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AstDyS ∴ Objects ∴ Tirso ∴ Summary
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(9009) Tirso  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 2.26433 8.705e-09 au
e 0.14307 3.931e-08
i 2.99 4.35e-06 deg
Ω 81.539 8.195e-05 deg
ω 177.865 8.343e-05 deg
M 8.304 1.57e-05 deg

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Other useful info
Absolute Magnitude (H)    14.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9404 au
Aphelion 2.5883 au
Asc. node-Earth separation 1.60302 au
Desc. node-Earth separation 0.92373 au
Earth MOID 0.9237 au
Orbital period 1244.54 days
Date of orbit computation  Oct 31 05:01
Observational summary
Optical observations (Discarded) 1584 (9)
Radar observations (Discarded) 0 (0)
Arc length 12547 days
Unobserved 170 days

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Ephemeris at epoch 58531 MJD
Right Ascension 324.728 deg
Declination -15.8624 deg
V Magnitude 18.58 mag
Solar Elongation 6.22 deg
Galactic Latitude -44.11 deg
Rate 0.557 deg/day
Direction 71.811 deg

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