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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
58200.0 MJD
Value 1-σ variation Units
a 0.922587 2.246e-10 au
e 0.191472 3.748e-09
i 3.337 4.083e-07 deg
Ω 204.059 2.167e-05 deg
ω 126.691 2.105e-05 deg
M 78.289 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 0.00069 au
Desc. node-Earth separation -0.1997 au
Earth MOID 0.0002 au
Orbital period 323.675 days
Date of orbit computation   Apr 3 15:28
Observational summary
Optical observations (Discarded) 4469 (30)
Radar observations (Discarded) 20 (0)
Arc length 3946 days
Unobserved 1269 days

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Ephemeris at epoch 58294 MJD
Right Ascension 126.164 deg
Declination 17.6856 deg
V Magnitude 21.68 mag
Solar Elongation -31.09 deg
Galactic Latitude 28.29 deg
Rate 0.855 deg/day
Direction 102.354 deg

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