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AstDyS ∴ Objects ∴ 2001HA31 ∴ Summary
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(108216) 2001HA31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.55329 1.429e-08 au
e 0.238684 6.926e-08
i 5.505 6.983e-06 deg
Ω 192.787 3.439e-05 deg
ω 231.131 4.079e-05 deg
M 357.58 2.334e-05 deg

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Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9439 au
Aphelion 3.1627 au
Asc. node-Earth separation 1.8325 au
Desc. node-Earth separation 1.09499 au
Earth MOID 0.96272 au
Orbital period 1490.21 days
Date of orbit computation  apr 23 20:11
Observational summary
Optical observations (Discarded) 1140 (7)
Radar observations (Discarded) 0 (0)
Arc length 11635.8 days
Unobserved 139 days

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Ephemeris at epoch 60426 MJD
Right Ascension 57.1784 deg
Declination 16.7515 deg
V Magnitude 20.43 mag
Solar Elongation -22.97 deg
Galactic Latitude -28.57 deg
Rate 0.589 deg/day
Direction 78.489 deg

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