The HD 217107 System
2 planets
Pisces
HD 217107 is a planetary system in the constellation Pisces hosting 2 confirmed exoplanets, about 65 light-years from Earth.
HD 217107: Star and Habitable Zone
HD 217107
- Spectral type
- G
- Mass
- 1.05 M☉
- Radius
- 1.22 R☉
- Age
- 11.9 billion years (Sun: 4.6)
All 2 Planets in the HD 217107 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 217107 b | Hot Jupiter | 7.1 d | — | 0.07 | 1998 |
| HD 217107 c | Cold Gas Giant | 5,139 d | — | 0.12 | 2005 |
Discovery History
The first planet found here, HD 217107 b, was discovered in 1998 using the radial velocity method. The most recent addition, HD 217107 c, followed in 2005.
- 1998 — HD 217107 b (Radial Velocity)
- 2005 — HD 217107 c (Radial Velocity)
Frequently Asked Questions About HD 217107
How many planets does HD 217107 have?
HD 217107 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 217107 system habitable?
None of the known planets in HD 217107 orbit within the star's habitable zone.
How far away is HD 217107?
HD 217107 is about 65 light-years from Earth in the constellation Pisces.