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AstDyS ∴ Objects ∴ 2009YW21 ∴ Summary
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(395129) 2009YW21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.34302 1.17e-08 au
e 0.166859 8.157e-08
i 3.332 5.895e-06 deg
Ω 99.161 0.0001552 deg
ω 69.258 0.0001567 deg
M 306.864 1.977e-05 deg

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Other useful info
Absolute Magnitude (H)    18.2 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9521 au
Aphelion 2.734 au
Asc. node-Earth separation 1.16841 au
Desc. node-Earth separation 1.40369 au
Earth MOID 0.96202 au
Orbital period 1309.97 days
Date of orbit computation  apr 23 21:14
Observational summary
Optical observations (Discarded) 156 (0)
Radar observations (Discarded) 0 (0)
Arc length 7641.84 days
Unobserved 115 days

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Ephemeris at epoch 60426 MJD
Right Ascension 84.9068 deg
Declination 23.7016 deg
V Magnitude 23 mag
Solar Elongation -49.42 deg
Galactic Latitude -3.89 deg
Rate 0.475 deg/day
Direction 86.259 deg

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