AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001UL31 ∴ Summary
Contact »
(83838) 2001UL31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.72033 9.058e-09 au
e 0.114313 3.929e-08
i 12.508 3.348e-06 deg
Ω 68.031 1.818e-05 deg
ω 272.78 2.395e-05 deg
M 39.483 1.73e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4094 au
Aphelion 3.0313 au
Asc. node-Earth separation 1.68443 au
Desc. node-Earth separation 1.68615 au
Earth MOID 1.44127 au
Orbital period 1638.82 days
Date of orbit computation  feb 22 02:07
Observational summary
Optical observations (Discarded) 1804 (20)
Radar observations (Discarded) 0 (0)
Arc length 8572.81 days
Unobserved 131 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 24.0048 deg
Declination 3.91516 deg
V Magnitude 19.53 mag
Solar Elongation -16.21 deg
Galactic Latitude -57.14 deg
Rate 0.464 deg/day
Direction 63.962 deg

More info »