K2-276 b

A confirmed exoplanet orbiting K2-276.

Compared with Earth

Size
About 3.8 times Earth's width.
Temperature
About 310 °C (590 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 19 Earth days.

Planet

Radius
3.77 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
583 K
Starlight received
Unknown
Orbital period
18.72 days
Average distance from its star
0.1291 AU

Star

Host star
K2-276
Spectral class
K — orange dwarf
Surface temperature
5,139 K
Radius
0.85 × Sun
Mass
0.82 × Sun
Age
Unknown

System

Distance from Earth
1,592 light-years (488.2 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2018
Method
Transit
Facility
K2

Data from the NASA Exoplanet Archive, synced October 14, 2026.