TOI-1259 A b

A confirmed exoplanet orbiting TOI-1259 A.

Compared with Earth

Size
About 12 times Earth's width.
Mass
About 141 times Earth's mass.
Year
A year here lasts about 3.5 Earth days.

Planet

Radius
11.6 × Earth
Mass
141 × Earth
Density
0.49 g/cm³
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
3.478 days
Average distance from its star
0.0408 AU

Star

Host star
TOI-1259 A
Spectral class
Unknown
Surface temperature
Unknown
Radius
0.715 × Sun
Mass
0.746 × Sun
Age
Unknown

System

Distance from Earth
385.2 light-years (118.1 parsecs)
Stars in system
2
Known planets
1

Discovery

Year
2021
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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