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AstDyS ∴ Objects ∴ 2009RY21 ∴ Summary
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(457808) 2009RY21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.95782 1.19e-08 au
e 0.051747 8.491e-08
i 22.192 1.039e-05 deg
Ω 172.804 1.109e-05 deg
ω 139.202 7.148e-05 deg
M 137.08 6.973e-05 deg

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Other useful info
Absolute Magnitude (H)    18.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8565 au
Aphelion 2.0591 au
Asc. node-Earth separation 1.03833 au
Desc. node-Earth separation 0.87401 au
Earth MOID 0.86652 au
Orbital period 1000.59 days
Date of orbit computation  feb 22 03:27
Observational summary
Optical observations (Discarded) 225 (2)
Radar observations (Discarded) 0 (0)
Arc length 5245.99 days
Unobserved 131 days

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Ephemeris at epoch 60420 MJD
Right Ascension 78.2946 deg
Declination 6.02725 deg
V Magnitude 22.89 mag
Solar Elongation -49.96 deg
Galactic Latitude -18.67 deg
Rate 0.513 deg/day
Direction 75.686 deg

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