HATS-23 b

A confirmed exoplanet orbiting HATS-23.

Compared with Earth

Size
About 21 times Earth's width.
Mass
About 467 times Earth's mass.
Temperature
About 1,381 °C (2,518 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 2.2 Earth days.

Planet

Radius
20.85 × Earth
Mass
467.2 × Earth
Density
0.29 g/cm³
Equilibrium temperature
1,654 K
Starlight received
Unknown
Orbital period
2.161 days
Average distance from its star
0.03397 AU

Star

Host star
HATS-23
Spectral class
G — sun-like
Surface temperature
5,780 K
Radius
1.199 × Sun
Mass
1.121 × Sun
Age
4.2 billion years

System

Distance from Earth
2,084 light-years (639 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2017
Method
Transit
Facility
HATSouth

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