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NEODyS ∴ Objects ∴ 2009HC21 ∴ Summary
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2009HC21  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 1.16842 1.338e-08 au
e 0.157024 1.903e-07
i 19.353 2.056e-05 deg
Ω 213.314 1.408e-05 deg
ω 126.925 4.632e-05 deg
M 63.819 7.725e-05 deg

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Other useful info
Absolute Magnitude (H)    22.1 mag
Slope parameter (G)    0.15 mag
Perihelion 0.9849 au
Aphelion 1.3519 au
Asc. node-Earth separation 0.25096 au
Desc. node-Earth separation 0.04735 au
Earth MOID 0.04411 au
Orbital period 461.314 days
Date of orbit computation   Oct 1 17:51
Observational summary
Optical observations (Discarded) 72 (0)
Radar observations (Discarded) 0 (0)
Arc length 1799 days
Unobserved 1702 days

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Ephemeris at epoch 58442 MJD
Right Ascension 142.846 deg
Declination -14.5445 deg
V Magnitude 23.91 mag
Solar Elongation 87.21 deg
Galactic Latitude 26.05 deg
Rate 0.658 deg/day
Direction 142.881 deg

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