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AstDyS ∴ Objects ∴ 1989TW ∴ Summary
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(11867) 1989TW  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.22579 8.812e-09 au
e 0.161299 4.048e-08
i 4.637 5.188e-06 deg
Ω 284.689 5.275e-05 deg
ω 84.861 5.627e-05 deg
M 272.161 2.137e-05 deg

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Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8668 au
Aphelion 2.5848 au
Asc. node-Earth separation 1.11914 au
Desc. node-Earth separation 1.21569 au
Earth MOID 0.87228 au
Orbital period 1212.9 days
Date of orbit computation  Oct 31 05:03
Observational summary
Optical observations (Discarded) 1085 (11)
Radar observations (Discarded) 0 (0)
Arc length 10518.2 days
Unobserved 188 days

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Ephemeris at epoch 58503 MJD
Right Ascension 298.349 deg
Declination -20.305 deg
V Magnitude 19.13 mag
Solar Elongation 2.97 deg
Galactic Latitude -22.4 deg
Rate 0.555 deg/day
Direction 77.245 deg

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