K2-419 A b

A confirmed exoplanet orbiting K2-419 A.

Compared with Earth

Size
About 11 times Earth's width.
Mass
About 196 times Earth's mass.
Temperature
About 104 °C (219 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 3.3 times the starlight Earth gets from the Sun.
Year
A year here lasts about 20 Earth days.

Planet

Radius
10.55 × Earth
Mass
196 × Earth
Density
0.916 g/cm³
Equilibrium temperature
377 K
Starlight received
3.3 × Earth
Orbital period
20.36 days
Average distance from its star
0.1208 AU

Star

Host star
K2-419 A
Spectral class
M — red dwarf
Surface temperature
3,711 K
Radius
0.541 × Sun
Mass
0.562 × Sun
Age
7.4 billion years

System

Distance from Earth
876.3 light-years (268.7 parsecs)
Stars in system
2
Known planets
1

Discovery

Year
2024
Method
Transit
Facility
K2

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