AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999XE89 ∴ Summary
Contact »
(66981) 1999XE89  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.08707 1.832e-08 au
e 0.09487 3.869e-08
i 10.536 3.88e-06 deg
Ω 96.267 2.15e-05 deg
ω 264.397 3.072e-05 deg
M 261.064 2.1e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7942 au
Aphelion 3.3799 au
Asc. node-Earth separation 2.10504 au
Desc. node-Earth separation 2.01473 au
Earth MOID 1.81613 au
Orbital period 1981.15 days
Date of orbit computation  apr 23 20:00
Observational summary
Optical observations (Discarded) 1812 (6)
Radar observations (Discarded) 0 (0)
Arc length 9265.31 days
Unobserved 75 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 271.53 deg
Declination -18.7271 deg
V Magnitude 19.29 mag
Solar Elongation 123.37 deg
Galactic Latitude 1.1 deg
Rate 0.015 deg/day
Direction 169.998 deg

More info »