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AstDyS ∴ Objects ∴ Zerlina ∴ Summary
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(531) Zerlina  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.78243 7.746e-09 au
e 0.199196 3.033e-08
i 34.033 3.042e-06 deg
Ω 197.671 5.853e-06 deg
ω 57.635 9.364e-06 deg
M 253.12 8.956e-06 deg

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Other useful info
Absolute Magnitude (H)    12.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2282 au
Aphelion 3.3367 au
Asc. node-Earth separation 1.41343 au
Desc. node-Earth separation 1.99333 au
Earth MOID 1.33101 au
Orbital period 1695.25 days
Date of orbit computation  apr 23 19:45
Observational summary
Optical observations (Discarded) 4681 (126)
Radar observations (Discarded) 0 (0)
Arc length 43807.2 days
Unobserved 36 days

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Ephemeris at epoch 60428 MJD
Right Ascension 112.119 deg
Declination -8.55937 deg
V Magnitude 17.89 mag
Solar Elongation -79.3 deg
Galactic Latitude 4.23 deg
Rate 0.285 deg/day
Direction 61.362 deg

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