AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2011SY255 ∴ Summary
Contact »
(389771) 2011SY255  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.12313 3.383e-08 au
e 0.196647 5.307e-08
i 4.055 6.094e-06 deg
Ω 113.394 0.0001529 deg
ω 181.097 0.0001554 deg
M 157.843 2.926e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.509 au
Aphelion 3.7373 au
Asc. node-Earth separation 2.75412 au
Desc. node-Earth separation 1.49274 au
Earth MOID 1.49271 au
Orbital period 2015.97 days
Date of orbit computation  apr 23 21:12
Observational summary
Optical observations (Discarded) 223 (0)
Radar observations (Discarded) 0 (0)
Arc length 9013.87 days
Unobserved 551 days

More info »
Ephemeris at epoch 60460 MJD
Right Ascension 99.5776 deg
Declination 22.757 deg
V Magnitude 23.05 mag
Solar Elongation -30.08 deg
Galactic Latitude 7.44 deg
Rate 0.283 deg/day
Direction 92.238 deg

More info »