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(99942) Apophis  ▹ 
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 0.922559 2.221e-10 au
e 0.191457 3.415e-09
i 3.337 3.34e-07 deg
Ω 204.056 2.107e-05 deg
ω 126.679 2.062e-05 deg
M 300.761 1.741e-06 deg
Other useful info
Absolute Magnitude (H)    18.9 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7459 au
Aphelion 1.0992 au
Asc. node-Earth separation -0.00133 au
Desc. node-Earth separation -0.19898 au
Earth MOID 0.00039 au
Orbital period 323.66 days
Date of orbit computation   Feb 6 15:23


Get the orbital details, including covariance and correlation
Near middle of observational arc (ASCII file) Epoch 54959.1 MJD
Near present day (ASCII file) Epoch 58400.0 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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