AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999XS143 ∴ Summary
Contact »
(20729) 1999XS143  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 5.21689 1.335e-07 au
e 0.064025 5.636e-08
i 22.009 8.501e-06 deg
Ω 306.914 1.613e-05 deg
ω 91.998 7.876e-05 deg
M 268.799 8.194e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    10.4 mag
Slope parameter (G)    0.15 mag
Perihelion 4.8829 au
Aphelion 5.5509 au
Asc. node-Earth separation 4.19128 au
Desc. node-Earth separation 4.19805 au
Earth MOID 3.97963 au
Orbital period 4352.27 days
Date of orbit computation  Oct 31 05:09
Observational summary
Optical observations (Discarded) 907 (5)
Radar observations (Discarded) 0 (0)
Arc length 23982.1 days
Unobserved 129 days

More info »
Ephemeris at epoch 58535 MJD
Right Ascension 316.508 deg
Declination -15.0737 deg
V Magnitude 18.2 mag
Solar Elongation 17.37 deg
Galactic Latitude -36.49 deg
Rate 0.224 deg/day
Direction 66.143 deg

More info »





This Web Site has been visited 211253 times since

and this Page has been visited 156 times since 2011/11/11