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
2018-10-13 21:14:40 s 1 -176889.08 9 +293824.67 8670.0 C57
2018-10-13 23:14:40 S 01 21 02.537 -14 43 32.74 V C57
2018-10-13 23:14:40 s 1 -179556.00 8 +289024.68 3590.0 C57
2018-10-13 23:44:40 S 01 20 58.426 -14 42 12.10 V C57
2018-10-13 23:44:40 s 1 -180208.79 1 +287802.16 1570.0 C57
2018-10-14 00:14:40 S 01 20 55.234 -14 40 59.48 V C57
2018-10-14 00:14:40 s 1 -180855.90 1 +286570.61 9710.0 C57
2018-10-14 00:44:40 S 01 20 52.135 -14 39 49.50 V C57
2018-10-14 00:44:40 s 1 -181497.28 7 +285330.03 7750.0 C57
2018-10-14 01:14:40 S 01 20 48.338 -14 38 46.79 V C57
2018-10-14 01:14:40 s 1 -182132.90 0 +284080.41 5410.0 C57
2018-10-14 02:44:40 S 01 20 37.733 -14 35 11.65 V C57
2018-10-14 02:44:40 s 1 -184004.60 2 +280277.23 3340.0 C57
2018-10-14 04:14:40 S 01 20 27.898 -14 31 56.86 V C57
2018-10-14 04:14:40 s 1 -185822.52 2 +276392.42 7710.0 C57
2018-10-14 04:44:40 S 01 20 24.742 -14 30 50.15 V C57
2018-10-14 04:44:40 s 1 -186416.29 9 +275079.30 4800.0 C57
2018-10-14 05:44:40 S 01 20 17.870 -14 28 22.94 V C57
2018-10-14 05:44:40 s 1 -187585.23 9 +272425.75 640.0 C57
2018-10-14 09:14:40 S 01 19 53.467 -14 20 16.87 V C57
2018-10-14 09:14:40 s 1 -191475.23 7 +262850.65 1250.0 C57
2018-10-14 11:21:46 C 01 21 27.65 -14 23 42.3 U T05
2018-10-14 11:36:30 C 01 21 25.70 -14 23 09.9 U T05
2018-10-14 11:44:40 S 01 19 37.510 -14 14 29.08 V C57
2018-10-14 11:44:40 s 1 -194053.99 7 +255736.18 1130.0 C57
2018-10-14 11:50:43 C 01 21 23.76 -14 22 38.4 U T05
2018-10-14 12:05:31 C 01 21 21.73 -14 22 05.7 U T05
2018-10-14 12:14:40 S 01 19 33.562 -14 13 20.89 V C57
2018-10-14 12:14:40 s 1 -194548.98 3 +254285.67 4830.0 C57
2018-10-14 14:14:40 S 01 19 20.052 -14 08 40.02 V C57
2018-10-14 14:14:40 s 1 -196457.58 9 +248391.29 310.0 C57
2018-10-14 14:44:40 S 01 19 17.297 -14 07 33.42 V C57
2018-10-14 14:44:40 s 1 -196916.57 8 +246894.57 2520.0 C57
2018-10-14 15:14:40 S 01 19 14.155 -14 06 30.56 V C57
2018-10-14 15:14:40 s 1 -197368.16 9 +245388.59 5330.0 C57
2018-10-14 16:14:40 S 01 19 07.080 -14 04 07.36 V C57
2018-10-14 16:14:40 s 1 -198248.88 0 +242348.79 1190.0 C57
2018-10-15 11:10:13 C 01 18 27.63 -13 31 00.7 U T05
2018-10-15 11:24:39 C 01 18 25.72 -13 30 28.0 U T05
2018-10-15 11:39:16 C 01 18 23.74 -13 29 55.5 U T05
2018-10-15 11:53:48 C 01 18 21.78 -13 29 22.7 U T05
2018-10-18 10:39:52 C 01 09 42.30 -10 49 41.3 U T05
2018-10-18 10:54:44 C 01 09 40.43 -10 49 06.9 U T05
2018-10-18 11:08:45 C 01 09 38.64 -10 48 34.9 U T05
2018-10-18 11:23:26 C 01 09 36.79 -10 48 01.1 U T05
2018-10-27 06:54:47 C 00 47 07.06 -02 48 36.9 V 703
2018-10-27 07:02:11 C 00 47 06.31 -02 48 20.6 V 703
2018-10-27 07:09:35 C 00 47 05.56 -02 48 04.1 V 703
2018-10-27 07:16:59 C 00 47 04.89 -02 47 47.8 V 703
2018-10-28 13:42:40 C 00 44 22.83 -01 41 21.1 q D29