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
2018-10-08 20:14:40 s 1 +69283.471 0 +318395.12 1530.0 C57
2018-10-09 00:44:40 S 01 36 39.425 -19 09 18.94 V C57
2018-10-09 00:44:40 s 1 +59503.806 0 +327392.29 9530.0 C57
2018-10-09 01:14:40 S 01 36 36.202 -19 08 28.46 V C57
2018-10-09 01:14:40 s 1 +58407.595 0 +328338.67 60.0 C57
2018-10-09 01:44:40 S 01 36 30.962 -19 07 22.87 V C57
2018-10-09 01:44:40 s 1 +57309.637 0 +329274.49 5180.0 C57
2018-10-09 03:44:40 S 01 36 13.870 -19 03 09.54 V C57
2018-10-09 03:44:40 s 1 +52901.223 0 +332912.62 7250.0 C57
2018-10-09 04:14:40 S 01 36 10.282 -19 02 15.58 V C57
2018-10-09 04:14:40 s 1 +51795.193 0 +333796.00 9590.0 C57
2018-10-09 10:44:40 S 01 35 13.056 -18 48 16.09 V C57
2018-10-09 10:44:40 s 1 +37296.558 0 +344340.78 8980.0 C57
2018-10-09 11:14:40 S 01 35 09.022 -18 47 03.88 V C57
2018-10-09 11:14:40 s 1 +36173.420 0 +345080.48 3320.0 C57
2018-10-09 11:44:40 S 01 35 03.828 -18 46 09.73 V C57
2018-10-09 11:44:40 s 1 +35049.350 0 +345810.09 7550.0 C57
2018-10-09 12:44:40 S 01 34 55.766 -18 43 58.48 V C57
2018-10-09 12:44:40 s 1 +32798.563 0 +347239.12 6670.0 C57
2018-10-09 14:44:40 S 01 34 38.186 -18 39 38.20 V C57
2018-10-09 14:44:40 s 1 +28301.772 0 +349986.43 4480.0 C57
2018-10-09 15:14:40 S 01 34 33.634 -18 38 30.59 V C57
2018-10-09 15:14:40 s 1 +27172.258 0 +350646.10 5090.0 C57
2018-10-09 18:14:40 S 01 34 08.376 -18 32 03.23 V C57
2018-10-09 18:14:40 s 1 +20382.824 0 +354396.31 3780.0 C57
2018-10-10 00:44:40 S 01 33 13.577 -18 18 01.66 V C57
2018-10-10 01:44:40 S 01 33 04.322 -18 15 36.07 V C57
2018-10-10 02:14:40 S 01 33 00.410 -18 14 36.89 V C57
2018-10-10 04:14:40 S 01 32 43.910 -18 10 17.40 V C57
2018-10-10 06:14:40 S 01 32 26.434 -18 05 58.24 V C57
2018-10-10 07:12:35 C 01 34 22.11 -17 56 47.7 V 703
2018-10-10 07:20:15 C 01 34 21.03 -17 56 32.4 V 703
2018-10-10 07:27:55 C 01 34 20.00 -17 56 17.0 V 703
2018-10-10 07:35:36 C 01 34 18.95 -17 56 00.7 V 703
2018-10-10 10:14:40 S 01 31 53.486 -17 57 04.28 V C57
2018-10-10 10:14:40 s 1 -15931.891 0 +368521.62 4370.0 C57
2018-10-10 10:22:18 C 01 33 57.48 -17 50 15.0 U T05
2018-10-10 10:25:35 C 01 33 57.00 -17 50 07.7 U T05
2018-10-10 10:39:21 C 01 33 55.11 -17 49 40.5 U T05
2018-10-10 10:40:40 C 01 33 54.90 -17 49 37.8 U T05
2018-10-10 12:44:40 S 01 31 32.578 -17 51 30.02 V C57
2018-10-10 12:44:40 s 1 -21582.376 0 +369855.75 6380.0 C57
2018-10-10 15:14:40 S 01 31 12.722 -17 46 14.48 V C57
2018-10-10 15:14:40 s 1 -27216.687 0 +370958.75 3460.0 C57
2018-10-10 15:44:40 S 01 31 08.405 -17 45 03.38 V C57
2018-10-10 15:44:40 s 1 -28341.316 0 +371151.75 9370.0 C57
2018-10-10 18:14:40 S 01 30 48.007 -17 39 32.18 V C57
2018-10-10 18:14:40 s 1 -33951.856 0 +371979.35 680.0 C57
2018-10-10 18:44:40 S 01 30 43.205 -17 38 25.15 V C57
2018-10-10 18:44:40 s 1 -35071.261 0 +372117.47 6450.0 C57