NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ Apophis ∴ Summary
Contact »
(99942) Apophis  ▹ 
SUMMARY

WARNING: This object is currently included in the Risk list

Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 0.922609 2.257e-10 au
e 0.191513 3.751e-09
i 3.337 4.085e-07 deg
Ω 204.061 2.168e-05 deg
ω 126.692 2.107e-05 deg
M 353.414 2.755e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    18.9 mag
Slope parameter (G)    0.15 mag
Perihelion 0.7459 au
Aphelion 1.0993 au
Asc. node-Earth separation 0.00061 au
Desc. node-Earth separation -0.19804 au
Earth MOID 0.00018 au
Orbital period 323.687 days
Date of orbit computation   Nov 18 15:32
Observational summary
Optical observations (Discarded) 4469 (31)
Radar observations (Discarded) 20 (0)
Arc length 3946 days
Unobserved 707 days

More info »
Ephemeris at epoch 57732 MJD
Right Ascension 240.872 deg
Declination -20.083 deg
V Magnitude 20.95 mag
Solar Elongation 15.35 deg
Galactic Latitude 23.74 deg
Rate 1.07 deg/day
Direction 99.677 deg

More info »





This Web Site has been visited 42345 times since 8032

and this Page has been visited 65649 times since 2011/04/20