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2012HE31  ▹ 
SUMMARY

This object is currently included in the Risk list

Keplerian elements
(Epoch 59600.0 MJD)
Value 1-σ variation Units
a 1.38266 0.0003551 au
e 0.392739 0.0002456
i 0.532 0.0005007 deg
Ω 10.802 0.01258 deg
ω 274.862 0.01785 deg
M 324.552 1.035 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 0.13163 au
Desc. node-Earth separation 0.21182 au
Earth MOID 0.00316 au
Orbital period 593.842 days
Date of orbit computation   Oct 20 10:36
Observational summary
Optical observations (Discarded) 24 (0)
Radar observations (Discarded) 0 (0)
Arc length 16 days
Unobserved 3553 days

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Ephemeris
(Epoch 59599 MJD)
Right Ascension 251.002 deg
Declination -22.4178 deg
V Magnitude 28.59 mag
Solar Elongation 47.1 deg
Galactic Latitude 15.09 deg
Rate 1.138 deg/day
Direction 97.732 deg

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