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2004ER21  ▹ 
ORBITAL INFORMATION
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 0.899118 0.0002234 au
e 0.171034 0.0008518
i 7.95 0.03622 deg
Ω 357.259 0.02649 deg
ω 343.534 0.09076 deg
M 14.103 1.198 deg
Other useful info
Absolute Magnitude (H)    24.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.7453 au
Aphelion distance 1.0529 au
Asc. node-Earth separation -0.25385 au
Desc. node-Earth separation 0.04896 au
Earth MOID 0.0407 au
Orbital period 311.404 days
Date of orbit computation   feb 26 10:27

 

Get the orbital details, including covariance and correlation
Near middle of observational arc (ASCII file) Epoch 53082.7 MJD
Near present day (ASCII file) Epoch 60400.0 MJD

 

Note. The elements are given with reduced precision in order to be more readable. For full precision please use the machine-readable ASCII files, which contain Equinoctial (not Keplerian) elements and are in a format suitable for OrbFit input. Also refer to the discussion in the FAQ.