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AstDyS ∴ Objects ∴ 2009HW1 ∴ Summary
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(251589) 2009HW1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.5826 1.918e-08 au
e 0.125722 4.001e-08
i 4.589 6.844e-06 deg
Ω 172.165 5.561e-05 deg
ω 90.823 6.379e-05 deg
M 170.901 3.425e-05 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2579 au
Aphelion 2.9073 au
Asc. node-Earth separation 1.55272 au
Desc. node-Earth separation 1.53204 au
Earth MOID 1.248 au
Orbital period 1515.95 days
Date of orbit computation  apr 23 20:42
Observational summary
Optical observations (Discarded) 434 (5)
Radar observations (Discarded) 0 (0)
Arc length 7739 days
Unobserved 143 days

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Ephemeris at epoch 60441 MJD
Right Ascension 74.2661 deg
Declination 19.1142 deg
V Magnitude 22.3 mag
Solar Elongation -24.89 deg
Galactic Latitude -14.66 deg
Rate 0.374 deg/day
Direction 82.911 deg

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