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AstDyS ∴ Objects ∴ 2008US21 ∴ Summary
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(263838) 2008US21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.09172 3.037e-08 au
e 0.049428 5.817e-08
i 11.2 5.714e-06 deg
Ω 31.012 2.613e-05 deg
ω 303.36 7.104e-05 deg
M 353.2 7.028e-05 deg

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Other useful info
Absolute Magnitude (H)    15.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.9389 au
Aphelion 3.2445 au
Asc. node-Earth separation 2.0087 au
Desc. node-Earth separation 2.16538 au
Earth MOID 1.94872 au
Orbital period 1985.63 days
Date of orbit computation  feb 22 02:46
Observational summary
Optical observations (Discarded) 407 (2)
Radar observations (Discarded) 0 (0)
Arc length 6342.25 days
Unobserved 717 days

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Ephemeris at epoch 60420 MJD
Right Ascension 349.764 deg
Declination -13.1016 deg
V Magnitude 21.37 mag
Solar Elongation 45.2 deg
Galactic Latitude -64.25 deg
Rate 0.358 deg/day
Direction 67.47 deg

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