AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009BY91 ∴ Summary
Contact »
(309811) 2009BY91  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30604 1.438e-08 au
e 0.147099 4.49e-08
i 6.02 5.559e-06 deg
Ω 129.202 4.875e-05 deg
ω 285.146 5.292e-05 deg
M 185.052 2.318e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9668 au
Aphelion 2.6453 au
Asc. node-Earth separation 1.18799 au
Desc. node-Earth separation 1.33178 au
Earth MOID 0.98881 au
Orbital period 1279.08 days
Date of orbit computation  apr 23 20:55
Observational summary
Optical observations (Discarded) 293 (14)
Radar observations (Discarded) 0 (0)
Arc length 7681.49 days
Unobserved 428 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 258.632 deg
Declination -15.0363 deg
V Magnitude 21.96 mag
Solar Elongation 136.41 deg
Galactic Latitude 13.56 deg
Rate 0.093 deg/day
Direction -68.258 deg

More info »