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NEODyS ∴ Objects ∴ 2009HL21 ∴ Summary
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2009HL21  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 1.6629 0.0004292 au
e 0.444302 0.0001503
i 1.008 0.0002805 deg
Ω 144.371 0.00451 deg
ω 9.386 0.006538 deg
M 78.657 0.5974 deg

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Other useful info
Absolute Magnitude (H)    22.4 mag
Slope parameter (G)    0.15 mag
Perihelion 0.9241 au
Aphelion 2.4017 au
Asc. node-Earth separation -0.05975 au
Desc. node-Earth separation 1.36342 au
Earth MOID 0.00792 au
Orbital period 783.244 days
Date of orbit computation   Mar 13 11:12
Observational summary
Optical observations (Discarded) 128 (0)
Radar observations (Discarded) 0 (0)
Arc length 40 days
Unobserved 3398 days

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Ephemeris at epoch 58380 MJD
Right Ascension 309.749 deg
Declination -18.4718 deg
V Magnitude 26.29 mag
Solar Elongation -131.57 deg
Galactic Latitude -31.75 deg
Rate 0.106 deg/day
Direction -107.455 deg

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