Exoplanet

KMT-2023-BLG-1866L b

Orbiting KMT-2023-BLG-1866L

Overview

KMT-2023-BLG-1866L b is an exoplanet orbiting the star KMT-2023-BLG-1866L, discovered in 2024 using the Microlensing method.

Key Measurements

Mass

2.63

Earth masses

0500 M⊕

Distance

6210.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

2.63

Measured

Equilibrium Temperature

Unknown

Parameter source: Han et al. 2024

Semi-Major Axis

2.6300+0.3700−0.3400au

Planet Mass (Earth masses)

2.63+0.42−0.68

Planet Mass (Jupiter masses)

0.0083+0.0013−0.0021

Distance from Earth

6210.0 pc (~20254 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

0.51 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

273.4823°, -28.4474°

Discovery Method

Microlensing

Discovery Year

2024

Data Sources
NASA Exoplanet Archive

Source ID: KMT-2023-BLG-1866L b

System Context

KMT-2023-BLG-1866L b orbits KMT-2023-BLG-1866L and was reported in 2024 and was detected with the Microlensing method.

Published measurements list a mass of 2.63 Earth masses.

Catalog data places the system at about 6,210 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-1866L