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2009HC21  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.16826 1.389e-08 au
e 0.156959 2.348e-07
i 19.354 2.086e-05 deg
Ω 213.291 1.491e-05 deg
ω 126.905 5.669e-05 deg
M 184.715 0.0001162 deg

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Other useful info
Absolute Magnitude (H)    22.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9849 au
Aphelion distance 1.3516 au
Asc. node-Earth separation 0.2524 au
Desc. node-Earth separation 0.04815 au
Earth MOID 0.04483 au
Orbital period 461.218 days
Date of orbit computation   feb 26 10:46
Observational summary
Optical observations (Discarded) 72 (0)
Radar observations (Discarded) 0 (0)
Arc length 1799 days
Unobserved 3684 days

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Ephemeris
(Epoch 60424 MJD)
Right Ascension 127.065 deg
Declination -0.47191 deg
V Magnitude 24.06 mag
Solar Elongation -95.31 deg
Galactic Latitude 21.17 deg
Rate 0.635 deg/day
Direction 62.948 deg

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