AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009DF121 ∴ Summary
Contact »
(438857) 2009DF121  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.94714 5.88e-08 au
e 0.196396 8.741e-08
i 8.461 1.277e-05 deg
Ω 174.987 6.646e-05 deg
ω 68.959 8.001e-05 deg
M 297.695 5.035e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3683 au
Aphelion 3.5259 au
Asc. node-Earth separation 1.65236 au
Desc. node-Earth separation 2.04408 au
Earth MOID 1.37201 au
Orbital period 1847.99 days
Date of orbit computation  feb 22 03:23
Observational summary
Optical observations (Discarded) 85 (0)
Radar observations (Discarded) 0 (0)
Arc length 4665.95 days
Unobserved 900 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 146.249 deg
Declination 11.3465 deg
V Magnitude 21.84 mag
Solar Elongation -115.54 deg
Galactic Latitude 43.56 deg
Rate 0.067 deg/day
Direction 58.706 deg

More info »