HR 8799 D
| Use attributes for filter ! | |
| Discovered | November 13, 2008 |
|---|---|
| Orbital period | 112 years |
| Orbits | HR 8799 |
| Discovered by | Marois et al |
| Temperature | 1090+10; −90 |
| Discovery site | Keck Observatory |
| Gemini Observatory | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2965851 |
About HR 8799 D
HR 8799 d 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 5 and 10 Jupiter masses and a radius from 20 to 30% larger than Jupiter's.
