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AstDyS ∴ Objects ∴ 1999JR54 ∴ Summary
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(17977) 1999JR54  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.66342 1.421e-08 au
e 0.243884 5.099e-08
i 12.939 5.69e-06 deg
Ω 34.065 2.032e-05 deg
ω 308.587 2.231e-05 deg
M 89.71 8.08e-06 deg

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Other useful info
Absolute Magnitude (H)    14.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0139 au
Aphelion 3.313 au
Asc. node-Earth separation 1.18038 au
Desc. node-Earth separation 1.94696 au
Earth MOID 1.03476 au
Orbital period 1587.66 days
Date of orbit computation  Oct 31 05:07
Observational summary
Optical observations (Discarded) 1378 (8)
Radar observations (Discarded) 0 (0)
Arc length 9892.52 days
Unobserved 95 days

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Ephemeris at epoch 58499 MJD
Right Ascension 125.136 deg
Declination 38.9483 deg
V Magnitude 18.44 mag
Solar Elongation 160.89 deg
Galactic Latitude 33.3 deg
Rate 0.234 deg/day
Direction -73.986 deg

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