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AstDyS ∴ Objects ∴ 2008JR21 ∴ Summary
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(457209) 2008JR21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.72154 3.106e-08 au
e 0.089313 6.465e-08
i 9.28 9.893e-06 deg
Ω 153.969 4.754e-05 deg
ω 128.463 7.601e-05 deg
M 143.754 6.16e-05 deg

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Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4785 au
Aphelion 2.9646 au
Asc. node-Earth separation 1.86964 au
Desc. node-Earth separation 1.54778 au
Earth MOID 1.47443 au
Orbital period 1639.91 days
Date of orbit computation  feb 22 03:27
Observational summary
Optical observations (Discarded) 162 (2)
Radar observations (Discarded) 0 (0)
Arc length 7562.1 days
Unobserved 128 days

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Ephemeris at epoch 60420 MJD
Right Ascension 63.764 deg
Declination 13.9389 deg
V Magnitude 23.05 mag
Solar Elongation -34.96 deg
Galactic Latitude -25.78 deg
Rate 0.365 deg/day
Direction 76.631 deg

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