AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2011ST261 ∴ Summary
Contact »
2011ST261  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.73618 2.141e-08 au
e 0.126997 1.422e-07
i 6.585 1.062e-05 deg
Ω 60.704 8.938e-05 deg
ω 302.51 9.614e-05 deg
M 288.358 3.023e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3887 au
Aphelion 3.0837 au
Asc. node-Earth separation 1.53316 au
Desc. node-Earth separation 1.87711 au
Earth MOID 1.39471 au
Orbital period 1653.16 days
Date of orbit computation  apr 24 01:44
Observational summary
Optical observations (Discarded) 167 (2)
Radar observations (Discarded) 0 (0)
Arc length 7496.14 days
Unobserved 365 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 309.15 deg
Declination -23.5642 deg
V Magnitude 22.29 mag
Solar Elongation 90.42 deg
Galactic Latitude -32.93 deg
Rate 0.253 deg/day
Direction 86.167 deg

More info »