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AstDyS ∴ Objects ∴ 1999HN8 ∴ Summary
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(31657) 1999HN8  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.32298 7.327e-09 au
e 0.083876 2.781e-08
i 6.886 2.947e-06 deg
Ω 249.956 3.243e-05 deg
ω 330.497 4.062e-05 deg
M 358.566 2.458e-05 deg

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Other useful info
Absolute Magnitude (H)    14.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1281 au
Aphelion 2.5178 au
Asc. node-Earth separation 1.13573 au
Desc. node-Earth separation 1.50308 au
Earth MOID 1.1219 au
Orbital period 1293.2 days
Date of orbit computation  apr 23 19:52
Observational summary
Optical observations (Discarded) 2905 (9)
Radar observations (Discarded) 0 (0)
Arc length 12146.2 days
Unobserved 33 days

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Ephemeris at epoch 60425 MJD
Right Ascension 234.216 deg
Declination -24.4076 deg
V Magnitude 16.69 mag
Solar Elongation 156.76 deg
Galactic Latitude 24.83 deg
Rate 0.188 deg/day
Direction -61.903 deg

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