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2012HE31  ▹ 
SUMMARY

This object is currently included in the Risk list

Keplerian elements
(Epoch 59000.0 MJD)
Value 1-σ variation Units
a 1.38216 0.0004636 au
e 0.392788 0.0002708
i 0.532 0.0005108 deg
Ω 10.801 0.01006 deg
ω 274.826 0.008146 deg
M 320.826 0.8936 deg

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Other useful info
Absolute Magnitude (H)    26.0 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8393 au
Aphelion distance 1.9251 au
Asc. node-Earth separation 0.13121 au
Desc. node-Earth separation 0.21024 au
Earth MOID 0.00314 au
Orbital period 593.522 days
Date of orbit computation   May 28 12:56
Observational summary
Optical observations (Discarded) 24 (0)
Radar observations (Discarded) 0 (0)
Arc length 16 days
Unobserved 3134 days

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Ephemeris
(Epoch 59180 MJD)
Right Ascension 2.14194 deg
Declination 1.57064 deg
V Magnitude 27.31 mag
Solar Elongation -117.67 deg
Galactic Latitude -59.5 deg
Rate 0.529 deg/day
Direction 66.454 deg

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