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AstDyS ∴ Objects ∴ 1999JS54 ∴ Summary
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(17978) 1999JS54  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.27552 9.233e-09 au
e 0.15961 5.25e-08
i 4.173 4.036e-06 deg
Ω 293.733 7.587e-05 deg
ω 226.729 7.721e-05 deg
M 295.981 1.67e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9123 au
Aphelion 2.6387 au
Asc. node-Earth separation 1.47301 au
Desc. node-Earth separation 1.01408 au
Earth MOID 0.92256 au
Orbital period 1253.77 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1339 (8)
Radar observations (Discarded) 0 (0)
Arc length 8686.99 days
Unobserved 148 days

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Ephemeris at epoch 58560 MJD
Right Ascension 107.502 deg
Declination 20.2578 deg
V Magnitude 18.13 mag
Solar Elongation -109.54 deg
Galactic Latitude 13.03 deg
Rate 0.216 deg/day
Direction 102.738 deg

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