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(99942) Apophis  ▹ 
ORBITAL INFORMATION
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 0.922617 2.259e-10 au
e 0.191506 3.75e-09
i 3.337 4.085e-07 deg
Ω 204.06 2.168e-05 deg
ω 126.687 2.107e-05 deg
M 215.856 2.751e-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 0.00193 au
Desc. node-Earth separation -0.19864 au
Earth MOID 0.00056 au
Orbital period 323.691 days
Date of orbit computation   Jul 10 22:03

 

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 58000.0 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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