HR 8799 B
| Use attributes for filter ! | |
| Discovered | November 13, 2008 |
|---|---|
| Orbital period | 450 years |
| Orbits | HR 8799 |
| Temperature | 870+30; −70 |
| Discoverers | Keck Observatory |
| Gemini Observatory | |
| Discovery site | Hawaii |
| Keck Observatory | |
| Gemini Observatory | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2238800 |
About HR 8799 B
HR 8799 b is an extrasolar planet located approximately 129 light-years away in the constellation of Pegasus, orbiting the 6th magnitude Lambda Boötis star HR 8799. It has a mass between 4 and 7 Jupiter masses and a radius from 10 to 30% larger than Jupiter's.
HR 8799 b Photos
