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
57200.0 MJD
Value 1-σ variation Units
a 0.922117 1.27e-10 au
e 0.191215 2.885e-09
i 3.331 2.795e-07 deg
Ω 204.203 1.479e-05 deg
ω 126.457 1.445e-05 deg
M 45.933 2.262e-06 deg

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Other useful info
Absolute Magnitude (H)    18.9 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7458 au
Aphelion 1.0984 au
Asc. node-Earth separation -0.00084 au
Desc. node-Earth separation -0.19775 au
Earth MOID 0.00025 au
Orbital period 323.428 days
Date of orbit computation   Apr 8 17:25
Observational summary
Optical observations (Discarded) 4168 (24)
Radar observations (Discarded) 20 (0)
Arc length 3946 days
Unobserved 140 days

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Ephemeris at epoch 57165 MJD
Right Ascension 26.0142 deg
Declination 12.1074 deg
V Magnitude 20.71 mag
Solar Elongation 32.9 deg
Galactic Latitude -48.74 deg
Rate 1.207 deg/day
Direction 71.164 deg

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