AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999UW31 ∴ Summary
Contact »
(251858) 1999UW31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.39752 9.666e-09 au
e 0.151256 3.658e-08
i 0.664 4.656e-06 deg
Ω 193.652 0.0003582 deg
ω 245.093 0.0003588 deg
M 175.961 1.868e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0349 au
Aphelion 2.7602 au
Asc. node-Earth separation 1.50282 au
Desc. node-Earth separation 1.20302 au
Earth MOID 1.05091 au
Orbital period 1355.95 days
Date of orbit computation  apr 23 20:42
Observational summary
Optical observations (Discarded) 497 (1)
Radar observations (Discarded) 0 (0)
Arc length 8569.99 days
Unobserved 411 days

More info »
Ephemeris at epoch 60444 MJD
Right Ascension 280.66 deg
Declination -22.1954 deg
V Magnitude 21.71 mag
Solar Elongation 133.49 deg
Galactic Latitude -8.08 deg
Rate 0.068 deg/day
Direction -89.546 deg

More info »