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AstDyS ∴ Objects ∴ 1998JC4 ∴ Summary
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(17854) 1998JC4  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.06549 2.12e-08 au
e 0.080469 4.511e-08
i 8.953 5.346e-06 deg
Ω 213.777 3.051e-05 deg
ω 211.5 4.852e-05 deg
M 94.736 3.592e-05 deg

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Other useful info
Absolute Magnitude (H)    12.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8188 au
Aphelion 3.3122 au
Asc. node-Earth separation 2.26257 au
Desc. node-Earth separation 1.85616 au
Earth MOID 1.83518 au
Orbital period 1960.42 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1482 (8)
Radar observations (Discarded) 0 (0)
Arc length 9518.28 days
Unobserved 246 days

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Ephemeris at epoch 58500 MJD
Right Ascension 201.401 deg
Declination -13.6576 deg
V Magnitude 18.4 mag
Solar Elongation 91.44 deg
Galactic Latitude 48.38 deg
Rate 0.158 deg/day
Direction 110.361 deg

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