AstDyS-2

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AstDyS ∴ Objects ∴ Silesia ∴ Summary
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(257) Silesia  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.1203 9.455e-09 au
e 0.112358 2.547e-08
i 3.613 2.521e-06 deg
Ω 34.051 3.736e-05 deg
ω 31.967 4.013e-05 deg
M 166.757 1.201e-05 deg

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Other useful info
Absolute Magnitude (H)    9.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7697 au
Aphelion 3.4709 au
Asc. node-Earth separation 1.8199 au
Desc. node-Earth separation 2.39953 au
Earth MOID 1.78445 au
Orbital period 2013.23 days
Date of orbit computation  feb 22 01:49
Observational summary
Optical observations (Discarded) 8999 (77)
Radar observations (Discarded) 0 (0)
Arc length 50337.3 days
Unobserved 57 days

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Ephemeris at epoch 60397 MJD
Right Ascension 247.759 deg
Declination -23.4293 deg
V Magnitude 15.58 mag
Solar Elongation 117.79 deg
Galactic Latitude 16.75 deg
Rate 0.021 deg/day
Direction 154.602 deg

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