AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009SY156 ∴ Summary
Contact »
(379217) 2009SY156  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.47254 3.791e-08 au
e 0.195432 2.086e-07
i 1.973 6.965e-06 deg
Ω 147.247 0.0003606 deg
ω 238.576 0.0003646 deg
M 254.969 5.146e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    18.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9893 au
Aphelion 2.9558 au
Asc. node-Earth separation 1.65983 au
Desc. node-Earth separation 1.14707 au
Earth MOID 0.99434 au
Orbital period 1420.08 days
Date of orbit computation  feb 22 03:10
Observational summary
Optical observations (Discarded) 125 (1)
Radar observations (Discarded) 0 (0)
Arc length 7906.13 days
Unobserved 369 days

More info »
Ephemeris at epoch 60420 MJD
Right Ascension 288.063 deg
Declination -20.316 deg
V Magnitude 22.97 mag
Solar Elongation 103.15 deg
Galactic Latitude -13.53 deg
Rate 0.165 deg/day
Direction 80.112 deg

More info »