AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008AS21 ∴ Summary
Contact »
(428520) 2008AS21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.2975 1.326e-08 au
e 0.147753 9.35e-08
i 2.257 1.378e-05 deg
Ω 3.772 0.0002604 deg
ω 208.105 0.0002659 deg
M 174.556 5.572e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    18.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.958 au
Aphelion 2.637 au
Asc. node-Earth separation 1.58231 au
Desc. node-Earth separation 0.99126 au
Earth MOID 0.95268 au
Orbital period 1271.98 days
Date of orbit computation  apr 23 21:21
Observational summary
Optical observations (Discarded) 141 (1)
Radar observations (Discarded) 0 (0)
Arc length 8301.84 days
Unobserved 191 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 31.0819 deg
Declination 13.4668 deg
V Magnitude 23.32 mag
Solar Elongation 1.57 deg
Galactic Latitude -45.72 deg
Rate 0.423 deg/day
Direction 69.366 deg

More info »