NEODyS-2

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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 2.244e-10 au
e 0.191457 3.747e-09
i 3.337 4.083e-07 deg
Ω 204.056 2.167e-05 deg
ω 126.679 2.105e-05 deg
M 300.761 2.749e-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 1 22:21
Observational summary
Optical observations (Discarded) 4469 (30)
Radar observations (Discarded) 20 (0)
Arc length 3946 days
Unobserved 1383 days

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Ephemeris at epoch 58408 MJD
Right Ascension 227.212 deg
Declination -16.1441 deg
V Magnitude 20.88 mag
Solar Elongation -25.98 deg
Galactic Latitude 35.38 deg
Rate 1.087 deg/day
Direction 104.546 deg

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