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AstDyS ∴ Objects ∴ 1999XS221 ∴ Summary
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(56341) 1999XS221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.49599 2.602e-08 au
e 0.054818 4.109e-08
i 10.663 4.218e-06 deg
Ω 49.084 2.463e-05 deg
ω 245.864 5.109e-05 deg
M 34.737 4.626e-05 deg

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Other useful info
Absolute Magnitude (H)    13.7 mag
Slope parameter (G)    0.15 mag
Perihelion 3.3044 au
Aphelion 3.6876 au
Asc. node-Earth separation 2.57616 au
Desc. node-Earth separation 2.39936 au
Earth MOID 2.30748 au
Orbital period 2387.56 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 1413 (67)
Radar observations (Discarded) 0 (0)
Arc length 11218 days
Unobserved 254 days

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Ephemeris at epoch 60426 MJD
Right Ascension 354.748 deg
Declination -11.5437 deg
V Magnitude 20.05 mag
Solar Elongation 45.96 deg
Galactic Latitude -66.93 deg
Rate 0.31 deg/day
Direction 68.791 deg

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