TOI-3288 b

A confirmed exoplanet orbiting TOI-3288.

Compared with Earth

Size
About 12 times Earth's width.
Mass
About 536 times Earth's mass.
Temperature
About 700 °C (1,292 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 214 times the starlight Earth gets from the Sun.
Year
A year here lasts about 1.4 Earth days.

Planet

Radius
12.24 × Earth
Mass
536.2 × Earth
Density
1.6 g/cm³
Equilibrium temperature
973 K
Starlight received
213.8 × Earth
Orbital period
1.434 days
Average distance from its star
0.02285 AU

Star

Host star
TOI-3288
Spectral class
K — orange dwarf
Surface temperature
4,072 K
Radius
0.672 × Sun
Mass
0.643 × Sun
Age
Unknown

System

Distance from Earth
653.9 light-years (200.5 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.