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
2018-10-10 22:44:40 S 01 30 11.136 -17 29 25.37 V C57
2018-10-10 22:44:40 s 1 -43989.762 0 +372895.35 6470.0 C57
2018-10-11 00:14:40 S 01 29 58.934 -17 25 52.93 V C57
2018-10-11 00:14:40 s 1 -47315.685 0 +373037.78 2650.0 C57
2018-10-11 01:44:40 S 01 29 45.934 -17 22 24.49 V C57
2018-10-11 01:44:40 s 1 -50630.453 0 +373099.18 4840.0 C57
2018-10-11 10:44:40 S 01 28 34.087 -17 02 25.12 V C57
2018-10-11 10:44:40 s 1 -70247.173 0 +371777.90 1290.0 C57
2018-10-11 12:14:40 S 01 28 22.843 -16 59 10.82 V C57
2018-10-11 12:14:40 s 1 -73465.077 0 +371277.85 3630.0 C57
2018-10-11 13:14:40 S 01 28 14.808 -16 56 52.51 V C57
2018-10-11 13:14:40 s 1 -75601.218 0 +370900.31 3560.0 C57
2018-10-11 14:54:59 C 01 30 15.86 -16 51 06.9 q D29
2018-10-11 15:15:21 C 01 30 13.05 -16 50 24.4 q D29
2018-10-11 15:35:43 C 01 30 10.27 -16 49 41.6 q D29
2018-10-11 15:44:40 S 01 27 54.842 -16 51 04.21 V C57
2018-10-11 15:44:40 s 1 -80908.171 0 +369802.12 6560.0 C57
2018-10-11 16:14:40 S 01 27 51.151 -16 49 59.23 V C57
2018-10-11 16:14:40 s 1 -81963.638 0 +369556.06 930.0 C57
2018-10-11 17:14:40 S 01 27 43.430 -16 47 40.60 V C57
2018-10-11 17:14:40 s 1 -84068.448 0 +369037.57 6650.0 C57
2018-10-11 17:44:40 S 01 27 39.583 -16 46 36.37 V C57
2018-10-11 17:44:40 s 1 -85117.742 0 +368765.14 8310.0 C57
2018-10-11 19:14:40 S 01 27 27.494 -16 43 11.14 V C57
2018-10-11 19:14:40 s 1 -88252.876 0 +367895.18 310.0 C57
2018-10-11 21:14:40 S 01 27 12.082 -16 38 37.93 V C57
2018-10-11 21:14:40 s 1 -92402.374 0 +366612.45 8250.0 C57
2018-10-11 21:44:40 S 01 27 07.810 -16 37 28.67 V C57
2018-10-11 21:44:40 s 1 -93434.101 0 +366269.87 7090.0 C57
2018-10-11 22:14:40 S 01 27 03.847 -16 36 22.75 V C57
2018-10-11 22:14:40 s 1 -94463.519 0 +365918.53 5300.0 C57
2018-10-11 22:44:40 S 01 27 00.466 -16 35 15.94 V C57
2018-10-11 22:44:40 s 1 -95490.601 0 +365558.44 2720.0 C57
2018-10-11 23:44:40 S 01 26 52.282 -16 32 43.98 V C57
2018-10-11 23:44:40 s 1 -97537.657 0 +364812.01 4620.0 C57
2018-10-12 03:44:40 S 01 26 20.854 -16 23 44.09 V C57
2018-10-12 03:44:40 s 1 -105627.32 3 +361476.73 40.0 C57
2018-10-12 04:44:40 S 01 26 13.166 -16 21 21.92 V C57
2018-10-12 04:44:40 s 1 -107624.05 8 +360555.60 4620.0 C57
2018-10-12 05:14:40 S 01 26 09.535 -16 20 13.81 V C57
2018-10-12 05:14:40 s 1 -108618.42 8 +360081.95 7790.0 C57
2018-10-12 06:14:40 S 01 26 01.932 -16 18 00.94 V C57
2018-10-12 06:14:40 s 1 -110599.04 1 +359108.47 5070.0 C57
2018-10-12 07:14:40 S 01 25 54.420 -16 15 47.77 V C57
2018-10-12 07:14:40 s 1 -112568.63 9 +358100.11 9250.0 C57
2018-10-12 07:44:40 S 01 25 50.328 -16 14 45.82 V C57
2018-10-12 07:44:40 s 1 -113549.24 0 +357582.85 6020.0 C57
2018-10-12 10:14:40 S 01 25 32.050 -16 09 00.32 V C57
2018-10-12 10:14:40 s 1 -118409.17 3 +354865.75 290.0 C57
2018-10-12 11:44:40 S 01 25 20.928 -16 05 32.53 V C57