Exoplanet XR-77b
A terrestrial world located in the Kepler-186 system, known for its unusual atmospheric composition and potential for liquid water.
Designation: XR-77b
Host Star: Kepler-186 (M-type Red Dwarf)
Orbital Period: 207 Earth Days
Radius: 1.1 Earth Radii
Mass: 1.3 Earth Masses
Surface Gravity: 1.05 G
Estimated Surface Temperature: 290 K (17°C)
Atmospheric Composition: Nitrogen, Oxygen, Trace Argon, Methane
Habitable Zone Status: Within Habitable Zone
Discovery Date: 2042-07-19
Spectral Class: M-type Terrestrial
Discovery Method: Transit Photometry