AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999XE21 ∴ Summary
Contact »
(66956) 1999XE21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.17958 6.898e-09 au
e 0.054253 3.465e-08
i 5.667 4.413e-06 deg
Ω 200.626 3.773e-05 deg
ω 24.569 5.739e-05 deg
M 29.81 4.348e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0613 au
Aphelion 2.2978 au
Asc. node-Earth separation 1.06899 au
Desc. node-Earth separation 1.28919 au
Earth MOID 1.05396 au
Orbital period 1175.32 days
Date of orbit computation  apr 23 20:00
Observational summary
Optical observations (Discarded) 1064 (10)
Radar observations (Discarded) 0 (0)
Arc length 11726 days
Unobserved 375 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 295.993 deg
Declination -14.634 deg
V Magnitude 20.39 mag
Solar Elongation 100.58 deg
Galactic Latitude -18.11 deg
Rate 0.27 deg/day
Direction 66.99 deg

More info »