TOI-5386 A b

A confirmed exoplanet orbiting TOI-5386 A.

Compared with Earth

Size
About 15 times Earth's width.
Mass
About 155 times Earth's mass.
Temperature
About 1,215 °C (2,219 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 817 times the starlight Earth gets from the Sun.
Year
A year here lasts about 3.6 Earth days.

Planet

Radius
14.71 × Earth
Mass
155.1 × Earth
Density
0.268 g/cm³
Equilibrium temperature
1,488 K
Starlight received
817 × Earth
Orbital period
3.622 days
Average distance from its star
0.04856 AU

Star

Host star
TOI-5386 A
Spectral class
F — yellow-white
Surface temperature
6,094 K
Radius
1.245 × Sun
Mass
1.165 × Sun
Age
3.4 billion years

System

Distance from Earth
1,287 light-years (394.5 parsecs)
Stars in system
2
Known planets
1

Discovery

Year
2025
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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