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
2008-11-02 04:08:40 C 23 57 31.49 -05 33 47.1 r 448
2008-11-02 04:26:10 C 23 57 30.85 -05 33 09.4 r 448
2008-11-02 04:43:57 C 23 57 30.22 -05 32 30.5 r 448
2008-11-04 01:02:17 C 23 56 19.20 -03 58 24.2 o H55
2008-11-04 01:09:21 C 23 56 19.00 -03 58 09.8 o H55
2008-11-04 01:15:47 C 23 56 18.84 -03 57 56.1 o H55
2008-11-06 03:04:57 C 23 55 17.48 -02 15 42.5 o H55
2008-11-06 03:13:41 C 23 55 17.26 -02 15 24.8 o H55
2008-11-06 03:22:30 C 23 55 17.09 -02 15 07.3 o H55
2008-11-16 01:21:44 C 23 54 47.64 +04 59 59.7 r 448
2008-11-16 01:50:13 C 23 54 47.83 +05 00 46.8 r 448
2008-11-16 02:18:39 C 23 54 48.09 +05 01 33.6 r 448
2008-12-01 02:44:00 C 00 04 56.48 +13 34 28.7 o 291
2008-12-01 02:49:36 C 00 04 56.69 +13 34 35.4 o 291
2008-12-01 02:55:11 C 00 04 56.91 +13 34 42.8 o 291
2009-01-02 03:43:08 C 00 55 30.72 +25 56 54.4 o 291
2009-01-02 03:49:28 C 00 55 31.33 +25 57 00.6 o 291
2009-01-02 03:56:08 C 00 55 31.78 +25 57 04.8 o 291
2011-01-30 09:24:31 C 13 00 22.58 +28 13 57.4 o 291
2011-01-30 09:35:53 C 13 00 22.63 +28 14 01.6 o 291
2011-01-30 09:47:13 C 13 00 22.72 +28 14 05.4 o 291
2011-03-02 09:24:56 C 12 34 18.16 +32 42 04.7 c 711
2011-03-02 09:37:35 C 12 34 17.15 +32 42 07.5 c 711
2011-03-02 09:50:17 C 12 34 16.05 +32 42 10.5 c 711
2013-08-20 09:56:25 C 02 33 29.42 -41 03 22.9 u 807
2013-08-20 10:01:49 C 02 33 29.49 -41 03 22.3 u 807
2013-08-20 10:07:13 C 02 33 29.59 -41 03 21.3 u 807
2013-10-09 06:40:23 C 01 09 42.72 -23 43 30.2 q 448
2013-10-09 06:48:35 C 01 09 41.62 -23 43 12.6 q 448
2013-10-09 07:01:24 C 01 09 39.89 -23 42 45.5 q 448
2013-10-10 06:46:37 C 01 06 36.36 -22 51 17.4 r Y00
2013-10-10 06:51:46 C 01 06 35.50 -22 51 05.6 r Y00
2013-10-10 06:56:45 C 01 06 34.91 -22 50 54.3 r Y00
2013-10-12 06:59:19 C 01 00 37.02 -21 05 10.5 q 703
2013-10-12 07:07:07 C 01 00 36.01 -21 04 53.2 q 703
2013-10-12 07:14:56 C 01 00 34.92 -21 04 35.1 q 703
2013-10-12 07:22:49 C 01 00 33.94 -21 04 16.6 q 703
2013-10-24 04:27:02 C 00 30 33.77 -09 53 20.5 o 926
2013-10-24 04:50:06 C 00 30 31.68 -09 52 25.9 o 926
2013-10-24 05:10:23 C 00 30 29.84 -09 51 39.4 o 926
2013-10-25 04:37:55 C 00 28 33.55 -08 56 44.4 q 703
2013-10-25 04:48:53 C 00 28 32.54 -08 56 18.9 q 703
2013-10-25 04:59:51 C 00 28 31.57 -08 55 54.3 q 703
2013-10-25 05:10:48 C 00 28 30.67 -08 55 27.2 q 703
2013-10-31 04:29:57 C 00 18 35.78 -03 32 29.9 q 703
2013-10-31 04:44:36 C 00 18 34.88 -03 31 57.7 q 703
2013-10-31 04:59:18 C 00 18 33.94 -03 31 25.9 q 703
2013-10-31 05:14:00 C 00 18 32.98 -03 30 53.7 q 703
2013-11-07 06:34:28 C 00 11 05.60 +02 13 16.1 q 703
2013-11-07 06:43:10 C 00 11 05.12 +02 13 32.2 q 703