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AstDyS ∴ Objects ∴ 1999WR18 ∴ Summary
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(121650) 1999WR18  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.1127 3.147e-08 au
e 0.177254 8.183e-08
i 1.145 7.293e-06 deg
Ω 51.108 0.00039 deg
ω 341.666 0.0003913 deg
M 172.49 2.926e-05 deg

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Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.561 au
Aphelion 3.6644 au
Asc. node-Earth separation 1.59064 au
Desc. node-Earth separation 2.61359 au
Earth MOID 1.56644 au
Orbital period 2005.88 days
Date of orbit computation  Oct 31 06:13
Observational summary
Optical observations (Discarded) 324 (5)
Radar observations (Discarded) 0 (0)
Arc length 6774.81 days
Unobserved 338 days

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Ephemeris at epoch 58568 MJD
Right Ascension 240.274 deg
Declination -20.5778 deg
V Magnitude 21.78 mag
Solar Elongation 122.44 deg
Galactic Latitude 23.8 deg
Rate 0.017 deg/day
Direction -88.38 deg

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