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AstDyS ∴ Objects ∴ 2009HF57 ∴ Summary
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(312573) 2009HF57  ▹ 
SUMMARY
Keplerian elements at epoch
58800.0 MJD
Value 1-σ variation Units
a 2.56124 2.925e-08 au
e 0.133223 1.16e-07
i 10.893 6.573e-06 deg
Ω 113.302 5.611e-05 deg
ω 104.445 6.116e-05 deg
M 209.431 2.803e-05 deg

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Other useful info
Absolute Magnitude (H)    17.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.22 au
Aphelion 2.9025 au
Asc. node-Earth separation 1.61932 au
Desc. node-Earth separation 1.41962 au
Earth MOID 1.24329 au
Orbital period 1497.18 days
Date of orbit computation  Feb 24 19:36
Observational summary
Optical observations (Discarded) 157 (0)
Radar observations (Discarded) 0 (0)
Arc length 8768.13 days
Unobserved 120 days

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Ephemeris at epoch 58991 MJD
Right Ascension 89.0474 deg
Declination 21.413 deg
V Magnitude 22.68 mag
Solar Elongation -28.08 deg
Galactic Latitude -1.8 deg
Rate 0.399 deg/day
Direction 84.723 deg

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