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AstDyS ∴ Objects ∴ 2009BT31 ∴ Summary
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(528789) 2009BT31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.11514 4.472e-08 au
e 0.189851 8.508e-08
i 11.695 1.225e-05 deg
Ω 318.361 4.063e-05 deg
ω 104.704 6.636e-05 deg
M 321.816 4.5e-05 deg

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Other useful info
Absolute Magnitude (H)    16.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5237 au
Aphelion 3.7066 au
Asc. node-Earth separation 2.14152 au
Desc. node-Earth separation 1.87903 au
Earth MOID 1.56852 au
Orbital period 2008.24 days
Date of orbit computation  apr 23 21:42
Observational summary
Optical observations (Discarded) 134 (2)
Radar observations (Discarded) 0 (0)
Arc length 9383.88 days
Unobserved 212 days

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Ephemeris at epoch 60440 MJD
Right Ascension 21.6173 deg
Declination 17.1899 deg
V Magnitude 22.35 mag
Solar Elongation 24.26 deg
Galactic Latitude -44.87 deg
Rate 0.44 deg/day
Direction 64.44 deg

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