AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009QR31 ∴ Summary
Contact »
(515004) 2009QR31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.19646 3.721e-08 au
e 0.161376 6.069e-08
i 28.123 7.415e-06 deg
Ω 168.548 1.39e-05 deg
ω 168.761 3.343e-05 deg
M 209.583 2.799e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6806 au
Aphelion 3.7123 au
Asc. node-Earth separation 2.70596 au
Desc. node-Earth separation 1.68164 au
Earth MOID 1.67642 au
Orbital period 2087.39 days
Date of orbit computation  feb 22 03:39
Observational summary
Optical observations (Discarded) 221 (0)
Radar observations (Discarded) 0 (0)
Arc length 7977.26 days
Unobserved 433 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 176.855 deg
Declination 8.56822 deg
V Magnitude 21.29 mag
Solar Elongation -163.86 deg
Galactic Latitude 66.05 deg
Rate 0.215 deg/day
Direction -46.389 deg

More info »