AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999XA221 ∴ Summary
Contact »
(17194) 1999XA221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.58268 9.381e-09 au
e 0.15514 3.735e-08
i 14.046 3.774e-06 deg
Ω 261.684 1.508e-05 deg
ω 89.747 1.993e-05 deg
M 73.179 1.452e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.182 au
Aphelion 2.9834 au
Asc. node-Earth separation 1.50308 au
Desc. node-Earth separation 1.53871 au
Earth MOID 1.23042 au
Orbital period 1516.02 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 3010 (16)
Radar observations (Discarded) 0 (0)
Arc length 26097.1 days
Unobserved 77 days

More info »
Ephemeris at epoch 60418 MJD
Right Ascension 69.6162 deg
Declination 21.1349 deg
V Magnitude 18.45 mag
Solar Elongation -42.93 deg
Galactic Latitude -16.9 deg
Rate 0.41 deg/day
Direction 88.144 deg

More info »