AstDyS-2

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AstDyS ∴ Objects ∴ 2009HH20 ∴ Summary
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(257283) 2009HH20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.8564 2.189e-08 au
e 0.268042 5.953e-08
i 6.9 1.066e-05 deg
Ω 202.1 5.208e-05 deg
ω 73.416 5.799e-05 deg
M 354.488 2.054e-05 deg

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Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0908 au
Aphelion 3.622 au
Asc. node-Earth separation 1.4602 au
Desc. node-Earth separation 1.87467 au
Earth MOID 1.08722 au
Orbital period 1763.31 days
Date of orbit computation  apr 23 20:44
Observational summary
Optical observations (Discarded) 145 (3)
Radar observations (Discarded) 0 (0)
Arc length 8758.97 days
Unobserved 408 days

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Ephemeris at epoch 60426 MJD
Right Ascension 304.471 deg
Declination -11.7931 deg
V Magnitude 21.3 mag
Solar Elongation 91.91 deg
Galactic Latitude -24.46 deg
Rate 0.369 deg/day
Direction 67.509 deg

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