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AstDyS ∴ Objects ∴ 2009HW18 ∴ Summary
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(263925) 2009HW18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.76508 2.116e-08 au
e 0.186754 4.677e-08
i 9.305 7.92e-06 deg
Ω 184.094 3.302e-05 deg
ω 96.409 4.056e-05 deg
M 51.796 2.563e-05 deg

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Other useful info
Absolute Magnitude (H)    17.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2487 au
Aphelion 3.2815 au
Asc. node-Earth separation 1.72834 au
Desc. node-Earth separation 1.6125 au
Earth MOID 1.25583 au
Orbital period 1679.43 days
Date of orbit computation  feb 22 02:46
Observational summary
Optical observations (Discarded) 213 (1)
Radar observations (Discarded) 0 (0)
Arc length 7037.27 days
Unobserved 301 days

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Ephemeris at epoch 60420 MJD
Right Ascension 5.08125 deg
Declination 3.18105 deg
V Magnitude 22.29 mag
Solar Elongation 24.17 deg
Galactic Latitude -58.77 deg
Rate 0.437 deg/day
Direction 70.325 deg

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