AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1981EY4 ∴ Summary
Contact »
(37539) 1981EY4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.61765 1.235e-08 au
e 0.111233 4.657e-08
i 9.199 4.302e-06 deg
Ω 311.62 2.675e-05 deg
ω 31.174 3.254e-05 deg
M 259.995 1.962e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3265 au
Aphelion 2.9088 au
Asc. node-Earth separation 1.34621 au
Desc. node-Earth separation 1.87241 au
Earth MOID 1.32241 au
Orbital period 1546.91 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 1538 (150)
Radar observations (Discarded) 0 (0)
Arc length 15458.6 days
Unobserved 321 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 244.015 deg
Declination -34.9087 deg
V Magnitude 19.02 mag
Solar Elongation 145.21 deg
Galactic Latitude 11.35 deg
Rate 0.134 deg/day
Direction -98.565 deg

More info »