AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1981ES16 ∴ Summary
Contact »
(42471) 1981ES16  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.56938 1.074e-08 au
e 0.143318 3.103e-08
i 3.116 5.516e-06 deg
Ω 315.877 7.945e-05 deg
ω 294.097 8.317e-05 deg
M 104.778 2.477e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2011 au
Aphelion 2.9376 au
Asc. node-Earth separation 1.36409 au
Desc. node-Earth separation 1.68721 au
Earth MOID 1.18919 au
Orbital period 1504.33 days
Date of orbit computation  apr 23 19:55
Observational summary
Optical observations (Discarded) 938 (4)
Radar observations (Discarded) 0 (0)
Arc length 15582.5 days
Unobserved 194 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 18.3782 deg
Declination 9.92876 deg
V Magnitude 21.53 mag
Solar Elongation 15.33 deg
Galactic Latitude -52.56 deg
Rate 0.408 deg/day
Direction 66.93 deg

More info »