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AstDyS ∴ Objects ∴ Tietjen ∴ Summary
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(2158) Tietjen  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.07031 1.569e-08 au
e 0.182418 3.482e-08
i 1.586 4.286e-06 deg
Ω 187.32 0.0001383 deg
ω 101.572 0.0001389 deg
M 315.245 1.479e-05 deg

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Other useful info
Absolute Magnitude (H)    11.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5102 au
Aphelion 3.6304 au
Asc. node-Earth separation 2.08079 au
Desc. node-Earth separation 1.86214 au
Earth MOID 1.49336 au
Orbital period 1965.04 days
Date of orbit computation  Oct 31 04:56
Observational summary
Optical observations (Discarded) 2470 (31)
Radar observations (Discarded) 0 (0)
Arc length 32829.3 days
Unobserved 123 days

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Ephemeris at epoch 58462 MJD
Right Ascension 244.094 deg
Declination -20.3463 deg
V Magnitude 16.97 mag
Solar Elongation 11.83 deg
Galactic Latitude 21.34 deg
Rate 0.452 deg/day
Direction 99.565 deg

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