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AstDyS ∴ Objects ∴ 1999XC31 ∴ Summary
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(121663) 1999XC31  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.05567 3.312e-08 au
e 0.165042 6.155e-08
i 6.31 6.961e-06 deg
Ω 185.807 5.623e-05 deg
ω 247.55 5.955e-05 deg
M 190.777 1.952e-05 deg

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Other useful info
Absolute Magnitude (H)    15.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5514 au
Aphelion 3.56 au
Asc. node-Earth separation 2.17298 au
Desc. node-Earth separation 1.79433 au
Earth MOID 1.57343 au
Orbital period 1951 days
Date of orbit computation  Oct 31 06:13
Observational summary
Optical observations (Discarded) 392 (0)
Radar observations (Discarded) 0 (0)
Arc length 8102.99 days
Unobserved 210 days

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Ephemeris at epoch 58499 MJD
Right Ascension 279.581 deg
Declination -18.1512 deg
V Magnitude 21.79 mag
Solar Elongation 16.89 deg
Galactic Latitude -5.38 deg
Rate 0.326 deg/day
Direction 85.362 deg

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