AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009ST209 ∴ Summary
Contact »
(477302) 2009ST209  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.31177 2.084e-08 au
e 0.214141 1.072e-07
i 5.436 1.376e-05 deg
Ω 7.235 8.299e-05 deg
ω 312.191 0.0001268 deg
M 81.323 7.435e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    18.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8167 au
Aphelion 2.8068 au
Asc. node-Earth separation 0.92763 au
Desc. node-Earth separation 1.57834 au
Earth MOID 0.80931 au
Orbital period 1283.85 days
Date of orbit computation  apr 23 21:31
Observational summary
Optical observations (Discarded) 131 (1)
Radar observations (Discarded) 0 (0)
Arc length 8294.86 days
Unobserved 139 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 58.5485 deg
Declination 23.9891 deg
V Magnitude 23.67 mag
Solar Elongation -25.78 deg
Galactic Latitude -22.5 deg
Rate 0.458 deg/day
Direction 77.721 deg

More info »