TOI-2587 A b

A confirmed exoplanet orbiting TOI-2587 A.

Compared with Earth

Size
About 12 times Earth's width.
Mass
About 69 times Earth's mass.
Temperature
About 1,172 °C (2,141 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 728 times the starlight Earth gets from the Sun.
Year
A year here lasts about 5.5 Earth days.

Planet

Radius
12.07 × Earth
Mass
69.29 × Earth
Density
0.216 g/cm³
Equilibrium temperature
1,445 K
Starlight received
728 × Earth
Orbital period
5.457 days
Average distance from its star
0.0635 AU

Star

Host star
TOI-2587 A
Spectral class
G — sun-like
Surface temperature
5,760 K
Radius
1.726 × Sun
Mass
1.15 × Sun
Age
6.7 billion years

System

Distance from Earth
1,219 light-years (373.7 parsecs)
Stars in system
2
Known planets
1

Discovery

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

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