| HD 215497 b | |
| Discoverer: | Lo Curto et al. |
| Discovery Site: | La Silla Observatory |
| Discovered: | October 19, 2009 |
| Discovery Method: | Radial velocity (HARPS) |
| Apsis: | astron |
| Semimajor: | 0.047AU |
| Eccentricity: | 0.16 ± 0.09 |
| Period: | 3.93404 ± 0.00066 d |
| Time Periastron: | 2,454,858.95 ± 0.37 |
| Arg Peri: | 96 ± 34 |
| Semi-Amplitude: | 2.98 ± 0.34 |
HD 215497 b is an extrasolar planet which orbits the K-type main sequence star HD 215497, located approximately 142 light years away in the constellation Tucana. This planet has at least 6.6 times the mass of Earth. This planet was detected by HARPS on October 19, 2009, together with 29 other planets, including HD 215497 c.