AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999XW21 ∴ Summary
Contact »
(45050) 1999XW21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.63176 1.108e-08 au
e 0.119015 3.215e-08
i 12.017 3.532e-06 deg
Ω 282.706 1.729e-05 deg
ω 299.3 2.466e-05 deg
M 164.602 1.995e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3185 au
Aphelion 2.945 au
Asc. node-Earth separation 1.43509 au
Desc. node-Earth separation 1.77218 au
Earth MOID 1.3347 au
Orbital period 1559.43 days
Date of orbit computation  apr 23 19:55
Observational summary
Optical observations (Discarded) 2472 (143)
Radar observations (Discarded) 0 (0)
Arc length 26369.8 days
Unobserved 99 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 29.9763 deg
Declination 21.0781 deg
V Magnitude 19.56 mag
Solar Elongation 8.34 deg
Galactic Latitude -39.03 deg
Rate 0.386 deg/day
Direction 71.245 deg

More info »