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2012HE31  ▹ 
SUMMARY

This object is currently included in the Risk list

Keplerian elements
(Epoch 59200.0 MJD)
Value 1-σ variation Units
a 1.38259 0.0003531 au
e 0.392881 0.0002454
i 0.532 0.0005006 deg
Ω 10.793 0.01259 deg
ω 274.857 0.01768 deg
M 82.092 0.9419 deg

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Other useful info
Absolute Magnitude (H)    26.0 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.8394 au
Aphelion distance 1.9258 au
Asc. node-Earth separation 0.12837 au
Desc. node-Earth separation 0.21182 au
Earth MOID 0.00307 au
Orbital period 593.795 days
Date of orbit computation   Mar 19 09:09
Observational summary
Optical observations (Discarded) 24 (0)
Radar observations (Discarded) 0 (0)
Arc length 16 days
Unobserved 3298 days

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Ephemeris
(Epoch 59344 MJD)
Right Ascension 82.8378 deg
Declination 23.6583 deg
V Magnitude 30.45 mag
Solar Elongation -34.17 deg
Galactic Latitude -5.52 deg
Rate 0.502 deg/day
Direction 87.265 deg

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