The HAT-P-11 System
2 planets
Cygnus
HAT-P-11 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 123 light-years from Earth.
HAT-P-11: Star and Habitable Zone
HAT-P-11
- Mass
- 0.81 M☉
All 2 Planets in the HAT-P-11 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HAT-P-11 b | Neptune-like | 4.9 d | — | 0.18 | 2008 |
| HAT-P-11 c | Cold Gas Giant | 3,361 d | — | 0.09 | 2018 |
Discovery History
The first planet found here, HAT-P-11 b, was discovered in 2008 using the transit method. The most recent addition, HAT-P-11 c, followed in 2018.
- 2008 — HAT-P-11 b (Transit)
- 2018 — HAT-P-11 c (Radial Velocity)
Frequently Asked Questions About HAT-P-11
How many planets does HAT-P-11 have?
HAT-P-11 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HAT-P-11 system habitable?
None of the known planets in HAT-P-11 orbit within the star's habitable zone.
How far away is HAT-P-11?
HAT-P-11 is about 123 light-years from Earth in the constellation Cygnus.
Explore the HAT-P-11 system in the app
Browse, filter and compare 6,000+ exoplanets on iPhone, iPad and Apple Watch — with habitable-zone views, widgets and offline data.
