AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001OS31 ∴ Summary
Contact »
(77708) 2001OS31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.09572 1.726e-08 au
e 0.108975 4.185e-08
i 10.796 3.071e-06 deg
Ω 104.816 2.43e-05 deg
ω 246.252 2.856e-05 deg
M 23.851 1.569e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7584 au
Aphelion 3.4331 au
Asc. node-Earth separation 2.21656 au
Desc. node-Earth separation 1.91381 au
Earth MOID 1.77332 au
Orbital period 1989.48 days
Date of orbit computation  apr 23 20:02
Observational summary
Optical observations (Discarded) 2261 (359)
Radar observations (Discarded) 0 (0)
Arc length 8599.83 days
Unobserved 162 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 29.7918 deg
Declination 3.82982 deg
V Magnitude 19.76 mag
Solar Elongation 10.37 deg
Galactic Latitude -54.99 deg
Rate 0.418 deg/day
Direction 69.194 deg

More info »