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AstDyS ∴ Objects ∴ 2001YS81 ∴ Summary
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(156384) 2001YS81  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.7338 1.383e-08 au
e 0.234434 4.799e-08
i 2.123 6.273e-06 deg
Ω 61.714 0.0001894 deg
ω 24.755 0.0001903 deg
M 345.403 2.027e-05 deg

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Other useful info
Absolute Magnitude (H)    16.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0929 au
Aphelion 3.3747 au
Asc. node-Earth separation 1.14383 au
Desc. node-Earth separation 2.26906 au
Earth MOID 1.10984 au
Orbital period 1651.01 days
Date of orbit computation  apr 23 20:21
Observational summary
Optical observations (Discarded) 399 (1)
Radar observations (Discarded) 0 (0)
Arc length 9363.09 days
Unobserved 164 days

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Ephemeris at epoch 60426 MJD
Right Ascension 58.0999 deg
Declination 20.473 deg
V Magnitude 21.53 mag
Solar Elongation -24.41 deg
Galactic Latitude -25.32 deg
Rate 0.542 deg/day
Direction 76.94 deg

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