AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008QS9 ∴ Summary
Contact »
(381439) 2008QS9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.70407 2.584e-08 au
e 0.196446 9.375e-08
i 4.332 9.48e-06 deg
Ω 346.101 9.208e-05 deg
ω 350.001 9.442e-05 deg
M 184.855 2.362e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1729 au
Aphelion 3.2353 au
Asc. node-Earth separation 1.1715 au
Desc. node-Earth separation 2.23124 au
Earth MOID 1.16338 au
Orbital period 1624.15 days
Date of orbit computation  feb 22 03:11
Observational summary
Optical observations (Discarded) 200 (2)
Radar observations (Discarded) 0 (0)
Arc length 7112.72 days
Unobserved 460 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 149.901 deg
Declination 13.0167 deg
V Magnitude 22.03 mag
Solar Elongation -138.99 deg
Galactic Latitude 47.5 deg
Rate 0.116 deg/day
Direction -78.791 deg

More info »