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AstDyS ∴ Objects ∴ 2007HJ21 ∴ Summary
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(217554) 2007HJ21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.1714 2.566e-08 au
e 0.140333 5.053e-08
i 13.591 6.032e-06 deg
Ω 34.336 2.209e-05 deg
ω 357.607 3.052e-05 deg
M 189.248 2.019e-05 deg

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Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7264 au
Aphelion 3.6165 au
Asc. node-Earth separation 1.73373 au
Desc. node-Earth separation 2.61003 au
Earth MOID 1.73263 au
Orbital period 2062.89 days
Date of orbit computation  feb 22 02:36
Observational summary
Optical observations (Discarded) 653 (1)
Radar observations (Discarded) 0 (0)
Arc length 9053.21 days
Unobserved 287 days

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Ephemeris at epoch 60420 MJD
Right Ascension 222.591 deg
Declination -18.8139 deg
V Magnitude 20.21 mag
Solar Elongation 164.13 deg
Galactic Latitude 35.77 deg
Rate 0.185 deg/day
Direction -87.529 deg

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