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AstDyS ∴ Objects ∴ 2001YB57 ∴ Summary
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(89685) 2001YB57  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.73436 2.173e-08 au
e 0.018783 6.553e-08
i 4.032 6.111e-06 deg
Ω 30.062 8.299e-05 deg
ω 156.595 0.0001711 deg
M 171.213 0.0001514 deg

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Other useful info
Absolute Magnitude (H)    15.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.683 au
Aphelion 2.7857 au
Asc. node-Earth separation 1.78643 au
Desc. node-Earth separation 1.68063 au
Earth MOID 1.68042 au
Orbital period 1651.51 days
Date of orbit computation  Oct 31 05:53
Observational summary
Optical observations (Discarded) 531 (9)
Radar observations (Discarded) 0 (0)
Arc length 6595.02 days
Unobserved 158 days

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Ephemeris at epoch 58565 MJD
Right Ascension 22.9301 deg
Declination 9.74828 deg
V Magnitude 21.12 mag
Solar Elongation -23 deg
Galactic Latitude -51.85 deg
Rate 0.404 deg/day
Direction 66.952 deg

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