Originally posted by googlefudgeYeah, I just stuck my finger in the air and did an estimate. Even 2.2 X jupiter makes it about 300,000 km wide. A giant by any means.
Assuming similar density then you would expect it to have 11 times the volume or appx 2.22 times the radius.
You can get all the details from the pre-publication article here
http://arxiv.org/pdf/1312.1265v1.pdf