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Dimidium

51 Pegasi b, ‘Bellerophon’

Proper NamesDimidium; originally provisionally named ‘Bellerophon’
Designation51 Pegasi b
ClassificationGas Giant
Orbital Period4.23 days
Mean Distance from 51 Pegasi7 million km
0.05 AU
Mass0.46 x Jupiter
Diameter> 1.6 x Jupiter
Mean Surface Temperature1,260 K

The designation given to the large world thought to orbit Helvetios or 51 Pegasi, a yellow star fifty light years away from Earth's solar system.

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