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AstDyS ∴ Objects ∴ 2008YD21 ∴ Summary
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(498857) 2008YD21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.04106 4.732e-08 au
e 0.100815 8.338e-08
i 10.822 7.791e-06 deg
Ω 120.442 3.984e-05 deg
ω 296.594 5.188e-05 deg
M 8.403 3.576e-05 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7345 au
Aphelion 3.3476 au
Asc. node-Earth separation 1.89658 au
Desc. node-Earth separation 2.13676 au
Earth MOID 1.76858 au
Orbital period 1937.03 days
Date of orbit computation  apr 23 21:36
Observational summary
Optical observations (Discarded) 209 (1)
Radar observations (Discarded) 0 (0)
Arc length 7238.98 days
Unobserved 135 days

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Ephemeris at epoch 60427 MJD
Right Ascension 63.3987 deg
Declination 15.0756 deg
V Magnitude 22.2 mag
Solar Elongation -27.94 deg
Galactic Latitude -25.31 deg
Rate 0.412 deg/day
Direction 75.131 deg

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