AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998EW9 ∴ Summary
Contact »
(312965) 1998EW9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30676 9.401e-09 au
e 0.239208 6.324e-08
i 4.833 6.095e-06 deg
Ω 156.331 5.857e-05 deg
ω 347.338 6.143e-05 deg
M 174.734 1.615e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.755 au
Aphelion 2.8586 au
Asc. node-Earth separation 0.77364 au
Desc. node-Earth separation 1.82757 au
Earth MOID 0.76815 au
Orbital period 1279.68 days
Date of orbit computation  apr 23 20:55
Observational summary
Optical observations (Discarded) 424 (1)
Radar observations (Discarded) 0 (0)
Arc length 8740.91 days
Unobserved 812 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 343.031 deg
Declination -6.33867 deg
V Magnitude 23.3 mag
Solar Elongation 54.96 deg
Galactic Latitude -54.86 deg
Rate 0.32 deg/day
Direction 69.417 deg

More info »