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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
58000.0 MJD
Value 1-σ variation Units
a 0.922617 1.501e-10 au
e 0.191506 2.972e-09
i 3.337 2.87e-07 deg
Ω 204.06 1.447e-05 deg
ω 126.687 1.408e-05 deg
M 215.856 2.242e-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 1.0993 au
Asc. node-Earth separation 0.00193 au
Desc. node-Earth separation -0.19864 au
Earth MOID 0.00056 au
Orbital period 323.691 days
Date of orbit computation   Dec 7 14:46
Observational summary
Optical observations (Discarded) 4469 (77)
Radar observations (Discarded) 20 (0)
Arc length 3946 days
Unobserved 1078 days

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Ephemeris at epoch 58103 MJD
Right Ascension 274.731 deg
Declination -21.8687 deg
V Magnitude 20.32 mag
Solar Elongation -10.53 deg
Galactic Latitude -3.04 deg
Rate 1.225 deg/day
Direction 87.961 deg

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