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AstDyS ∴ Objects ∴ Ulla ∴ Summary
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(909) Ulla  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.54498 1.965e-08 au
e 0.090082 3.902e-08
i 18.791 4.391e-06 deg
Ω 146.348 1.387e-05 deg
ω 232.989 2.683e-05 deg
M 91.327 2.235e-05 deg

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Other useful info
Absolute Magnitude (H)    8.8 mag
Slope parameter (G)    0.15 mag
Perihelion 3.2256 au
Aphelion 3.8643 au
Asc. node-Earth separation 2.72857 au
Desc. node-Earth separation 2.32304 au
Earth MOID 2.25993 au
Orbital period 2437.92 days
Date of orbit computation  Oct 8 21:12
Observational summary
Optical observations (Discarded) 2120 (54)
Radar observations (Discarded) 0 (0)
Arc length 38940.2 days
Unobserved days

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Ephemeris at epoch MJD
Right Ascension deg
Declination deg
V Magnitude mag
Solar Elongation deg
Galactic Latitude deg
Rate deg/day
Direction deg

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