AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Apophis ∴ Summary
Contact »
(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

More info »
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 1512 days

More info »
Ephemeris at epoch 58538 MJD
Right Ascension 28.2678 deg
Declination 8.85616 deg
V Magnitude 21.1 mag
Solar Elongation -54.63 deg
Galactic Latitude -51.04 deg
Rate 1.125 deg/day
Direction 70.866 deg

More info »





This Web Site has been visited 259284 times since

and this Page has been visited 945 times since 2011/10/13