AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998EW9 ∴ Summary
Contact »
(312965) 1998EW9  ▹ 
SUMMARY
Keplerian elements at epoch
58800.0 MJD
Value 1-σ variation Units
a 2.3091 1.025e-08 au
e 0.237071 9.124e-08
i 4.823 7.788e-06 deg
Ω 156.413 6.592e-05 deg
ω 347.106 7.207e-05 deg
M 85.177 2.36e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7617 au
Aphelion 2.8565 au
Asc. node-Earth separation 0.78143 au
Desc. node-Earth separation 1.82528 au
Earth MOID 0.7755 au
Orbital period 1281.63 days
Date of orbit computation  Feb 24 19:36
Observational summary
Optical observations (Discarded) 345 (1)
Radar observations (Discarded) 0 (0)
Arc length 7760.03 days
Unobserved 357 days

More info »
Ephemeris at epoch 58991 MJD
Right Ascension 319.115 deg
Declination -12.0559 deg
V Magnitude 22.59 mag
Solar Elongation 103.27 deg
Galactic Latitude -37.59 deg
Rate 0.107 deg/day
Direction 69.381 deg

More info »