AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Iris ∴ Summary
Contact »
(7) Iris  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.38523 1.742e-09 au
e 0.231338 2.327e-08
i 5.524 3.168e-06 deg
Ω 259.563 3.337e-05 deg
ω 145.268 3.382e-05 deg
M 86.893 6.317e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    5.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8334 au
Aphelion 2.937 au
Asc. node-Earth separation 1.77066 au
Desc. node-Earth separation 0.91189 au
Earth MOID 0.8455 au
Orbital period 1345.53 days
Date of orbit computation  Oct 31 04:54
Observational summary
Optical observations (Discarded) 5527 (256)
Radar observations (Discarded) 2 (0)
Arc length 61980.1 days
Unobserved 235 days

More info »
Ephemeris at epoch 58463 MJD
Right Ascension 189.241 deg
Declination -9.49374 deg
V Magnitude 10.95 mag
Solar Elongation 66.5 deg
Galactic Latitude 53.21 deg
Rate 0.31 deg/day
Direction 117.322 deg

More info »





This Web Site has been visited 104414 times since

and this Page has been visited 1560 times since 2011/10/11