AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009BN21 ∴ Summary
Contact »
(239719) 2009BN21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.20074 3.667e-08 au
e 0.087519 6.628e-08
i 5.13 7.013e-06 deg
Ω 330.537 6.699e-05 deg
ω 341.611 7.823e-05 deg
M 41.337 4.021e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9206 au
Aphelion 3.4809 au
Asc. node-Earth separation 1.92197 au
Desc. node-Earth separation 2.47558 au
Earth MOID 1.90689 au
Orbital period 2091.57 days
Date of orbit computation  apr 23 20:40
Observational summary
Optical observations (Discarded) 364 (1)
Radar observations (Discarded) 0 (0)
Arc length 8522.89 days
Unobserved 142 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 11.4648 deg
Declination 7.40895 deg
V Magnitude 21.66 mag
Solar Elongation 23.57 deg
Galactic Latitude -55.44 deg
Rate 0.377 deg/day
Direction 64.907 deg

More info »