TOI-1278 b

A confirmed exoplanet orbiting TOI-1278.

Compared with Earth

Size
About 12 times Earth's width.
Mass
About 5,880 times Earth's mass.
Year
A year here lasts about 14 Earth days.

Planet

Radius
12.22 × Earth
Mass
5,880 × Earth
Density
18 g/cm³
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
14.48 days
Average distance from its star
0.095 AU

Star

Host star
TOI-1278
Spectral class
M — red dwarf
Surface temperature
3,799 K
Radius
0.573 × Sun
Mass
0.54 × Sun
Age
Unknown

System

Distance from Earth
246.5 light-years (75.58 parsecs)
Stars in system
1
Known planets
1

Discovery

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

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