KOINTREAU-4 b
Orbiting 2MASS J16262785-2625152
KOINTREAU-4 b is an exoplanet orbiting the star 2MASS J16262785-2625152, discovered in 2026 using the Imaging method.
Mass
4862.77
Earth masses
Distance
145.4
parsecs
What these measurements mean
These comparisons use the reported catalog values. They are interpretations and calculations, not additional observations.
- What the mass can tell you
- Mass describes how much material the planet contains. Inspect the published uncertainty and reference before combining it with a radius to estimate density. Catalog values can come from different studies.
Radius (Earth radii)
Unknown
Mass (Earth masses)
4862.77
Measured
Equilibrium Temperature
Unknown
Parameter source: Walker et al. 2026
Semi-Major Axis
182.0000+2.0000−2.0000au
Planet Mass (Earth masses)
4862.77+222.48−254.26
Planet Mass (Jupiter masses)
15.3000+0.7000−0.8000
Distance from Earth
145.4 pc (~474 ly)
Spectral Type
M4.5
Temperature
Unknown
Mass (Solar)
Unknown
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
246.6160°, -26.4210°
Discovery Method
Imaging
Discovery Year
2026
Source ID: KOINTREAU-4 b
KOINTREAU-4 b orbits 2MASS J16262785-2625152 and was reported in 2026 and was detected with the Imaging method.
Published measurements list a mass of 4,862.77 Earth masses.
Catalog data places the system at about 145.4 parsecs from Earth, a host star classified as M4.5, 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 2MASS J16262785-2625152