HATS-55 b

A confirmed exoplanet orbiting HATS-55.

Compared with Earth

Size
About 14 times Earth's width.
Mass
About 293 times Earth's mass.
Temperature
About 1,094 °C (2,001 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 4.2 Earth days.

Planet

Radius
14.02 × Earth
Mass
292.7 × Earth
Density
0.587 g/cm³
Equilibrium temperature
1,367 K
Starlight received
Unknown
Orbital period
4.204 days
Average distance from its star
0.05412 AU

Star

Host star
HATS-55
Spectral class
F — yellow-white
Surface temperature
6,214 K
Radius
1.126 × Sun
Mass
1.196 × Sun
Age
0.4 billion years

System

Distance from Earth
1,989 light-years (609.8 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2019
Method
Transit
Facility
HATSouth

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