TOI-4551 b

A confirmed exoplanet orbiting TOI-4551.

Compared with Earth

Size
About 12 times Earth's width.
Mass
About 474 times Earth's mass.
Year
A year here lasts about 10 Earth days.

Planet

Radius
11.86 × Earth
Mass
473.6 × Earth
Density
1.74 g/cm³
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
9.956 days
Average distance from its star
0.0994 AU

Star

Host star
TOI-4551
Spectral class
K — orange dwarf
Surface temperature
4,896 K
Radius
3.55 × Sun
Mass
1.31 × Sun
Age
4.92 billion years

System

Distance from Earth
704.5 light-years (216 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2023
Method
Transit
Facility
Transiting Exoplanet Survey Satellite (TESS)

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