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Kapteyn c

Orbiting Kapteyn, discovered in 2014 (7519) by Multiple Observatories via the Radial Velocity method.

Planet

RadiusUnknown
Mass7.00 M⊕
Orbital period121.54 Earth days (~0.3 Earth years)
Orbital eccentricity0.230
Equilibrium temperatureUnknown

Host star — Kapteyn

Temperature3550 K (3277 °C)
Radius0.29 R☉
Mass0.28 M☉

Location

Distance from Earth3.9 pc (~13 light-years)
Right ascension / Declination77.9587 / -45.0430

Last refreshed 2026-09-13 from NASA's Exoplanet Archive.