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AstDyS ∴ Objects ∴ Zwaan ∴ Summary
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(9691) Zwaan  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.6084 7.737e-09 au
e 0.196792 2.915e-08
i 3.325 3.929e-06 deg
Ω 211.233 5.588e-05 deg
ω 83.621 5.698e-05 deg
M 75.971 1.164e-05 deg

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Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0951 au
Aphelion 3.1217 au
Asc. node-Earth separation 1.44833 au
Desc. node-Earth separation 1.57006 au
Earth MOID 1.0821 au
Orbital period 1538.72 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 2020 (13)
Radar observations (Discarded) 0 (0)
Arc length 23120.8 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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