HD 27442 b

A confirmed exoplanet orbiting HD 27442.

Compared with Earth

Mass
About 496 times Earth's mass.
Year
A year here lasts about 1.2 Earth years.

Planet

Radius
Unknown
Mass
495.8 × Earth
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
428.1 days
Average distance from its star
1.271 AU

Star

Host star
HD 27442
Spectral class
K — orange dwarf
Surface temperature
4,846 K
Radius
Unknown
Mass
1.23 × Sun
Age
Unknown

System

Distance from Earth
59.59 light-years (18.27 parsecs)
Stars in system
2
Known planets
1

Discovery

Year
2000
Method
Radial Velocity
Facility
Anglo-Australian Telescope

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