AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009SD261 ∴ Summary
Contact »
(471011) 2009SD261  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.21088 3.574e-08 au
e 0.186099 5.064e-08
i 9.029 7.261e-06 deg
Ω 282.269 3.571e-05 deg
ω 85.124 4.553e-05 deg
M 188.667 2.51e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6133 au
Aphelion 3.8084 au
Asc. node-Earth separation 2.03448 au
Desc. node-Earth separation 2.16711 au
Earth MOID 1.63182 au
Orbital period 2101.52 days
Date of orbit computation  feb 22 03:30
Observational summary
Optical observations (Discarded) 273 (1)
Radar observations (Discarded) 0 (0)
Arc length 7172.39 days
Unobserved 397 days

More info »
Ephemeris at epoch 60416 MJD
Right Ascension 185.717 deg
Declination -15.688 deg
V Magnitude 21.62 mag
Solar Elongation -161.09 deg
Galactic Latitude 46.63 deg
Rate 0.177 deg/day
Direction -60.915 deg

More info »