AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999UY31 ∴ Summary
Contact »
(306499) 1999UY31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.52627 2.464e-08 au
e 0.196418 3.591e-07
i 1.26 2.066e-05 deg
Ω 202.929 0.0001775 deg
ω 220.35 0.0002329 deg
M 8.818 0.0001352 deg

More info »
Other useful info
Absolute Magnitude (H)    17.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0301 au
Aphelion 3.0225 au
Asc. node-Earth separation 1.85435 au
Desc. node-Earth separation 1.11612 au
Earth MOID 1.04378 au
Orbital period 1466.62 days
Date of orbit computation  apr 23 20:54
Observational summary
Optical observations (Discarded) 334 (2)
Radar observations (Discarded) 0 (0)
Arc length 8843.67 days
Unobserved 116 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 69.2444 deg
Declination 21.2348 deg
V Magnitude 22.42 mag
Solar Elongation -33.82 deg
Galactic Latitude -17.1 deg
Rate 0.546 deg/day
Direction 81.991 deg

More info »