Science Fair Project Encyclopedia
GQ Lupi b
One reason why it was possible to image the planet is because of its great distance from its primary star, about 20 times the distance of Jupiter from our Sun (about 100 AU). The mass is not known, but is believed to be about 2.4 Jupiter masses, though it could possibly range from 1–42 Jupiter masses; the orbital period may be as much as 1200 years.
There remains some lingering skepticism among some astronomers as to whether GQ Lupi b may in fact be a brown dwarf rather than a planet, and whether or not it is in fact orbiting around GQ Lupi. It has, however, been confirmed that it is moving through space with the same proper motion as GQ Lupi.
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