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AstDyS ∴ Objects ∴ 1999XL139 ∴ Summary
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(121723) 1999XL139  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.1905 2.441e-08 au
e 0.126113 4.8e-08
i 5.806 5.83e-06 deg
Ω 47.143 5.163e-05 deg
ω 23.205 5.711e-05 deg
M 72.593 2.344e-05 deg

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Other useful info
Absolute Magnitude (H)    15.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7881 au
Aphelion 3.5929 au
Asc. node-Earth separation 1.82404 au
Desc. node-Earth separation 2.542 au
Earth MOID 1.80389 au
Orbital period 2081.55 days
Date of orbit computation  apr 23 20:14
Observational summary
Optical observations (Discarded) 659 (7)
Radar observations (Discarded) 0 (0)
Arc length 8926.85 days
Unobserved 36 days

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Ephemeris at epoch 60425 MJD
Right Ascension 148.675 deg
Declination 19.3196 deg
V Magnitude 20.92 mag
Solar Elongation -109.12 deg
Galactic Latitude 48.86 deg
Rate 0.089 deg/day
Direction 136.416 deg

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