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AstDyS ∴ Objects ∴ 1999XA221 ∴ Summary
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(17194) 1999XA221  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.58265 1.679e-08 au
e 0.153605 5.233e-08
i 14.037 5.391e-06 deg
Ω 261.745 2.383e-05 deg
ω 89.61 3.148e-05 deg
M 318.414 2.447e-05 deg

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Other useful info
Absolute Magnitude (H)    12.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1859 au
Aphelion 2.9794 au
Asc. node-Earth separation 1.50216 au
Desc. node-Earth separation 1.53948 au
Earth MOID 1.23359 au
Orbital period 1515.99 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1289 (14)
Radar observations (Discarded) 0 (0)
Arc length 24170 days
Unobserved 91 days

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Ephemeris at epoch 58505 MJD
Right Ascension 319.213 deg
Declination -6.23783 deg
V Magnitude 17.67 mag
Solar Elongation -20.35 deg
Galactic Latitude -35.03 deg
Rate 0.528 deg/day
Direction 71.112 deg

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