AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001YW89 ∴ Summary
Contact »
(258457) 2001YW89  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.717 3.15e-08 au
e 0.293252 8.82e-08
i 6.523 7.84e-06 deg
Ω 290.356 8.115e-05 deg
ω 111.519 8.292e-05 deg
M 307.476 1.865e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9202 au
Aphelion 3.5138 au
Asc. node-Earth separation 1.76486 au
Desc. node-Earth separation 1.258 au
Earth MOID 0.93977 au
Orbital period 1635.81 days
Date of orbit computation  Oct 31 07:38
Observational summary
Optical observations (Discarded) 207 (1)
Radar observations (Discarded) 0 (0)
Arc length 6081.94 days
Unobserved 249 days

More info »
Ephemeris at epoch 58593 MJD
Right Ascension 21.5982 deg
Declination 13.7007 deg
V Magnitude 20.7 mag
Solar Elongation 6.1 deg
Galactic Latitude -48.3 deg
Rate 0.605 deg/day
Direction 68.366 deg

More info »





This Web Site has been visited 99484 times since

and this Page has been visited 27 times since 2011/10/17