2019 WU4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2579188764 ± 1.23e-06
Semi-major axis (a)1.6639054811 AU ± 4.86e-06
Inclination (i)23.72664333° ± 9.88e-05
Long. of Asc. Node (Ω)243.47959729° ± 1.61e-05
Arg. of Perihelion (ω)252.58983013° ± 2.49e-04
Mean Anomaly (M)240.03212763° ± 4.13e-03
Mean Motion (n)0.4592184175°/day ± 2.01e-06
Perihelion dist (q)1.23475285 AU ± 4.15e-06
Aphelion dist (Q)2.09305811 AU ± 6.45e-06
Orbital Period2.14631262 yr ± 9.41e-06
Physical Parameters
H (abs. magnitude)21.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.213″
Uncertainty1
Orbit TypeAmor
MOID0.390183 AU
Observations Used57
Oppositions1
Arc Total2019-2020
First Observation Used2019-11-24
Last Observation Used2020-03-15
Observations (59)
Date Type RA Dec Mag Band Observatory
2020-01-22 06:31:26 C 04 09 57.728 -18 22 40.73 U F51
2020-01-22 06:46:37 C 04 09 58.162 -18 22 48.48 U F51
2020-01-22 07:00:52 C 04 09 58.569 -18 22 56.15 U F51
2020-01-22 07:01:47 C 04 09 58.607 -18 22 56.40 U F51
2020-01-22 07:16:01 C 04 09 59.008 -18 23 03.16 U F51
2020-01-22 07:16:56 C 04 09 59.027 -18 23 04.06 U F51
2020-03-15 00:47:46 C 05 46 24.33 -19 34 19.2 V 807
2020-03-15 01:04:49 C 05 46 26.20 -19 34 15.5 V 807
2020-03-15 01:21:54 C 05 46 28.05 -19 34 11.4 V 807