AstDyS-2

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AstDyS ∴ Objects ∴ 2009HL ∴ Summary
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(312561) 2009HL  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.34836 3.005e-08 au
e 0.12621 1.391e-07
i 23.848 1.097e-05 deg
Ω 43.372 1.856e-05 deg
ω 156.533 4.137e-05 deg
M 241.13 2.825e-05 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.052 au
Aphelion 2.6447 au
Asc. node-Earth separation 1.62205 au
Desc. node-Earth separation 1.0612 au
Earth MOID 1.0553 au
Orbital period 1314.45 days
Date of orbit computation  Dec 20 14:48
Observational summary
Optical observations (Discarded) 212 (1)
Radar observations (Discarded) 0 (0)
Arc length 4583.02 days
Unobserved 1049 days

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Ephemeris at epoch 58580 MJD
Right Ascension 87.1701 deg
Declination 45.2299 deg
V Magnitude 21.43 mag
Solar Elongation -72.61 deg
Galactic Latitude 8.87 deg
Rate 0.359 deg/day
Direction 99.616 deg

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