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AstDyS ∴ Objects ∴ 1999XL139 ∴ Summary
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(121723) 1999XL139  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.18462 3.62e-08 au
e 0.134287 6.095e-08
i 5.815 7.096e-06 deg
Ω 47.666 7.314e-05 deg
ω 22.289 7.918e-05 deg
M 87.463 2.917e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.757 au
Aphelion 3.6123 au
Asc. node-Earth separation 1.79113 au
Desc. node-Earth separation 2.55979 au
Earth MOID 1.77144 au
Orbital period 2075.79 days
Date of orbit computation  Oct 31 06:13
Observational summary
Optical observations (Discarded) 347 (7)
Radar observations (Discarded) 0 (0)
Arc length 6756.84 days
Unobserved 283 days

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Ephemeris at epoch 58501 MJD
Right Ascension 205.795 deg
Declination -6.59678 deg
V Magnitude 21.24 mag
Solar Elongation 91.01 deg
Galactic Latitude 54.03 deg
Rate 0.145 deg/day
Direction 109.161 deg

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