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2012HE31  ▹ 
SUMMARY

This object is currently included in the Risk list

Keplerian elements
(Epoch 60000.0 MJD)
Value 1-σ variation Units
a 1.38263 0.0003483 au
e 0.39275 0.0002456
i 0.532 0.0004981 deg
Ω 10.805 0.01239 deg
ω 274.842 0.0176 deg
M 207.069 1.127 deg

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Other useful info
Absolute Magnitude (H)    26.0 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8396 au
Aphelion distance 1.9257 au
Asc. node-Earth separation 0.1307 au
Desc. node-Earth separation 0.21018 au
Earth MOID 0.00312 au
Orbital period 593.826 days
Date of orbit computation   dic 21 11:12
Observational summary
Optical observations (Discarded) 24 (0)
Radar observations (Discarded) 0 (0)
Arc length 16 days
Unobserved 3937 days

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Ephemeris
(Epoch 59983 MJD)
Right Ascension 91.5301 deg
Declination 24.3346 deg
V Magnitude 28.68 mag
Solar Elongation -132.76 deg
Galactic Latitude 1.64 deg
Rate 0.171 deg/day
Direction -92.142 deg

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