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NEODyS ∴ Objects ∴ 2009HC21 ∴ Summary
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2009HC21  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 1.16843 1.35e-08 au
e 0.157022 1.903e-07
i 19.354 2.056e-05 deg
Ω 213.315 1.408e-05 deg
ω 126.906 4.632e-05 deg
M 267.759 7.479e-05 deg

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Other useful info
Absolute Magnitude (H)    22.1 mag
Slope parameter (G)    0.15 mag
Perihelion 0.985 au
Aphelion 1.3519 au
Asc. node-Earth separation 0.25284 au
Desc. node-Earth separation 0.04672 au
Earth MOID 0.04351 au
Orbital period 461.322 days
Date of orbit computation   Mar 13 11:10
Observational summary
Optical observations (Discarded) 72 (0)
Radar observations (Discarded) 0 (0)
Arc length 1799 days
Unobserved 1644 days

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Ephemeris at epoch 58384 MJD
Right Ascension 109.58 deg
Declination 16.2089 deg
V Magnitude 24.07 mag
Solar Elongation 70.9 deg
Galactic Latitude 13.14 deg
Rate 0.869 deg/day
Direction 124.863 deg

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