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AstDyS ∴ Objects ∴ 1999HE9 ∴ Summary
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(17080) 1999HE9  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.99259 1.796e-08 au
e 0.113827 5.034e-08
i 9.892 5.597e-06 deg
Ω 215.219 2.765e-05 deg
ω 149.399 3.705e-05 deg
M 117.327 2.402e-05 deg

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Other useful info
Absolute Magnitude (H)    13.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.652 au
Aphelion 3.3332 au
Asc. node-Earth separation 2.26675 au
Desc. node-Earth separation 1.69674 au
Earth MOID 1.65591 au
Orbital period 1890.91 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1275 (6)
Radar observations (Discarded) 0 (0)
Arc length 13710.8 days
Unobserved 361 days

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Ephemeris at epoch 58568 MJD
Right Ascension 148.481 deg
Declination 1.04049 deg
V Magnitude 18.51 mag
Solar Elongation -143.97 deg
Galactic Latitude 40.11 deg
Rate 0.141 deg/day
Direction -45.832 deg

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