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2009HD21  ▹ 
SUMMARY
Keplerian elements
(Epoch 60000.0 MJD)
Value 1-σ variation Units
a 2.77099 1.444e-08 au
e 0.687958 2.55e-08
i 18.651 2.119e-05 deg
Ω 179.213 2.083e-05 deg
ω 134.302 2.123e-05 deg
M 335.066 8.492e-06 deg

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Other useful info
Absolute Magnitude (H)    18.3 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8647 au
Aphelion distance 4.6773 au
Asc. node-Earth separation 1.8139 au
Desc. node-Earth separation -0.01896 au
Earth MOID 0.01276 au
Orbital period 1684.81 days
Date of orbit computation   mar 19 14:06
Observational summary
Optical observations (Discarded) 153 (1)
Radar observations (Discarded) 0 (0)
Arc length 5107 days
Unobserved 8 days

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Ephemeris
(Epoch 60030 MJD)
Right Ascension 262.897 deg
Declination -2.43232 deg
V Magnitude 20.51 mag
Solar Elongation 102.45 deg
Galactic Latitude 16.51 deg
Rate 0.933 deg/day
Direction 66.688 deg

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