503892 (2001 UF18)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6097312253 ± 1.78e-07
Semi-major axis (a)1.1411379828 AU ± 2.17e-09
Inclination (i)31.25864750° ± 2.12e-05
Long. of Asc. Node (Ω)45.95933208° ± 7.60e-06
Arg. of Perihelion (ω)202.60929277° ± 1.31e-05
Mean Anomaly (M)340.13822107° ± 3.36e-05
Mean Motion (n)0.8085465615°/day ± 2.30e-09
Perihelion dist (q)0.44535052 AU ± 2.03e-07
Aphelion dist (Q)1.83692544 AU ± 2.03e-07
Orbital Period1.21900993 yr ± 3.47e-09
Physical Parameters
H (abs. magnitude)19.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.354″
Uncertainty0
Orbit TypeApollo
MOID0.311366 AU
Observations Used155
Oppositions4
Arc Total2001-2023
First Observation Used2001-10-26
Last Observation Used2023-12-04
Observations (157)
Date Type RA Dec Mag Band Observatory
2023-11-18 05:30:32 C 01 48 11.560 +08 43 51.30 X F51
2023-11-18 05:46:18 C 01 48 09.716 +08 43 59.52 X F51
2023-11-18 06:03:53 C 01 48 07.661 +08 44 08.57 X F51
2023-12-04 05:05:46 C 01 18 09.207 +11 36 57.43 X F52
2023-12-04 05:26:10 C 01 18 08.201 +11 37 05.76 X F52
2023-12-04 05:46:37 C 01 18 07.193 +11 37 14.17 X F52
2023-12-04 06:07:13 C 01 18 06.179 +11 37 22.52 X F52