AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2000WD21 ∴ Summary
Contact »
(118931) 2000WD21  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.0645 3.546e-08 au
e 0.220488 6.318e-08
i 0.9 7.873e-06 deg
Ω 170.832 0.0005449 deg
ω 204.897 0.0005455 deg
M 159.927 2.613e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3888 au
Aphelion 3.7402 au
Asc. node-Earth separation 2.64903 au
Desc. node-Earth separation 1.42352 au
Earth MOID 1.38949 au
Orbital period 1959.46 days
Date of orbit computation  Oct 31 06:11
Observational summary
Optical observations (Discarded) 247 (7)
Radar observations (Discarded) 0 (0)
Arc length 6804.99 days
Unobserved 378 days

More info »
Ephemeris at epoch 58563 MJD
Right Ascension 208.012 deg
Declination -10.8514 deg
V Magnitude 22.19 mag
Solar Elongation 149.94 deg
Galactic Latitude 49.27 deg
Rate 0.141 deg/day
Direction -67.879 deg

More info »





This Web Site has been visited 86976 times since

and this Page has been visited 75 times since 2011/11/08