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AstDyS ∴ Objects ∴ Sillanpaa ∴ Summary
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(1446) Sillanpaa  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.24554 6.266e-09 au
e 0.101334 4.024e-08
i 5.256 4.419e-06 deg
Ω 17.543 4.056e-05 deg
ω 196.456 4.474e-05 deg
M 273.602 1.939e-05 deg

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Other useful info
Absolute Magnitude (H)    12.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.018 au
Aphelion 2.4731 au
Asc. node-Earth separation 1.46328 au
Desc. node-Earth separation 1.02278 au
Earth MOID 1.01082 au
Orbital period 1229.08 days
Date of orbit computation  Oct 31 04:55
Observational summary
Optical observations (Discarded) 2115 (23)
Radar observations (Discarded) 0 (0)
Arc length 30521.7 days
Unobserved 148 days

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Ephemeris at epoch 58560 MJD
Right Ascension 160.751 deg
Declination 13.6056 deg
V Magnitude 15.14 mag
Solar Elongation -159.64 deg
Galactic Latitude 57.14 deg
Rate 0.232 deg/day
Direction -83.83 deg

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