GJ 1252 b
Orbiting GJ 1252
GJ 1252 b is an exoplanet orbiting the star GJ 1252, discovered in 2020 using the Transit method. It is a Earth-sized world.
Radius
1.19
Earth radii
Mass
1.32
Earth masses
Orbital Period
0.5
days
Distance
20.4
parsecs
Radius (Earth radii)
1.19
Mass (Earth masses)
1.32
Measured
Equilibrium Temperature
Unknown
Parameter source: Luque & Pallé 2022
Orbital Period
0.518+0.000−0.000days
Planet Mass (Earth masses)
1.32+0.28−0.28
Planet Mass (Jupiter masses)
0.0042+0.0009−0.0009
Eccentricity
0.0000
Argument of Periastron
90.0deg
Radial Velocity Semi-Amplitude
2.00+0.43−0.43m/s
Distance from Earth
20.4 pc (~66 ly)
Spectral Type
M3
Temperature
3458 K
Mass (Solar)
0.38 M☉
Radius (Solar)
0.39 R☉
Luminosity
-1.71 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
306.9286°, -56.4623°
Discovery Method
Transit
Discovery Year
2020
Source ID: GJ 1252 b
GJ 1252 b orbits GJ 1252 and was reported in 2020 and was detected with the Transit method.
Published measurements list a radius of 1.19 Earth radii, a mass of 1.32 Earth masses, and an orbital period of 0.52 days.
Catalog data places the system at about 20.4 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 GJ 1252