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(99942) Apophis  ▹ 
ORBITAL INFORMATION
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 0.922609 2.257e-10 au
e 0.191513 3.751e-09
i 3.337 4.085e-07 deg
Ω 204.061 2.168e-05 deg
ω 126.692 2.107e-05 deg
M 353.414 2.755e-06 deg
Other useful info
Absolute Magnitude (H)    18.9 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7459 au
Aphelion 1.0993 au
Asc. node-Earth separation 0.00061 au
Desc. node-Earth separation -0.19804 au
Earth MOID 0.00018 au
Orbital period 323.687 days
Date of orbit computation   Nov 18 15:32

 

Get the orbital details, including covariance and correlation
Near middle of observational arc (ASCII file) Epoch 54957.3 MJD
Near present day (ASCII file) Epoch 57800.0 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.





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