16 Cygni Bb
| Use attributes for filter ! | |
| Discovered | October 22, 1996 |
|---|---|
| Discovery site | United States |
| Orbits | 16 Cygni |
| Orbital period | 798. 5 ± 1. 0 d |
| Semi-major axis | 1. 681 ± 0. 097 AU (251,500,000 ± 14,500,000 km) |
| Discoverers | Geoffrey Marcy |
| R. Paul Butler | |
| Artie P. Hatzes | |
| William D. Cochran | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2198840 |
About 16 Cygni Bb
16 Cygni Bb or HD 186427 b is an extrasolar planet approximately 69 light-years away in the constellation of Cygnus. The planet was discovered orbiting the Sun-like star 16 Cygni B, one of two solar-mass components of the triple star system 16 Cygni.