AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2011SN257 ∴ Summary
Contact »
(312832) 2011SN257  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.34858 2.995e-08 au
e 0.119787 1.441e-07
i 5.854 8.519e-06 deg
Ω 233.156 0.0001149 deg
ω 144.789 0.0001224 deg
M 343.198 4.103e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0673 au
Aphelion 2.6299 au
Asc. node-Earth separation 1.55366 au
Desc. node-Earth separation 1.11929 au
Earth MOID 1.07214 au
Orbital period 1314.64 days
Date of orbit computation  Dec 20 14:48
Observational summary
Optical observations (Discarded) 102 (1)
Radar observations (Discarded) 0 (0)
Arc length 6063.34 days
Unobserved 194 days

More info »
Ephemeris at epoch 58580 MJD
Right Ascension 43.2614 deg
Declination 16.1121 deg
V Magnitude 22.48 mag
Solar Elongation -28.97 deg
Galactic Latitude -37.66 deg
Rate 0.527 deg/day
Direction 75.728 deg

More info »





This Web Site has been visited 1072685 times since

and this Page has been visited 35 times since 2012/07/01