HATS-42 b

A confirmed exoplanet orbiting HATS-42.

Compared with Earth

Size
About 16 times Earth's width.
Mass
About 598 times Earth's mass.
Temperature
About 1,583 °C (2,881 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 2.3 Earth days.

Planet

Radius
15.69 × Earth
Mass
597.5 × Earth
Density
0.83 g/cm³
Equilibrium temperature
1,856 K
Starlight received
Unknown
Orbital period
2.292 days
Average distance from its star
0.03689 AU

Star

Host star
HATS-42
Spectral class
F — yellow-white
Surface temperature
6,060 K
Radius
1.48 × Sun
Mass
1.273 × Sun
Age
3.26 billion years

System

Distance from Earth
2,610 light-years (800.4 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2018
Method
Transit
Facility
HATSouth

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