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AstDyS ∴ Objects ∴ Ulla ∴ Summary
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(909) Ulla  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.55256 1.241e-08 au
e 0.093758 2.99e-08
i 18.763 3.275e-06 deg
Ω 146.214 1.03e-05 deg
ω 231.673 1.905e-05 deg
M 28.236 1.719e-05 deg

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Other useful info
Absolute Magnitude (H)    8.8 mag
Slope parameter (G)    0.15 mag
Perihelion 3.2195 au
Aphelion 3.8856 au
Asc. node-Earth separation 2.75132 au
Desc. node-Earth separation 2.31618 au
Earth MOID 2.25282 au
Orbital period 2445.74 days
Date of orbit computation  feb 22 01:50
Observational summary
Optical observations (Discarded) 4945 (44)
Radar observations (Discarded) 0 (0)
Arc length 40899.4 days
Unobserved 56 days

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Ephemeris at epoch 60397 MJD
Right Ascension 43.0128 deg
Declination 0.67651 deg
V Magnitude 15.07 mag
Solar Elongation -36.2 deg
Galactic Latitude -49.83 deg
Rate 0.344 deg/day
Direction 68.304 deg

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