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2012HE31  ▹ 
SUMMARY

This object is currently included in the Risk list

Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.38278 0.0003453 au
e 0.392696 0.0002461
i 0.531 0.0006118 deg
Ω 10.846 0.0007403 deg
ω 274.798 0.005255 deg
M 89.544 1.218 deg

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Other useful info
Absolute Magnitude (H)    26.0 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8398 au
Aphelion distance 1.9258 au
Asc. node-Earth separation 0.13177 au
Desc. node-Earth separation 0.21121 au
Earth MOID 0.00316 au
Orbital period 593.921 days
Date of orbit computation   feb 26 11:10
Observational summary
Optical observations (Discarded) 24 (0)
Radar observations (Discarded) 0 (0)
Arc length 16 days
Unobserved 4343 days

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Ephemeris
(Epoch 60389 MJD)
Right Ascension 29.1472 deg
Declination 12.171 deg
V Magnitude 29.69 mag
Solar Elongation -31.84 deg
Galactic Latitude -47.64 deg
Rate 0.7 deg/day
Direction 69.515 deg

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