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NEODyS ∴ Objects ∴ 2009HC21 ∴ Summary
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2009HC21  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 1.16839 8.077e-09 au
e 0.157099 1.251e-07
i 19.354 1.169e-05 deg
Ω 213.315 8.225e-06 deg
ω 126.914 2.92e-05 deg
M 111.672 4.452e-05 deg

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Other useful info
Absolute Magnitude (H)    22.1 mag
Slope parameter (G)    0.15 mag
Perihelion 0.9848 au
Aphelion 1.3519 au
Asc. node-Earth separation 0.25387 au
Desc. node-Earth separation 0.04781 au
Earth MOID 0.0445 au
Orbital period 461.295 days
Date of orbit computation   Oct 9 18:47
Observational summary
Optical observations (Discarded) 72 (1)
Radar observations (Discarded) 0 (0)
Arc length 1799 days
Unobserved 1363 days

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Ephemeris at epoch 58103 MJD
Right Ascension 202.569 deg
Declination -21.3316 deg
V Magnitude 25.31 mag
Solar Elongation 55.91 deg
Galactic Latitude 40.64 deg
Rate 0.711 deg/day
Direction 105.948 deg

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