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55 Cnc B c

Orbiting 55 Cnc B, discovered in 2025 (7530) by Mauna Kea Observatory via the Radial Velocity method.

Planet

RadiusUnknown
Mass5.30 M⊕
Orbital period33.75 Earth days (~0.1 Earth years)
Orbital eccentricity0.000
Equilibrium temperatureUnknown

Host star — 55 Cnc B

Temperature3286 K (3013 °C)
Radius0.27 R☉
Mass0.26 M☉

Location

Distance from Earth12.5 pc (~41 light-years)
Right ascension / Declination133.1679 / 28.3153

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