AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1981ES39 ∴ Summary
Contact »
(90695) 1981ES39  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.0018 1.436e-08 au
e 0.171759 3.308e-08
i 1.385 3.667e-06 deg
Ω 278.111 0.0001961 deg
ω 177.562 0.0001968 deg
M 161.753 1.468e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4862 au
Aphelion 3.5174 au
Asc. node-Earth separation 2.49999 au
Desc. node-Earth separation 1.50391 au
Earth MOID 1.50346 au
Orbital period 1899.64 days
Date of orbit computation  feb 22 02:09
Observational summary
Optical observations (Discarded) 1109 (9)
Radar observations (Discarded) 0 (0)
Arc length 15902 days
Unobserved 314 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 281.929 deg
Declination -23.344 deg
V Magnitude 21.23 mag
Solar Elongation 108.16 deg
Galactic Latitude -9.64 deg
Rate 0.054 deg/day
Direction 83.134 deg

More info »