AstDyS-2

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AstDyS ∴ Objects ∴ Sirona ∴ Summary
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(116) Sirona  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.76588 7.735e-09 au
e 0.142214 3.144e-08
i 3.564 4.29e-06 deg
Ω 63.709 6.238e-05 deg
ω 94.564 6.405e-05 deg
M 179.343 1.519e-05 deg

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Other useful info
Absolute Magnitude (H)    7.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3725 au
Aphelion 3.1592 au
Asc. node-Earth separation 1.75399 au
Desc. node-Earth separation 1.66495 au
Earth MOID 1.38345 au
Orbital period 1680.15 days
Date of orbit computation  Oct 31 04:54
Observational summary
Optical observations (Discarded) 2495 (151)
Radar observations (Discarded) 0 (0)
Arc length 53262.5 days
Unobserved 22 days

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Ephemeris at epoch 58436 MJD
Right Ascension 328.989 deg
Declination -16.618 deg
V Magnitude 13.64 mag
Solar Elongation -94.08 deg
Galactic Latitude -48.18 deg
Rate 0.148 deg/day
Direction 61.971 deg

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