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AstDyS ∴ Objects ∴ Kirkwood ∴ Summary
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(1578) Kirkwood  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.92296 2.952e-08 au
e 0.239495 3.476e-08
i 0.808 4.269e-06 deg
Ω 73.99 0.000321 deg
ω 1.745 0.000321 deg
M 246.047 1.1e-05 deg

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Other useful info
Absolute Magnitude (H)    10.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9834 au
Aphelion 4.8625 au
Asc. node-Earth separation 1.99795 au
Desc. node-Earth separation 3.84566 au
Earth MOID 1.99779 au
Orbital period 2838.04 days
Date of orbit computation  Oct 31 04:55
Observational summary
Optical observations (Discarded) 2221 (24)
Radar observations (Discarded) 0 (0)
Arc length 27271.3 days
Unobserved 88 days

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Ephemeris at epoch 58502 MJD
Right Ascension 310.412 deg
Declination -18.8342 deg
V Magnitude 17.27 mag
Solar Elongation -9.52 deg
Galactic Latitude -32.47 deg
Rate 0.27 deg/day
Direction 75.127 deg

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