AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009SY311 ∴ Summary
Contact »
(328678) 2009SY311  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.36319 1.534e-08 au
e 0.150103 4.844e-08
i 4.144 6.912e-06 deg
Ω 171.148 7.377e-05 deg
ω 110.703 7.849e-05 deg
M 58.967 2.387e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0085 au
Aphelion 2.7179 au
Asc. node-Earth separation 1.44603 au
Desc. node-Earth separation 1.1881 au
Earth MOID 0.99646 au
Orbital period 1326.93 days
Date of orbit computation  feb 22 02:59
Observational summary
Optical observations (Discarded) 248 (1)
Radar observations (Discarded) 0 (0)
Arc length 10053.4 days
Unobserved 278 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 0.15215 deg
Declination -0.21521 deg
V Magnitude 22.12 mag
Solar Elongation 8.41 deg
Galactic Latitude -60.45 deg
Rate 0.513 deg/day
Direction 68.275 deg

More info »