AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001ES4 ∴ Summary
Contact »
(257996) 2001ES4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.01665 1.607e-08 au
e 0.261811 3.398e-08
i 6.069 4.691e-06 deg
Ω 132.045 5.253e-05 deg
ω 335.951 5.435e-05 deg
M 173.734 1.398e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2269 au
Aphelion 3.8064 au
Asc. node-Earth separation 1.28272 au
Desc. node-Earth separation 2.67871 au
Earth MOID 1.24564 au
Orbital period 1913.75 days
Date of orbit computation  apr 23 20:44
Observational summary
Optical observations (Discarded) 726 (0)
Radar observations (Discarded) 0 (0)
Arc length 8193.83 days
Unobserved 288 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 304.133 deg
Declination -16.986 deg
V Magnitude 22.41 mag
Solar Elongation 92.45 deg
Galactic Latitude -26.23 deg
Rate 0.107 deg/day
Direction 77.262 deg

More info »