HATS-15 b

A confirmed exoplanet orbiting HATS-15.

Compared with Earth

Size
About 12 times Earth's width.
Mass
About 690 times Earth's mass.
Temperature
About 1,232 °C (2,249 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 1.7 Earth days.

Planet

Radius
12.39 × Earth
Mass
689.7 × Earth
Density
1.97 g/cm³
Equilibrium temperature
1,505 K
Starlight received
Unknown
Orbital period
1.747 days
Average distance from its star
0.02712 AU

Star

Host star
HATS-15
Spectral class
G — sun-like
Surface temperature
5,311 K
Radius
0.922 × Sun
Mass
0.871 × Sun
Age
11 billion years

System

Distance from Earth
3,717 light-years (1,140 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2016
Method
Transit
Facility
HATSouth

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