AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008ER121 ∴ Summary
Contact »
(358815) 2008ER121  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.08433 4.339e-08 au
e 0.099248 5.28e-08
i 16.009 8.434e-06 deg
Ω 358.213 2.164e-05 deg
ω 82.013 5.069e-05 deg
M 79.039 4.498e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7782 au
Aphelion 3.3904 au
Asc. node-Earth separation 2.009 au
Desc. node-Earth separation 2.10127 au
Earth MOID 1.84946 au
Orbital period 1978.51 days
Date of orbit computation  feb 22 03:06
Observational summary
Optical observations (Discarded) 218 (0)
Radar observations (Discarded) 0 (0)
Arc length 6706.15 days
Unobserved days

More info »
Ephemeris at epoch MJD
Right Ascension deg
Declination deg
V Magnitude mag
Solar Elongation deg
Galactic Latitude deg
Rate deg/day
Direction deg

More info »