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(589155) 2009HE31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.40239 2.488e-08 au
e 0.186882 1.375e-07
i 7.734 1.098e-05 deg
Ω 187.008 6.121e-05 deg
ω 348.257 7.085e-05 deg
M 21.581 3.218e-05 deg

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Other useful info
Absolute Magnitude (H)    18.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9534 au
Aphelion 2.8514 au
Asc. node-Earth separation 0.96195 au
Desc. node-Earth separation 1.83688 au
Earth MOID 0.95874 au
Orbital period 1360.08 days
Date of orbit computation  apr 23 21:53
Observational summary
Optical observations (Discarded) 82 (2)
Radar observations (Discarded) 0 (0)
Arc length 5478.12 days
Unobserved 541 days

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Ephemeris at epoch 60427 MJD
Right Ascension 216.428 deg
Declination -6.44582 deg
V Magnitude 20.32 mag
Solar Elongation -172.41 deg
Galactic Latitude 49.41 deg
Rate 0.251 deg/day
Direction -52.708 deg

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