AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2005SF221 ∴ Summary
Contact »
(311377) 2005SF221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.18009 2.56e-08 au
e 0.172677 5.474e-08
i 15.59 8.017e-06 deg
Ω 210.364 1.712e-05 deg
ω 245.482 2.918e-05 deg
M 46.094 2.329e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.631 au
Aphelion 3.7292 au
Asc. node-Earth separation 2.3187 au
Desc. node-Earth separation 1.88491 au
Earth MOID 1.69181 au
Orbital period 2071.37 days
Date of orbit computation  apr 23 20:55
Observational summary
Optical observations (Discarded) 407 (0)
Radar observations (Discarded) 0 (0)
Arc length 6711.98 days
Unobserved 69 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 143.08 deg
Declination 0.16075 deg
V Magnitude 20.99 mag
Solar Elongation -109.81 deg
Galactic Latitude 35.17 deg
Rate 0.154 deg/day
Direction 58.618 deg

More info »