TOI-2257 b
Orbiting TOI-2257
TOI-2257 b is an exoplanet orbiting the star TOI-2257, discovered in 2021 using the Transit method. It is a Super-Earth world.
Radius
2.19
Earth radii
Mass (est.)
5.80
Earth masses
Orbital Period
35.2
days
Distance
57.8
parsecs
Equilibrium Temp
256
K
Radius (Earth radii)
2.19
Mass (Earth masses)
5.80
Estimated
Equilibrium Temperature
256 K
Orbital Period
35.19 days
Distance from Earth
57.8 pc (~188 ly)
Spectral Type
M3
Temperature
3430 K
Mass (Solar)
0.33 M☉
Radius (Solar)
0.31 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
194.7396°, 77.6617°
Discovery Method
Transit
Discovery Year
2021
Source ID: TOI-2257 b
TOI-2257 b orbits TOI-2257 and was reported in 2021 and was detected with the Transit method.
Published measurements list a radius of 2.19 Earth radii, a mass of 5.8 Earth masses (estimated), an orbital period of 35.19 days, and an equilibrium temperature near 256 K.
Catalog data places the system at about 57.8 parsecs from Earth, a host star classified as M3, and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open TOI-2257