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AstDyS ∴ Objects ∴ 1999TH189 ∴ Summary
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(121445) 1999TH189  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.08321 4.345e-08 au
e 0.060002 7.699e-08
i 9.314 8.106e-06 deg
Ω 289.778 4.886e-05 deg
ω 174.465 8.595e-05 deg
M 117.6 7.163e-05 deg

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Other useful info
Absolute Magnitude (H)    14.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8982 au
Aphelion 3.2682 au
Asc. node-Earth separation 2.2498 au
Desc. node-Earth separation 1.91459 au
Earth MOID 1.91413 au
Orbital period 1977.44 days
Date of orbit computation  Oct 31 06:12
Observational summary
Optical observations (Discarded) 450 (2)
Radar observations (Discarded) 0 (0)
Arc length 6769 days
Unobserved 328 days

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Ephemeris at epoch 58561 MJD
Right Ascension 273.324 deg
Declination -28.8555 deg
V Magnitude 20.58 mag
Solar Elongation 84.94 deg
Galactic Latitude -5.22 deg
Rate 0.189 deg/day
Direction 89.357 deg

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