2018 WU1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3997366263 ± 9.85e-05
Semi-major axis (a)1.6223546748 AU ± 2.59e-04
Inclination (i)4.98837249° ± 1.11e-03
Long. of Asc. Node (Ω)88.72930984° ± 6.84e-05
Arg. of Perihelion (ω)298.23384109° ± 1.03e-03
Mean Anomaly (M)151.64571858° ± 3.00e-01
Mean Motion (n)0.4769727515°/day ± 1.14e-04
Perihelion dist (q)0.97384009 AU ± 2.23e-04
Aphelion dist (Q)2.27086926 AU ± 3.97e-04
Orbital Period2.06642052 yr ± 4.95e-04
Physical Parameters
H (abs. magnitude)24.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.354″
Uncertainty3
Orbit TypeApollo
MOID0.051295 AU
Observations Used56
Oppositions1
Arc Total2018-2019
First Observation Used2018-11-28
Last Observation Used2019-01-04
Observations (57)
Date Type RA Dec Mag Band Observatory
2018-12-13 11:51:38 C 04 47 55.284 +15 24 57.66 U F51
2018-12-13 12:08:21 C 04 47 56.597 +15 25 43.01 U F51
2018-12-13 12:25:04 C 04 47 57.914 +15 26 28.22 U F51
2018-12-13 12:41:49 C 04 47 59.248 +15 27 13.20 U F51
2019-01-04 08:50:48 C 05 20 59.81 +27 35 07.9 o 291
2019-01-04 09:09:31 C 05 21 00.60 +27 35 18.1 o 291
2019-01-04 09:28:15 C 05 21 01.47 +27 35 28.3 o 291