AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1981EP4 ∴ Summary
Contact »
(52245) 1981EP4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77587 1.416e-08 au
e 0.0463 4.391e-08
i 11.577 5.018e-06 deg
Ω 209.941 1.867e-05 deg
ω 317.562 5.236e-05 deg
M 119.693 5.028e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6473 au
Aphelion 2.9044 au
Asc. node-Earth separation 1.67373 au
Desc. node-Earth separation 1.87378 au
Earth MOID 1.66082 au
Orbital period 1689.26 days
Date of orbit computation  apr 23 19:57
Observational summary
Optical observations (Discarded) 1269 (6)
Radar observations (Discarded) 0 (0)
Arc length 15496.5 days
Unobserved 289 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 316.235 deg
Declination -4.76771 deg
V Magnitude 20.49 mag
Solar Elongation 77.96 deg
Galactic Latitude -31.72 deg
Rate 0.267 deg/day
Direction 61.312 deg

More info »