HD 7924 b
HD 7924 b's orbit compared to Mercury's (0.38AU). | |
| Discovery | |
|---|---|
| Discovered by | Howard et al. |
| Discovery date | January 28, 2009 |
| radial velocity | |
| Orbital characteristics | |
| 0.057 AU (8,500,000 km) | |
| Eccentricity | 0.17 ± 0.16 |
| 5.3978 ± 0.0015 d | |
| 4727.27 ± 0.87 | |
| 25 ± 60 | |
| Star | HD 7924 |
HD 7924 b is an extrasolar planet located approximately 55 light years away in the constellation of Cassiopeia, orbiting the 7th magnitude K-type main sequence (slightly metal poor) star HD 7924. It was published on January 28, 2009 and is the second planet discovered in the constellation Cassiopeia. Two additional planets in this system were discovered in 2015.