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AstDyS ∴ Objects ∴ 1998HE100 ∴ Summary
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(11721) 1998HE100  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.77565 1.69e-08 au
e 0.176541 5.019e-08
i 9.216 5.695e-06 deg
Ω 188.331 3.039e-05 deg
ω 157.239 3.381e-05 deg
M 46.808 1.612e-05 deg

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Other useful info
Absolute Magnitude (H)    13.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2856 au
Aphelion 3.2657 au
Asc. node-Earth separation 2.21185 au
Desc. node-Earth separation 1.31156 au
Earth MOID 1.28149 au
Orbital period 1689.06 days
Date of orbit computation  Oct 31 05:03
Observational summary
Optical observations (Discarded) 1291 (15)
Radar observations (Discarded) 0 (0)
Arc length 15367.7 days
Unobserved 85 days

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Ephemeris at epoch 58499 MJD
Right Ascension 54.5108 deg
Declination 8.27714 deg
V Magnitude 18.45 mag
Solar Elongation -118.34 deg
Galactic Latitude -36.33 deg
Rate 0.071 deg/day
Direction 38.415 deg

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