AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998EM9 ∴ Summary
Contact »
(17769) 1998EM9  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.39106 1.104e-08 au
e 0.062774 4.093e-08
i 7.651 5.619e-06 deg
Ω 27.928 3.144e-05 deg
ω 76.238 5.528e-05 deg
M 251.954 4.635e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.241 au
Aphelion 2.5412 au
Asc. node-Earth separation 1.35113 au
Desc. node-Earth separation 1.41186 au
Earth MOID 1.27122 au
Orbital period 1350.46 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1170 (4)
Radar observations (Discarded) 0 (0)
Arc length 25050.3 days
Unobserved 91 days

More info »
Ephemeris at epoch 58499 MJD
Right Ascension 355.616 deg
Declination -3.48001 deg
V Magnitude 19.31 mag
Solar Elongation -59.32 deg
Galactic Latitude -61.18 deg
Rate 0.401 deg/day
Direction 61.4 deg

More info »





This Web Site has been visited 63992 times since

and this Page has been visited 80 times since 2011/12/30