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AstDyS ∴ Objects ∴ 2009HH81 ∴ Summary
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(312583) 2009HH81  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.61941 3.28e-08 au
e 0.122308 5.713e-08
i 13.151 7.095e-06 deg
Ω 132.57 2.609e-05 deg
ω 88.912 4.175e-05 deg
M 76.902 3.57e-05 deg

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Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.299 au
Aphelion 2.9398 au
Asc. node-Earth separation 1.58759 au
Desc. node-Earth separation 1.57122 au
Earth MOID 1.3354 au
Orbital period 1548.48 days
Date of orbit computation  Dec 20 14:48
Observational summary
Optical observations (Discarded) 359 (4)
Radar observations (Discarded) 0 (0)
Arc length 7674.43 days
Unobserved 407 days

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Ephemeris at epoch 58580 MJD
Right Ascension 0.28383 deg
Declination -6.62817 deg
V Magnitude 21.46 mag
Solar Elongation 19.97 deg
Galactic Latitude -66.27 deg
Rate 0.4 deg/day
Direction 71.379 deg

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