KMT-2023-BLG-2209L b
Orbiting KMT-2023-BLG-2209L
KMT-2023-BLG-2209L b is an exoplanet orbiting the star KMT-2023-BLG-2209L, discovered in 2025 using the Microlensing method.
Mass
254.26
Earth masses
Distance
5570.0
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
254.26
Measured
Equilibrium Temperature
Unknown
Parameter source: Han et al. 2025
Semi-Major Axis
3.5100+0.9500−1.1200au
Planet Mass (Earth masses)
254.26+120.77−120.77
Planet Mass (Jupiter masses)
0.8000+0.3800−0.3800
Distance from Earth
5570.0 pc (~18167 ly)
Spectral Type
Unknown
Temperature
Unknown
Mass (Solar)
0.73 M☉
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
268.9942°, -29.3057°
Discovery Method
Microlensing
Discovery Year
2025
Source ID: KMT-2023-BLG-2209L b
KMT-2023-BLG-2209L b orbits KMT-2023-BLG-2209L and was reported in 2025 and was detected with the Microlensing method.
Published measurements list a mass of 254.26 Earth masses.
Catalog data places the system at about 5,570 parsecs from Earth 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 KMT-2023-BLG-2209L