AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Irene ∴ Summary
Contact »
(14) Irene  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.59003 2.73e-09 au
e 0.163735 3.16e-08
i 9.124 3.28e-06 deg
Ω 86.028 2.405e-05 deg
ω 97.907 2.563e-05 deg
M 231.4 9.335e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    6.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.166 au
Aphelion 3.0141 au
Asc. node-Earth separation 1.5956 au
Desc. node-Earth separation 1.44889 au
Earth MOID 1.19053 au
Orbital period 1522.5 days
Date of orbit computation  apr 23 19:45
Observational summary
Optical observations (Discarded) 3490 (141)
Radar observations (Discarded) 0 (0)
Arc length 63085.2 days
Unobserved 77 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 43.4535 deg
Declination 12.1904 deg
V Magnitude 12.08 mag
Solar Elongation -9.68 deg
Galactic Latitude -40.73 deg
Rate 0.391 deg/day
Direction 70.137 deg

More info »