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AstDyS ∴ Objects ∴ Ismene ∴ Summary
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(190) Ismene  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.99427 1.558e-08 au
e 0.168256 1.817e-08
i 6.175 1.802e-06 deg
Ω 175.431 2.167e-05 deg
ω 271.239 2.383e-05 deg
M 121.718 7.445e-06 deg

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Other useful info
Absolute Magnitude (H)    7.9 mag
Slope parameter (G)    0.15 mag
Perihelion 3.3222 au
Aphelion 4.6663 au
Asc. node-Earth separation 2.87253 au
Desc. node-Earth separation 2.89116 au
Earth MOID 2.34703 au
Orbital period 2915.78 days
Date of orbit computation  apr 23 19:45
Observational summary
Optical observations (Discarded) 11106 (75)
Radar observations (Discarded) 0 (0)
Arc length 47675.1 days
Unobserved 34 days

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Ephemeris at epoch 60425 MJD
Right Ascension 227.562 deg
Declination -11.4388 deg
V Magnitude 14.2 mag
Solar Elongation 165.35 deg
Galactic Latitude 38.81 deg
Rate 0.15 deg/day
Direction -68.59 deg

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