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
2013-11-07 06:51:52 C 00 11 04.96 +02 13 49.7 q 703
2013-11-07 07:00:33 C 00 11 04.61 +02 14 05.1 q 703
2016-03-01 10:02:20 C 12 43 56.71 +30 47 56.2 q G96
2016-03-01 10:11:08 C 12 43 56.00 +30 47 58.4 q G96
2016-03-01 10:19:55 C 12 43 55.30 +30 48 00.5 q G96
2016-03-01 10:28:41 C 12 43 54.63 +30 48 02.7 q G96
2018-10-02 10:50:42 C 01 58 15.65 -23 42 50.3 U T05
2018-10-02 11:03:14 C 01 58 13.96 -23 42 30.0 U T05
2018-10-02 11:07:11 C 01 58 13.53 -23 42 23.4 U T05
2018-10-02 11:21:02 C 01 58 11.69 -23 42 02.0 U T05
2018-10-06 07:23:38 C 01 46 44.39 -21 03 00.2 V 703
2018-10-06 07:31:17 C 01 46 43.40 -21 02 46.3 V 703
2018-10-06 07:38:56 C 01 46 42.33 -21 02 32.2 V 703
2018-10-07 02:14:40 S 01 43 40.308 -20 42 27.11 V C57
2018-10-07 02:14:40 s 1 +145229.84 9 +188964.38 0.005 C57
2018-10-07 06:44:40 S 01 42 57.871 -20 33 45.11 V C57
2018-10-07 06:44:40 s 1 +139239.98 3 +207086.55 0.242 C57
2018-10-07 13:14:40 S 01 41 58.493 -20 21 26.21 V C57
2018-10-07 13:14:40 s 1 +129345.22 5 +231354.10 0.875 C57
2018-10-07 19:14:40 S 01 41 03.662 -20 09 36.54 V C57
2018-10-07 19:14:40 s 1 +119138.10 6 +251812.94 0.59 C57
2018-10-08 00:14:40 S 01 40 18.722 -19 59 58.02 V C57
2018-10-08 00:14:40 s 1 +109988.75 9 +267485.42 3630.0 C57
2018-10-08 00:44:40 S 01 40 14.479 -19 58 51.78 V C57
2018-10-08 00:44:40 s 1 +109045.72 4 +268985.40 2410.0 C57
2018-10-08 01:14:40 S 01 40 09.173 -19 57 45.29 V C57
2018-10-08 01:14:40 s 1 +108097.93 2 +270473.29 6640.0 C57
2018-10-08 01:44:40 S 01 40 05.434 -19 56 47.11 V C57
2018-10-08 01:44:40 s 1 +107145.46 5 +271949.13 6850.0 C57
2018-10-08 02:14:40 S 01 40 00.972 -19 55 57.61 V C57
2018-10-08 02:14:40 s 1 +106188.40 5 +273412.96 3530.0 C57
2018-10-08 04:44:40 S 01 39 38.054 -19 50 53.81 V C57
2018-10-08 04:44:40 s 1 +101337.02 5 +280553.12 1620.0 C57
2018-10-08 07:44:40 S 01 39 11.194 -19 44 46.39 V C57
2018-10-08 07:44:40 s 1 +95380.049 0 +288732.16 4680.0 C57
2018-10-08 10:44:40 S 01 38 44.167 -19 38 35.63 V C57
2018-10-08 10:44:40 s 1 +89290.059 0 +296493.59 3680.0 C57
2018-10-08 11:14:40 S 01 38 39.089 -19 37 36.44 V C57
2018-10-08 11:14:40 s 1 +88263.149 0 +297747.06 7350.0 C57
2018-10-08 11:44:40 S 01 38 35.220 -19 36 35.50 V C57
2018-10-08 11:44:40 s 1 +87233.007 0 +298989.17 6060.0 C57
2018-10-08 12:14:40 S 01 38 30.672 -19 35 37.14 V C57
2018-10-08 12:14:40 s 1 +86199.694 0 +300219.93 210.0 C57
2018-10-08 15:14:40 S 01 38 03.953 -19 29 15.25 V C57
2018-10-08 15:14:40 s 1 +79936.642 0 +307368.14 820.0 C57
2018-10-08 15:44:40 S 01 37 59.208 -19 28 18.52 V C57
2018-10-08 15:44:40 s 1 +78882.818 0 +308520.40 3720.0 C57
2018-10-08 16:44:40 S 01 37 50.510 -19 26 11.40 V C57
2018-10-08 16:44:40 s 1 +76767.129 0 +310791.68 5190.0 C57
2018-10-08 20:14:40 S 01 37 18.622 -19 18 45.97 V C57