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AstDyS ∴ Objects ∴ 2001HA9 ∴ Summary
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(51580) 2001HA9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.61071 8.568e-09 au
e 0.162143 3.572e-08
i 3.417 4.186e-06 deg
Ω 163.9 6.868e-05 deg
ω 98.792 7.007e-05 deg
M 126.841 1.427e-05 deg

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Other useful info
Absolute Magnitude (H)    15.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1874 au
Aphelion 3.034 au
Asc. node-Earth separation 1.61533 au
Desc. node-Earth separation 1.47308 au
Earth MOID 1.1749 au
Orbital period 1540.77 days
Date of orbit computation  apr 23 19:57
Observational summary
Optical observations (Discarded) 1269 (5)
Radar observations (Discarded) 0 (0)
Arc length 11178.9 days
Unobserved 87 days

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Ephemeris at epoch 60426 MJD
Right Ascension 42.727 deg
Declination 14.001 deg
V Magnitude 21.03 mag
Solar Elongation -8.87 deg
Galactic Latitude -39.68 deg
Rate 0.384 deg/day
Direction 73.368 deg

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