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AstDyS ∴ Objects ∴ 2009HW16 ∴ Summary
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(400650) 2009HW16  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.69697 2.152e-08 au
e 0.197616 8.299e-08
i 13.101 8.804e-06 deg
Ω 187.608 3.564e-05 deg
ω 322.276 4.926e-05 deg
M 167.66 2.559e-05 deg

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Other useful info
Absolute Magnitude (H)    17.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.164 au
Aphelion 3.2299 au
Asc. node-Earth separation 1.24321 au
Desc. node-Earth separation 2.07113 au
Earth MOID 1.18878 au
Orbital period 1617.75 days
Date of orbit computation  apr 23 21:15
Observational summary
Optical observations (Discarded) 131 (1)
Radar observations (Discarded) 0 (0)
Arc length 6146.88 days
Unobserved 751 days

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Ephemeris at epoch 60425 MJD
Right Ascension 339.4 deg
Declination -0.43388 deg
V Magnitude 23.71 mag
Solar Elongation 54.51 deg
Galactic Latitude -48.24 deg
Rate 0.283 deg/day
Direction 67.671 deg

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