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2009HC21  ▹ 
SUMMARY
Keplerian elements
(Epoch 60600.0 MJD)
Value 1-σ variation Units
a 1.16828 1.388e-08 au
e 0.156902 2.348e-07
i 19.354 2.086e-05 deg
Ω 213.29 1.491e-05 deg
ω 126.903 5.672e-05 deg
M 340.818 0.0001189 deg

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Other useful info
Absolute Magnitude (H)    22.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.985 au
Aphelion distance 1.3516 au
Asc. node-Earth separation 0.25434 au
Desc. node-Earth separation 0.0475 au
Earth MOID 0.04423 au
Orbital period 461.233 days
Date of orbit computation   Jul 29 11:13
Observational summary
Optical observations (Discarded) 72 (0)
Radar observations (Discarded) 0 (0)
Arc length 1799 days
Unobserved 3836 days

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Ephemeris
(Epoch 60576 MJD)
Right Ascension 235.032 deg
Declination -3.09119 deg
V Magnitude 24.52 mag
Solar Elongation -54.98 deg
Galactic Latitude 39.35 deg
Rate 0.886 deg/day
Direction 99.518 deg

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