AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009WC221 ∴ Summary
Contact »
(312635) 2009WC221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 5.19738 1.691e-07 au
e 0.014591 7.994e-08
i 3.616 7.064e-06 deg
Ω 125.513 0.0001425 deg
ω 301.809 0.0003554 deg
M 64.832 0.0003202 deg

More info »
Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 5.1215 au
Aphelion 5.2732 au
Asc. node-Earth separation 4.17253 au
Desc. node-Earth separation 4.22141 au
Earth MOID 4.13725 au
Orbital period 4327.88 days
Date of orbit computation  feb 22 02:56
Observational summary
Optical observations (Discarded) 239 (1)
Radar observations (Discarded) 0 (0)
Arc length 8405.23 days
Unobserved 77 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 126.577 deg
Declination 19.8503 deg
V Magnitude 21.88 mag
Solar Elongation -94.99 deg
Galactic Latitude 29.44 deg
Rate 0.065 deg/day
Direction 100.716 deg

More info »