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AstDyS ∴ Objects ∴ 1997HP11 ∴ Summary
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(20222) 1997HP11  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.92033 1.064e-08 au
e 0.082014 2.894e-08
i 1.457 3.52e-06 deg
Ω 326.895 0.000127 deg
ω 108.656 0.0001299 deg
M 280.261 2.536e-05 deg

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Other useful info
Absolute Magnitude (H)    14.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6808 au
Aphelion 3.1598 au
Asc. node-Earth separation 1.96699 au
Desc. node-Earth separation 1.83932 au
Earth MOID 1.69677 au
Orbital period 1822.83 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2509 (15)
Radar observations (Discarded) 0 (0)
Arc length 11067 days
Unobserved 167 days

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Ephemeris at epoch 60416 MJD
Right Ascension 358.756 deg
Declination -0.06595 deg
V Magnitude 19.89 mag
Solar Elongation 27.34 deg
Galactic Latitude -59.73 deg
Rate 0.391 deg/day
Direction 65.935 deg

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