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NEODyS ∴ Objects ∴ Apophis ∴ Summary
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(99942) Apophis  ▹ 
SUMMARY

WARNING: This object is currently included in the Risk list

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

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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   Oct 30 15:36
Observational summary
Optical observations (Discarded) 4469 (30)
Radar observations (Discarded) 46 (0)
Arc length 3946 days
Unobserved 1414 days

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Ephemeris at epoch 58439 MJD
Right Ascension 264.715 deg
Declination -21.6063 deg
V Magnitude 20.68 mag
Solar Elongation -30.81 deg
Galactic Latitude 5.15 deg
Rate 1.221 deg/day
Direction 92.403 deg

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