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BD +20 2457 b

Proper NameNone
DesignationsBD +20 2457 b
ClassificationProbably gas giant
Orbital Period1 year, 14 days
Mean Distance from BD +20 2457216.9 million km
1.45 AU
Mass13.0 x Jupiter (uncertain)*
DiameterNot known
TemperatureNot known
Parent starBD +20 2457, orange bright giant in Leo
Other planets in this systemBD +20 2457 c, probable gas giant

Imagery provided by Aladin sky atlas

* The mass of this planet is highly uncertain, and subject to ongoing investigation. After its initial discovery, the planet was calculated to have a very considerable minimum mass, more than twenty times that of Jupiter. Further review of the data showed that this extreme mass was unlikely, and a mass of thirteen times that of Jupiter is now usually suggested, but some sources prefer a lower mass still, only a little greater than that of Jupiter.

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