HD 178911 Bb
| Discovery | |
|---|---|
| Discovered by | Zucker et al. |
| Discovery date | April 4, 2001 |
| Radial velocity (Echelle) | |
| Orbital characteristics | |
| Apastron | 0.393 AU (58,800,000 km) |
| Periastron | 0.297 AU (44,400,000 km) |
| 0.345 AU (51,600,000 km) | |
| Eccentricity | 0.139 ± 0.14 |
| 71.511 ± 0.011 d 0.19578 y | |
Average orbital speed | 52.7 |
| 2,451,378.23 ± 83 | |
| 172.3 ± 5 | |
| Semi-amplitude | 346.9 ± 4.2 |
| Star | HD 178911 B |
HD 178911 Bb is a planet discovered in 2001 by Zucker who used the radial velocity method. The minimum mass of this giant planet is 7.35 times that of Jupiter that orbits close to the star. The period of the planet is 71.5 days and the semi-amplitude is 346.9 m/s.