2018 ED4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6289488352 ± 1.09e-06
Semi-major axis (a)2.6465159912 AU ± 4.86e-05
Inclination (i)15.03627992° ± 1.67e-04
Long. of Asc. Node (Ω)273.94811971° ± 4.38e-04
Arg. of Perihelion (ω)351.13514653° ± 4.58e-04
Mean Anomaly (M)243.07284023° ± 1.36e-02
Mean Motion (n)0.2289288320°/day ± 6.31e-06
Perihelion dist (q)0.98199284 AU ± 1.83e-05
Aphelion dist (Q)4.31103914 AU ± 7.92e-05
Orbital Period4.30538292 yr ± 1.19e-04
Physical Parameters
H (abs. magnitude)19.65
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.334″
Uncertainty2
Orbit TypeApollo
MOID0.030419 AU
Observations Used52
Oppositions1
Arc Total2018-2018
First Observation Used2018-02-13
Last Observation Used2018-09-28
Observations (52)
Date Type RA Dec Mag Band Observatory
2018-09-28 03:41:24 C 17 29 20.93 -09 41 56.8 o 291
2018-09-28 03:55:07 C 17 29 23.78 -09 41 52.4 o 291