375505 (2008 UN90)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1255612722 ± 1.42e-07
Semi-major axis (a)1.4044746835 AU ± 1.57e-09
Inclination (i)17.54502922° ± 1.58e-05
Long. of Asc. Node (Ω)33.49249037° ± 1.13e-05
Arg. of Perihelion (ω)313.21383525° ± 3.48e-05
Mean Anomaly (M)121.31072520° ± 3.10e-05
Mean Motion (n)0.5921631846°/day ± 9.93e-10
Perihelion dist (q)1.22812706 AU ± 2.00e-07
Aphelion dist (Q)1.58082231 AU ± 2.00e-07
Orbital Period1.66445046 yr ± 2.79e-09
Physical Parameters
H (abs. magnitude)20.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.651″
Uncertainty0
Orbit TypeAmor
MOID0.263862 AU
Observations Used419
Oppositions10
Arc Total1998-2023
First Observation Used1998-11-17
Last Observation Used2023-12-14
Observations (534)
Date Type RA Dec Mag Band Observatory
2023-09-12 12:37:40 C 02 56 54.162 -26 32 34.45 X F51
2023-09-12 12:57:44 C 02 56 53.450 -26 32 20.34 X F51
2023-09-12 13:15:18 C 02 56 52.826 -26 32 07.95 X F51
2023-09-15 09:09:47 C 02 54 37.397 -25 40 50.59 V 703
2023-09-15 09:17:10 C 02 54 37.134 -25 40 44.65 V 703
2023-09-15 09:31:57 C 02 54 36.587 -25 40 31.98 V 703
2023-09-20 08:34:57 C 02 48 47.549 -23 55 26.87 V 703
2023-09-20 08:41:26 C 02 48 47.171 -23 55 20.86 V 703
2023-09-20 08:47:54 C 02 48 46.753 -23 55 14.56 V 703
2023-09-20 08:54:23 C 02 48 46.310 -23 55 08.26 V 703
2023-09-23 00:09:52 C 02 44 42.022 -22 49 35.44 V M22
2023-09-23 00:12:28 C 02 44 41.782 -22 49 32.95 V M22
2023-09-23 00:16:25 C 02 44 41.458 -22 49 28.45 V M22
2023-09-23 00:24:17 C 02 44 40.836 -22 49 19.74 V M22
2023-09-24 09:09:37 C 02 42 18.464 -22 13 15.82 V 703
2023-09-24 09:17:25 C 02 42 17.867 -22 13 06.20 V 703
2023-09-24 09:25:12 C 02 42 17.172 -22 12 58.32 V 703
2023-09-24 09:33:00 C 02 42 16.564 -22 12 48.56 V 703
2023-10-03 10:07:05 C 02 22 16.957 -17 16 22.12 V 703
2023-10-03 10:14:45 C 02 22 16.061 -17 16 08.76 V 703
2023-10-03 10:22:24 C 02 22 15.229 -17 15 57.74 V 703
2023-10-03 10:30:04 C 02 22 14.304 -17 15 46.33 V 703
2023-10-05 07:59:14 C 02 17 12.458 -16 00 43.31 V 703
2023-10-05 08:06:56 C 02 17 11.548 -16 00 30.71 V 703
2023-10-05 08:14:38 C 02 17 10.626 -16 00 17.06 V 703
2023-10-05 08:22:19 C 02 17 09.589 -16 00 03.56 V 703
2023-10-07 11:36:03 C 02 11 10.999 -14 30 11.62 X F51
2023-10-07 11:53:16 C 02 11 08.790 -14 29 40.56 X F51
2023-10-07 12:11:16 C 02 11 06.483 -14 29 08.07 X F51
2023-10-07 12:28:25 C 02 11 04.280 -14 28 36.87 X F51
2023-10-08 03:42:11 C 02 09 16.046 -14 00 22.39 V W68
2023-10-08 03:44:47 C 02 09 15.732 -14 00 17.53 V W68
2023-10-08 03:49:22 C 02 09 15.127 -14 00 08.93 V W68
2023-10-08 03:57:13 C 02 09 14.129 -13 59 55.00 V W68
2023-10-11 03:34:40 C 02 00 22.958 -11 43 24.53 V W68
2023-10-11 03:37:16 C 02 00 22.644 -11 43 18.95 V W68
2023-10-11 03:41:17 C 02 00 22.087 -11 43 11.17 V W68
2023-10-11 03:48:34 C 02 00 21.122 -11 42 56.84 V W68
2023-10-11 08:10:55 C 01 59 47.216 -11 34 52.72 V 703
2023-10-11 08:18:43 C 01 59 46.136 -11 34 37.81 V 703
2023-10-11 08:26:31 C 01 59 45.078 -11 34 22.94 V 703
2023-10-11 08:34:19 C 01 59 44.020 -11 34 06.78 V 703
2023-10-12 08:25:24 C 01 56 44.014 -10 46 20.93 X F52
2023-10-12 08:42:17 C 01 56 41.735 -10 45 47.12 X F52
2023-10-12 08:44:07 C 01 56 41.486 -10 45 43.41 X F52
2023-10-12 08:59:05 C 01 56 39.464 -10 45 13.41 X F52
2023-10-12 09:00:55 C 01 56 39.216 -10 45 09.73 X F52
2023-10-12 09:15:54 C 01 56 37.194 -10 44 39.72 X F52
2023-10-12 09:17:45 C 01 56 36.937 -10 44 36.02 X F52
2023-10-13 07:41:21 C 01 53 44.308 -09 59 08.52 V 703