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AstDyS ∴ Objects ∴ 2011HF9 ∴ Summary
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2011HF9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.37721 2.188e-08 au
e 0.186498 7.111e-08
i 12.02 1.042e-05 deg
Ω 56.346 3.513e-05 deg
ω 88.178 4.996e-05 deg
M 238.479 3.274e-05 deg

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Other useful info
Absolute Magnitude (H)    18.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9339 au
Aphelion 2.8206 au
Asc. node-Earth separation 1.29353 au
Desc. node-Earth separation 1.29664 au
Earth MOID 0.98985 au
Orbital period 1338.75 days
Date of orbit computation  feb 22 07:47
Observational summary
Optical observations (Discarded) 111 (0)
Radar observations (Discarded) 0 (0)
Arc length 4608.9 days
Unobserved 690 days

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Ephemeris at epoch 60420 MJD
Right Ascension 17.9654 deg
Declination 0.91104 deg
V Magnitude 23.38 mag
Solar Elongation 14.52 deg
Galactic Latitude -61.53 deg
Rate 0.425 deg/day
Direction 64.977 deg

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