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AstDyS ∴ Objects ∴ 1999TW198 ∴ Summary
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(121452) 1999TW198  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.74353 2.524e-08 au
e 0.06255 1.221e-07
i 12.273 1.263e-05 deg
Ω 357.021 2.828e-05 deg
ω 29.06 6.707e-05 deg
M 68.518 5.72e-05 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5719 au
Aphelion 2.9151 au
Asc. node-Earth separation 1.58672 au
Desc. node-Earth separation 1.89395 au
Earth MOID 1.57872 au
Orbital period 1659.83 days
Date of orbit computation  Oct 31 06:12
Observational summary
Optical observations (Discarded) 416 (4)
Radar observations (Discarded) 0 (0)
Arc length 6689.98 days
Unobserved 410 days

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Ephemeris at epoch 58564 MJD
Right Ascension 123.703 deg
Declination 30.1576 deg
V Magnitude 20.18 mag
Solar Elongation -117.87 deg
Galactic Latitude 30.19 deg
Rate 0.105 deg/day
Direction 173.361 deg

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