AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Iris ∴ Summary
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(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

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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 303 days

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Ephemeris at epoch 58531 MJD
Right Ascension 198.832 deg
Declination -15.5718 deg
V Magnitude 10.26 mag
Solar Elongation 124.2 deg
Galactic Latitude 46.91 deg
Rate 0.046 deg/day
Direction -110.391 deg

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