AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009SA61 ∴ Summary
Contact »
(321491) 2009SA61  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.69873 1.738e-08 au
e 0.162822 6.266e-08
i 4.58 8.065e-06 deg
Ω 326.903 6.761e-05 deg
ω 335.915 7.131e-05 deg
M 155.289 2.185e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2593 au
Aphelion 3.1381 au
Asc. node-Earth separation 1.27573 au
Desc. node-Earth separation 2.09827 au
Earth MOID 1.24477 au
Orbital period 1619.34 days
Date of orbit computation  feb 22 02:58
Observational summary
Optical observations (Discarded) 319 (2)
Radar observations (Discarded) 0 (0)
Arc length 8483.1 days
Unobserved 125 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 91.4534 deg
Declination 26.036 deg
V Magnitude 22.84 mag
Solar Elongation -62.24 deg
Galactic Latitude 2.41 deg
Rate 0.273 deg/day
Direction 94.516 deg

More info »