2001 UG18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5400701438 ± 2.88e-08
Semi-major axis (a)2.4116607874 AU ± 3.92e-09
Inclination (i)8.63263626° ± 6.41e-06
Long. of Asc. Node (Ω)235.38460888° ± 2.01e-05
Arg. of Perihelion (ω)124.98676214° ± 3.40e-05
Mean Anomaly (M)161.11415435° ± 7.72e-06
Mean Motion (n)0.2631709470°/day ± 6.41e-10
Perihelion dist (q)1.10919480 AU ± 6.95e-08
Aphelion dist (Q)3.71412678 AU ± 6.97e-08
Orbital Period3.74519412 yr ± 9.12e-09
Physical Parameters
H (abs. magnitude)20.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.453″
Uncertainty0
Orbit TypeAmor
MOID0.158989 AU
Observations Used158
Oppositions11
Arc Total2001-2016
First Observation Used2001-10-27
Last Observation Used2016-12-06
Observations (162)
Date Type RA Dec Mag Band Observatory
2016-11-22 21:44:29 C 03 40 58.76 +17 02 32.1 q 246
2016-11-22 21:44:52 C 03 40 58.80 +17 02 31.0 q 246
2016-11-22 21:45:10 C 03 40 58.81 +17 02 31.6 q 246
2016-11-22 21:45:24 C 03 40 58.77 +17 02 30.9 q 246
2016-11-22 21:45:43 C 03 40 58.80 +17 02 30.9 q 246
2016-11-22 21:46:04 C 03 40 58.84 +17 02 30.5 q 246
2016-11-22 21:46:19 C 03 40 58.77 +17 02 30.2 q 246
2016-12-06 04:17:05 C 03 42 27.90 +13 17 33.6 R G45
2016-12-06 04:24:20 C 03 42 27.95 +13 17 30.0 R G45
2016-12-06 04:31:57 C 03 42 28.05 +13 17 27.1 R G45
2016-12-06 04:46:46 C 03 42 28.01 +13 17 20.3 R G45
2016-12-06 04:54:29 C 03 42 28.06 +13 17 16.1 R G45