AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1989SD8 ∴ Summary
Contact »
(100016) 1989SD8  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.52848 1.061e-08 au
e 0.257934 1.384e-07
i 4.58 1.232e-05 deg
Ω 331.225 6.802e-05 deg
ω 67.14 7.447e-05 deg
M 65.55 3.121e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8763 au
Aphelion 3.1807 au
Asc. node-Earth separation 1.13392 au
Desc. node-Earth separation 1.63305 au
Earth MOID 0.8887 au
Orbital period 1468.55 days
Date of orbit computation  Dec 20 14:24
Observational summary
Optical observations (Discarded) 977 (12)
Radar observations (Discarded) 0 (0)
Arc length 10377.8 days
Unobserved 421 days

More info »
Ephemeris at epoch 58580 MJD
Right Ascension 161.083 deg
Declination 5.44412 deg
V Magnitude 20.04 mag
Solar Elongation -143.78 deg
Galactic Latitude 52.79 deg
Rate 0.133 deg/day
Direction -71.915 deg

More info »





This Web Site has been visited 359143 times since

and this Page has been visited 78 times since 2011/11/04