AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Athene ∴ Summary
Contact »
(881) Athene  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.61393 6.376e-09 au
e 0.206475 2.709e-08
i 14.198 2.454e-06 deg
Ω 276.951 9.21e-06 deg
ω 41.626 1.182e-05 deg
M 87.594 9.737e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    12.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0742 au
Aphelion 3.1536 au
Asc. node-Earth separation 1.15122 au
Desc. node-Earth separation 1.97665 au
Earth MOID 1.08103 au
Orbital period 1543.62 days
Date of orbit computation  feb 22 01:50
Observational summary
Optical observations (Discarded) 6379 (107)
Radar observations (Discarded) 0 (0)
Arc length 38908.4 days
Unobserved 56 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 50.4019 deg
Declination 24.0617 deg
V Magnitude 17.6 mag
Solar Elongation -46.01 deg
Galactic Latitude -27.29 deg
Rate 0.385 deg/day
Direction 83.252 deg

More info »