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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2008HW22 ∴ Summary
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(312437) 2008HW22  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.69454 1.734e-08 au
e 0.202834 7.581e-08
i 2.011 7.951e-06 deg
Ω 336.796 0.000231 deg
ω 201.951 0.0002326 deg
M 148.108 2.722e-05 deg

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Other useful info
Absolute Magnitude (H)    17.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.148 au
Aphelion 3.2411 au
Asc. node-Earth separation 2.17267 au
Desc. node-Earth separation 1.18293 au
Earth MOID 1.15035 au
Orbital period 1615.57 days
Date of orbit computation  Dec 20 14:48
Observational summary
Optical observations (Discarded) 164 (3)
Radar observations (Discarded) 0 (0)
Arc length 7100.09 days
Unobserved 371 days

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Ephemeris at epoch 58580 MJD
Right Ascension 6.33038 deg
Declination 3.51228 deg
V Magnitude 22.98 mag
Solar Elongation 9.46 deg
Galactic Latitude -58.72 deg
Rate 0.347 deg/day
Direction 66.058 deg

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