AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1990UE4 ∴ Summary
Contact »
(16509) 1990UE4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.14756 1.326e-08 au
e 0.155788 3.422e-08
i 6.193 3.596e-06 deg
Ω 131.863 3.947e-05 deg
ω 300.068 4.178e-05 deg
M 333.577 1.504e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6572 au
Aphelion 3.6379 au
Asc. node-Earth separation 1.86378 au
Desc. node-Earth separation 2.31708 au
Earth MOID 1.67916 au
Orbital period 2039.66 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 2353 (11)
Radar observations (Discarded) 0 (0)
Arc length 16101.2 days
Unobserved 97 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 39.3955 deg
Declination 10.6335 deg
V Magnitude 18.79 mag
Solar Elongation -6.34 deg
Galactic Latitude -44.3 deg
Rate 0.435 deg/day
Direction 71.786 deg

More info »