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AstDyS ∴ Objects ∴ 2009SY18 ∴ Summary
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2009SY18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.31484 1.276e-07 au
e 0.208909 2.987e-06
i 0.833 4.565e-05 deg
Ω 196.414 0.001354 deg
ω 152.812 0.001641 deg
M 52.481 0.000589 deg

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Other useful info
Absolute Magnitude (H)    19.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8312 au
Aphelion 2.7984 au
Asc. node-Earth separation 1.71776 au
Desc. node-Earth separation 0.86917 au
Earth MOID 0.8249 au
Orbital period 1286.41 days
Date of orbit computation  feb 22 07:41
Observational summary
Optical observations (Discarded) 79 (0)
Radar observations (Discarded) 0 (0)
Arc length 10219.9 days
Unobserved 187 days

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Ephemeris at epoch 60420 MJD
Right Ascension 55.5166 deg
Declination 19.1694 deg
V Magnitude 23.78 mag
Solar Elongation -27.6 deg
Galactic Latitude -27.94 deg
Rate 0.523 deg/day
Direction 77.121 deg

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