AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Apophis ∴ Summary
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(99942) Apophis  ▹ 
SUMMARY

Warning: This object is a Near Earth Asteroid. You can have more detailed information looking at
its home page on the NEODyS web site

Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 0.922559 2.245e-10 au
e 0.191457 3.747e-09
i 3.337 4.084e-07 deg
Ω 204.056 2.167e-05 deg
ω 126.679 2.106e-05 deg
M 300.761 2.75e-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 31 05:59
Observational summary
Optical observations (Discarded) 4469 (30)
Radar observations (Discarded) 20 (0)
Arc length 3946.16 days
Unobserved 1440 days

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Ephemeris at epoch 58466 MJD
Right Ascension 301.102 deg
Declination -19.2577 deg
V Magnitude 20.69 mag
Solar Elongation -37.53 deg
Galactic Latitude -24.42 deg
Rate 1.295 deg/day
Direction 80.007 deg

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