523826 (1990 UP)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1707643527 ± 2.63e-08
Semi-major axis (a)1.3298708529 AU ± 7.29e-10
Inclination (i)28.21718953° ± 7.60e-06
Long. of Asc. Node (Ω)33.18039016° ± 2.47e-06
Arg. of Perihelion (ω)294.21468919° ± 1.36e-05
Mean Anomaly (M)2.32491061° ± 1.34e-05
Mean Motion (n)0.6426848683°/day ± 5.29e-10
Perihelion dist (q)1.10277632 AU ± 3.50e-08
Aphelion dist (Q)1.55696539 AU ± 3.50e-08
Orbital Period1.53360742 yr ± 1.26e-09
Physical Parameters
H (abs. magnitude)20.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.215″
Uncertainty0
Orbit TypeAmor
MOID0.199018 AU
Observations Used169
Oppositions12
Arc Total1990-2025
First Observation Used1990-10-24
Last Observation Used2025-03-31
Observations (186)
Date Type RA Dec Mag Band Observatory
1990-10-24 10:40:35 C 02 33 49.89 +12 29 18.1 a 691
1990-10-24 11:10:14 C 02 33 42.18 +12 31 22.8 a 691
1990-10-24 11:39:57 C 02 33 34.45 +12 33 29.3 a 691
1990-10-25 05:12:55 A 02 29 10.05 +13 48 03.1 D 691
1990-10-25 05:37:01 A 02 29 03.69 +13 49 44.3 D 691
1990-10-25 06:03:49 A 02 28 56.64 +13 51 37.8 D 691
1990-10-25 11:53:48 C 02 27 24.28 +14 16 05.4 a 691
1990-10-25 12:00:38 C 02 27 22.48 +14 16 33.8 a 691
1990-10-25 12:16:26 C 02 27 18.48 +14 17 37.8 a 691
1990-10-26 07:29:53 A 02 22 27.24 +15 37 19.9 D 691
1990-10-26 07:36:45 A 02 22 25.41 +15 37 48.0 D 691
1990-10-26 07:53:02 A 02 22 21.11 +15 38 54.7 D 691
1990-10-28 10:12:00 A 02 09 36.38 +18 58 12.3 D 691
1990-10-28 10:20:11 A 02 09 34.31 +18 58 43.8 D 691
1990-10-28 10:37:24 A 02 09 29.86 +18 59 48.8 D 691
2013-10-09 10:17:37 C 03 43 30.00 -16 00 24.9 q 703
2013-10-09 10:26:29 C 03 43 28.24 -15 59 55.1 q 703
2013-10-09 10:35:22 C 03 43 26.45 -15 59 26.0 q 703
2013-10-09 10:44:13 C 03 43 24.58 -15 58 55.8 q 703
2013-10-09 11:55:30 C 03 43 10.11 -15 54 57.5 q 703
2013-10-09 11:56:48 C 03 43 09.85 -15 54 54.1 q 703
2013-10-09 11:58:05 C 03 43 09.57 -15 54 48.0 q 703
2013-10-09 11:59:22 C 03 43 09.34 -15 54 44.0 q 703
2013-10-09 13:56:17 C 03 42 49.06 -15 47 31.5 q E23
2013-10-09 14:02:57 C 03 42 47.73 -15 47 09.5 q E23
2013-10-09 14:09:37 C 03 42 46.40 -15 46 46.6 q E23
2013-10-10 00:59:59 C 03 40 37.69 -15 10 48.7 q J95
2013-10-10 01:08:54 C 03 40 35.93 -15 10 17.7 q J95
2013-10-10 01:17:52 C 03 40 34.02 -15 09 47.4 q J95
2013-10-10 07:13:16 C 03 39 22.54 -14 48 36.1 q W86
2013-10-10 07:17:56 C 03 39 21.56 -14 48 19.9 q W86
2013-10-10 07:22:37 C 03 39 20.57 -14 48 03.6 q W86
2013-10-10 07:27:17 C 03 39 19.59 -14 47 47.4 q W86
2013-10-10 07:31:57 C 03 39 18.61 -14 47 31.2 q W86
2013-10-10 07:37:25 C 03 39 17.46 -14 47 12.2 q W86
2013-10-17 23:20:13 C 02 58 00.89 -02 33 49.5 t 204
2013-10-17 23:31:05 C 02 57 58.15 -02 33 01.6 t 204
2013-10-17 23:41:28 C 02 57 55.51 -02 32 15.7 t 204
2013-10-24 01:28:35 C 02 21 03.95 +08 22 26.3 r Y00
2013-10-24 01:29:36 C 02 21 03.64 +08 22 30.7 r Y00
2013-10-24 01:30:38 C 02 21 03.37 +08 22 35.9 r Y00
2013-10-24 05:02:43 C 02 20 08.77 +08 37 30.8 q H45
2013-10-24 05:04:19 C 02 20 08.33 +08 37 37.6 q H45
2013-10-24 05:05:36 C 02 20 08.00 +08 37 43.3 q H45
2013-10-24 05:07:16 C 02 20 07.55 +08 37 50.4 q H45
2013-10-24 05:08:56 C 02 20 07.11 +08 37 57.9 q H45
2013-10-24 05:10:25 C 02 20 06.73 +08 38 04.1 q H45
2013-10-24 05:12:07 C 02 20 06.27 +08 38 11.7 q H45
2013-10-24 05:13:22 C 02 20 05.92 +08 38 17.5 q H45
2013-10-24 07:20:13 C 02 19 32.92 +08 47 36.7 q G96