Exoplanet

KMT-2024-BLG-1281L b

Orbiting KMT-2024-BLG-1281L

Overview

KMT-2024-BLG-1281L b is an exoplanet orbiting the star KMT-2024-BLG-1281L, discovered in 2025 using the Microlensing method.

Key Measurements

Mass

19.07

Earth masses

0500 M⊕

Distance

7180.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

19.07

Measured

Equilibrium Temperature

Unknown

Parameter source: Han et al. 2025

Semi-Major Axis

1.9600+0.3000−0.3800au

Planet Mass (Earth masses)

19.07+20.98−11.44

Planet Mass (Jupiter masses)

0.0600+0.0660−0.0360

Distance from Earth

7180.0 pc (~23418 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

0.32 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

270.1694°, -32.7142°

Discovery Method

Microlensing

Discovery Year

2025

Data Sources
NASA Exoplanet Archive

Source ID: KMT-2024-BLG-1281L b

System Context

KMT-2024-BLG-1281L b orbits KMT-2024-BLG-1281L and was reported in 2025 and was detected with the Microlensing method.

Published measurements list a mass of 19.07 Earth masses.

Catalog data places the system at about 7,180 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-2024-BLG-1281L
KMT-2024-BLG-1281L b