AstDyS-2

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AstDyS ∴ Objects ∴ 1991SY ∴ Summary
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(17487) 1991SY  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.68231 1.102e-08 au
e 0.12809 2.984e-08
i 13.664 3.431e-06 deg
Ω 28.691 1.489e-05 deg
ω 208.26 2.182e-05 deg
M 238.627 1.82e-05 deg

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Other useful info
Absolute Magnitude (H)    13.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3387 au
Aphelion 3.0259 au
Asc. node-Earth separation 1.97931 au
Desc. node-Earth separation 1.36652 au
Earth MOID 1.33712 au
Orbital period 1604.58 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 2730 (6)
Radar observations (Discarded) 0 (0)
Arc length 15674.3 days
Unobserved 57 days

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Ephemeris at epoch 60426 MJD
Right Ascension 91.7936 deg
Declination 35.1073 deg
V Magnitude 19.31 mag
Solar Elongation -56.39 deg
Galactic Latitude 7.04 deg
Rate 0.322 deg/day
Direction 96.763 deg

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