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AstDyS ∴ Objects ∴ 1999YQ9 ∴ Summary
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(71222) 1999YQ9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.07414 1.845e-08 au
e 0.138508 3.61e-08
i 10.578 4.086e-06 deg
Ω 338.564 2.325e-05 deg
ω 108.66 3.252e-05 deg
M 200.069 1.94e-05 deg

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Other useful info
Absolute Magnitude (H)    14.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6483 au
Aphelion 3.4999 au
Asc. node-Earth separation 2.14614 au
Desc. node-Earth separation 1.89713 au
Earth MOID 1.68859 au
Orbital period 1968.72 days
Date of orbit computation  apr 23 20:01
Observational summary
Optical observations (Discarded) 1548 (10)
Radar observations (Discarded) 0 (0)
Arc length 9034.98 days
Unobserved 308 days

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Ephemeris at epoch 60426 MJD
Right Ascension 308.459 deg
Declination -27.8612 deg
V Magnitude 20.38 mag
Solar Elongation 92.09 deg
Galactic Latitude -33.58 deg
Rate 0.14 deg/day
Direction 84.568 deg

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