2009 UM28

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4312298781 ± 9.35e-08
Semi-major axis (a)1.8875578427 AU ± 1.63e-09
Inclination (i)8.77169751° ± 1.64e-05
Long. of Asc. Node (Ω)32.64426789° ± 9.28e-06
Arg. of Perihelion (ω)9.95001090° ± 8.63e-05
Mean Anomaly (M)64.96503506° ± 3.04e-05
Mean Motion (n)0.3800684962°/day ± 4.91e-10
Perihelion dist (q)1.07358650 AU ± 1.76e-07
Aphelion dist (Q)2.70152918 AU ± 1.76e-07
Orbital Period2.59328593 yr ± 3.35e-09
Physical Parameters
H (abs. magnitude)23.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.303″
Uncertainty0
Orbit TypeAmor
MOID0.081590 AU
Observations Used54
Oppositions8
Arc Total2009-2022
First Observation Used2009-10-26
Last Observation Used2022-10-01
Observations (56)
Date Type RA Dec Mag Band Observatory
2009-10-26 05:08:31 C 00 32 28.24 -00 36 37.5 r G96
2009-10-26 05:19:13 C 00 32 28.68 -00 35 41.7 r G96
2009-10-26 05:29:58 C 00 32 29.11 -00 34 45.6 r G96
2009-10-26 06:00:15 C 00 32 30.26 -00 32 07.6 r G96
2009-10-26 06:01:09 C 00 32 30.30 -00 32 03.1 r G96
2009-10-26 06:02:02 C 00 32 30.37 -00 31 58.3 r G96
2009-10-26 06:02:57 C 00 32 30.40 -00 31 53.4 r G96
2009-10-26 06:41:04 C 00 32 31.60 -00 28 36.7 o H01
2009-10-26 06:50:03 C 00 32 31.95 -00 27 49.5 o H01
2009-10-26 07:01:50 C 00 32 32.44 -00 26 48.3 o H01
2009-10-26 07:07:51 C 00 32 32.74 -00 26 16.2 o H01
2009-10-26 07:12:54 C 00 32 32.93 -00 25 50.1 o H01
2009-10-26 07:14:28 C 00 32 33.37 -00 25 37.9 c 854
2009-10-26 07:23:46 C 00 32 33.64 -00 24 50.5 r G96
2009-10-26 07:24:41 C 00 32 33.68 -00 24 46.1 r G96
2009-10-26 07:25:34 C 00 32 33.72 -00 24 41.2 r G96
2009-10-26 07:26:35 C 00 32 33.79 -00 24 36.2 r G96
2009-10-26 07:38:27 C 00 32 34.24 -00 23 33.4 c 854
2009-10-26 07:50:26 C 00 32 34.80 -00 22 30.9 c 854
2009-10-26 11:11:21 C 00 32 52.44 -00 03 15.3 v D90
2009-10-26 11:29:55 C 00 32 53.22 -00 01 37.5 v D90
2009-10-26 11:48:29 C 00 32 53.98 -00 00 00.2 v D90
2009-10-26 12:07:09 C 00 32 54.76 +00 01 38.2 v D90
2009-10-26 21:04:59 C 00 33 28.48 +00 47 09.4 r 473
2009-10-26 21:06:59 C 00 33 28.55 +00 47 20.1 r 473
2009-10-26 21:08:54 C 00 33 28.84 +00 47 32.8 w B33
2009-10-26 21:14:35 C 00 33 29.09 +00 48 03.1 w B33
2009-10-26 21:17:25 C 00 33 29.21 +00 48 18.3 w B33
2009-10-26 21:20:59 C 00 33 29.18 +00 48 34.1 r 473
2009-10-26 21:28:54 C 00 33 29.85 +00 49 16.2 c 587
2009-10-26 22:30:13 C 00 33 32.60 +00 54 43.2 c 587
2009-10-26 23:58:57 C 00 33 36.97 +01 02 37.0 v 204
2009-10-27 00:17:09 C 00 33 37.89 +01 04 14.0 v 204
2009-11-05 07:05:12 C 00 53 09.15 +22 25 35.1 r H36
2009-11-05 07:10:01 C 00 53 09.64 +22 26 03.0 r H36
2009-11-05 07:14:51 C 00 53 10.18 +22 26 30.2 r H36
2009-11-06 09:00:51 C 00 56 05.71 +24 53 47.9 c 926
2009-11-06 09:04:46 C 00 56 06.17 +24 54 09.5 c 926
2009-11-06 09:08:40 C 00 56 06.49 +24 54 30.9 c 926
2022-09-28 09:05:08 C 03 32 28.385 -03 13 15.56 V G96
2022-09-28 09:12:38 C 03 32 29.764 -03 12 58.82 V G96
2022-09-28 09:20:08 C 03 32 31.103 -03 12 42.26 V G96
2022-09-28 09:27:37 C 03 32 32.456 -03 12 25.24 V G96
2022-09-29 08:37:53 C 03 37 01.74 -02 19 08.0 u H21
2022-09-29 08:46:44 C 03 37 03.44 -02 18 46.2 u H21
2022-09-29 08:59:37 C 03 37 05.91 -02 18 15.9 u H21
2022-09-30 08:07:17 C 03 41 40.38 -01 22 51.0 u H21
2022-09-30 08:13:32 C 03 41 41.57 -01 22 35.6 u H21
2022-09-30 08:20:38 C 03 41 42.92 -01 22 17.4 u H21
2022-10-01 07:33:06 C 03 46 23.17 -00 24 32.2 u H21