2011 EW4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3701608476 ± 6.97e-07
Semi-major axis (a)1.3292910896 AU ± 1.62e-07
Inclination (i)9.74497913° ± 4.27e-05
Long. of Asc. Node (Ω)328.99944437° ± 6.72e-05
Arg. of Perihelion (ω)289.21294647° ± 1.15e-04
Mean Anomaly (M)160.81759641° ± 6.28e-04
Mean Motion (n)0.6431053696°/day ± 1.18e-07
Perihelion dist (q)0.83723957 AU ± 9.33e-07
Aphelion dist (Q)1.82134261 AU ± 9.53e-07
Orbital Period1.53260466 yr ± 2.80e-07
Physical Parameters
H (abs. magnitude)23.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.555″
Uncertainty0
Orbit TypeApollo
MOID0.004347 AU
Observations Used51
Oppositions1
Arc Total2011-2014
First Observation Used2011-03-02
Last Observation Used2014-09-29
Observations (51)
Date Type RA Dec Mag Band Observatory
2014-09-29 04:39:09 C 23 03 26.92 +20 41 06.9 u H21