.14 V I52
2025-11-15 03:46:39 C 00 00 47.765 -27 17 33.22 V I52
2025-11-15 03:49:31 C 00 00 47.808 -27 17 24.22 V I52
2025-12-08 05:12:50 C 00 21 20.341 -01 48 03.00 X F52
2025-12-08 05:27:44 C 00 21 21.084 -01 47 27.37 X F52
2025-12-08 05:57:41 C 00 21 22.560 -01 46 14.12 X F52
2025-12-12 03:32:51 C 00 26 29.630 +01 53 48.16 V G96
2025-12-12 03:41:01 C 00 26 30.084 +01 54 08.82 V G96
2025-12-12 03:49:11 C 00 26 30.581 +01 54 27.94 V G96
2025-12-12 03:57:23 C 00 26 30.980 +01 54 46.40 V G96