AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009ST90 ∴ Summary
Contact »
(457835) 2009ST90  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.85152 3.479e-08 au
e 0.10877 9.017e-08
i 4.1 7.505e-06 deg
Ω 278.403 0.0001455 deg
ω 40.385 0.0001562 deg
M 41.369 6.023e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5414 au
Aphelion 3.1617 au
Asc. node-Earth separation 1.58538 au
Desc. node-Earth separation 2.08989 au
Earth MOID 1.52956 au
Orbital period 1758.79 days
Date of orbit computation  feb 22 03:27
Observational summary
Optical observations (Discarded) 140 (2)
Radar observations (Discarded) 0 (0)
Arc length 10167.1 days
Unobserved 215 days

More info »
Ephemeris at epoch 60423 MJD
Right Ascension 17.0682 deg
Declination 10.4809 deg
V Magnitude 22.54 mag
Solar Elongation 13.6 deg
Galactic Latitude -52.17 deg
Rate 0.434 deg/day
Direction 67.468 deg

More info »