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AstDyS ∴ Objects ∴ Zerlina ∴ Summary
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(531) Zerlina  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.78662 1.078e-08 au
e 0.197117 5.318e-08
i 33.99 5.574e-06 deg
Ω 197.722 7.814e-06 deg
ω 57.803 1.434e-05 deg
M 188.762 1.147e-05 deg

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Other useful info
Absolute Magnitude (H)    12.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2373 au
Aphelion 3.3359 au
Asc. node-Earth separation 1.42084 au
Desc. node-Earth separation 1.99431 au
Earth MOID 1.33869 au
Orbital period 1699.08 days
Date of orbit computation  Oct 31 04:54
Observational summary
Optical observations (Discarded) 1663 (13)
Radar observations (Discarded) 0 (0)
Arc length 41823.7 days
Unobserved 157 days

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Ephemeris at epoch 58564 MJD
Right Ascension 84.8937 deg
Declination -11.3432 deg
V Magnitude 18.04 mag
Solar Elongation -84.32 deg
Galactic Latitude -21.03 deg
Rate 0.223 deg/day
Direction 48.347 deg

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