AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2007QR8 ∴ Summary
Contact »
(312009) 2007QR8  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.31253 2.539e-08 au
e 0.174736 6.37e-08
i 5.907 8.579e-06 deg
Ω 162.383 6.509e-05 deg
ω 218.891 7.059e-05 deg
M 23.433 3.021e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9084 au
Aphelion 2.7166 au
Asc. node-Earth separation 1.60184 au
Desc. node-Earth separation 0.96508 au
Earth MOID 0.91406 au
Orbital period 1284.49 days
Date of orbit computation  Dec 20 14:48
Observational summary
Optical observations (Discarded) 144 (0)
Radar observations (Discarded) 0 (0)
Arc length 6161.98 days
Unobserved 770 days

More info »
Ephemeris at epoch 58580 MJD
Right Ascension 90.2608 deg
Declination 19.2363 deg
V Magnitude 21.98 mag
Solar Elongation -73.66 deg
Galactic Latitude -1.89 deg
Rate 0.387 deg/day
Direction 84.143 deg

More info »





This Web Site has been visited 1158633 times since

and this Page has been visited 10 times since 2012/06/30