AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2012QP31 ∴ Summary
Contact »
(398639) 2012QP31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.86359 3.104e-08 au
e 0.170583 6.748e-08
i 13.182 8.582e-06 deg
Ω 323.496 2.535e-05 deg
ω 138.551 3.578e-05 deg
M 47.848 2.417e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3751 au
Aphelion 3.3521 au
Asc. node-Earth separation 2.17555 au
Desc. node-Earth separation 1.4783 au
Earth MOID 1.40882 au
Orbital period 1769.97 days
Date of orbit computation  apr 23 21:14
Observational summary
Optical observations (Discarded) 306 (1)
Radar observations (Discarded) 0 (0)
Arc length 7875.05 days
Unobserved 53 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 150.975 deg
Declination 3.01419 deg
V Magnitude 20.8 mag
Solar Elongation -115.73 deg
Galactic Latitude 43.29 deg
Rate 0.079 deg/day
Direction 120.202 deg

More info »