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AstDyS ∴ Objects ∴ 2007HD81 ∴ Summary
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(227978) 2007HD81  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.11375 2.7e-08 au
e 0.118087 6.219e-08
i 5.988 6.45e-06 deg
Ω 31.068 4.556e-05 deg
ω 325.854 5.073e-05 deg
M 254.906 2.207e-05 deg

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Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7461 au
Aphelion 3.4814 au
Asc. node-Earth separation 1.8031 au
Desc. node-Earth separation 2.39801 au
Earth MOID 1.74483 au
Orbital period 2006.89 days
Date of orbit computation  feb 22 02:38
Observational summary
Optical observations (Discarded) 366 (3)
Radar observations (Discarded) 0 (0)
Arc length 7205.9 days
Unobserved 368 days

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Ephemeris at epoch 60420 MJD
Right Ascension 253.517 deg
Declination -26.7427 deg
V Magnitude 21.17 mag
Solar Elongation 134.64 deg
Galactic Latitude 10.62 deg
Rate 0.071 deg/day
Direction -115.47 deg

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