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AstDyS ∴ Objects ∴ 2009HW89 ∴ Summary
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(312587) 2009HW89  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.63783 3.599e-08 au
e 0.203719 6.683e-08
i 6.002 7.867e-06 deg
Ω 51.37 0.0001001 deg
ω 177.999 0.0001029 deg
M 71.399 2.819e-05 deg

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Other useful info
Absolute Magnitude (H)    16.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1005 au
Aphelion 3.1752 au
Asc. node-Earth separation 2.18505 au
Desc. node-Earth separation 1.08881 au
Earth MOID 1.08876 au
Orbital period 1564.83 days
Date of orbit computation  Dec 20 14:48
Observational summary
Optical observations (Discarded) 155 (0)
Radar observations (Discarded) 0 (0)
Arc length 5305.03 days
Unobserved 258 days

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Ephemeris at epoch 58580 MJD
Right Ascension 6.30839 deg
Declination -1.02487 deg
V Magnitude 22.38 mag
Solar Elongation 11.76 deg
Galactic Latitude -63.15 deg
Rate 0.384 deg/day
Direction 65.68 deg

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