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AstDyS ∴ Objects ∴ 1999JS55 ∴ Summary
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(17979) 1999JS55  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.78439 1.669e-08 au
e 0.135668 4.146e-08
i 10.218 4.564e-06 deg
Ω 86.706 2.782e-05 deg
ω 215.26 3.385e-05 deg
M 12.817 1.922e-05 deg

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Other useful info
Absolute Magnitude (H)    13.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4066 au
Aphelion 3.1621 au
Asc. node-Earth separation 2.08896 au
Desc. node-Earth separation 1.44339 au
Earth MOID 1.39777 au
Orbital period 1697.05 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1507 (13)
Radar observations (Discarded) 0 (0)
Arc length 10402.5 days
Unobserved 87 days

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Ephemeris at epoch 58501 MJD
Right Ascension 337.602 deg
Declination -17.7335 deg
V Magnitude 18.73 mag
Solar Elongation -36.13 deg
Galactic Latitude -56.21 deg
Rate 0.455 deg/day
Direction 66.857 deg

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