NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998SD9 ∴ Summary
Contact »
1998SD9  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 0.702429 5.914e-10 au
e 0.504728 3.161e-07
i 2.918 1.455e-05 deg
Ω 166.771 4.075e-05 deg
ω 6.561 4.91e-05 deg
M 227.911 0.0001001 deg

More info »
Other useful info
Absolute Magnitude (H)    23.9 mag
Slope parameter (G)    0.15 mag
Perihelion 0.3479 au
Aphelion 1.057 au
Asc. node-Earth separation -0.64388 au
Desc. node-Earth separation 0.04231 au
Earth MOID 0.00947 au
Orbital period 215.031 days
Date of orbit computation   Sep 7 15:18
Observational summary
Optical observations (Discarded) 145 (27)
Radar observations (Discarded) 0 (0)
Arc length 7291 days
Unobserved 17 days

More info »
Ephemeris at epoch 58383 MJD
Right Ascension 287.688 deg
Declination -24.3028 deg
V Magnitude 22.14 mag
Solar Elongation -107.38 deg
Galactic Latitude -14.83 deg
Rate 0.271 deg/day
Direction 121.849 deg

More info »





This Web Site has been visited 63241 times since 359

and this Page has been visited 3423 times since 2011/06/25