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AstDyS ∴ Objects ∴ 1999XX257 ∴ Summary
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(71212) 1999XX257  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.69586 1.149e-08 au
e 0.152301 3.47e-08
i 12.907 4.546e-06 deg
Ω 58.383 1.854e-05 deg
ω 69.67 2.476e-05 deg
M 160.899 1.587e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2853 au
Aphelion 3.1064 au
Asc. node-Earth separation 1.5139 au
Desc. node-Earth separation 1.76847 au
Earth MOID 1.3378 au
Orbital period 1616.76 days
Date of orbit computation  feb 22 02:05
Observational summary
Optical observations (Discarded) 1775 (1)
Radar observations (Discarded) 0 (0)
Arc length 15626.7 days
Unobserved 257 days

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Ephemeris at epoch 60398 MJD
Right Ascension 314.378 deg
Declination -26.9898 deg
V Magnitude 20.53 mag
Solar Elongation 59.74 deg
Galactic Latitude -38.43 deg
Rate 0.295 deg/day
Direction 83.818 deg

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