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2009HL21  ▹ 
SUMMARY
Keplerian elements
(Epoch 60600.0 MJD)
Value 1-σ variation Units
a 1.66395 1.266e-08 au
e 0.444524 1.322e-06
i 1.01 9.093e-06 deg
Ω 144.322 0.001843 deg
ω 9.469 0.002045 deg
M 100.696 5.895e-05 deg

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Other useful info
Absolute Magnitude (H)    22.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9243 au
Aphelion distance 2.4036 au
Asc. node-Earth separation -0.05752 au
Desc. node-Earth separation 1.36453 au
Earth MOID 0.00769 au
Orbital period 783.984 days
Date of orbit computation   Jul 29 11:11
Observational summary
Optical observations (Discarded) 138 (1)
Radar observations (Discarded) 0 (0)
Arc length 5496 days
Unobserved 158 days

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Ephemeris
(Epoch 60596 MJD)
Right Ascension 267.796 deg
Declination -22.9615 deg
V Magnitude 26.92 mag
Solar Elongation -68.16 deg
Galactic Latitude 2.01 deg
Rate 0.451 deg/day
Direction 91.657 deg

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