Exoplanet

55 Cnc B c

Orbiting 55 Cnc B

Overview

55 Cnc B c is an exoplanet orbiting the star 55 Cnc B, discovered in 2025 using the Radial Velocity method.

Key Measurements

Orbital Period

33.7

days

0.1d10,000d

Distance

12.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

Unknown

Equilibrium Temperature

Unknown

Orbital Period

33.75 days

Distance from Earth

12.5 pc (~41 ly)

Spectral Type

M4.5 V

Temperature

3286 K

Mass (Solar)

0.26 M☉

Radius (Solar)

0.27 R☉

Luminosity

Unknown

Planets in System

7

Stars in System

2

Coordinates (RA, Dec)

133.1679°, 28.3153°

Discovery Method

Radial Velocity

Discovery Year

2025

Data Sources

Source ID: 55 Cnc B c

System Context

55 Cnc B c orbits 55 Cnc B and was reported in 2025 and was detected with the Radial Velocity method.

Published measurements list an orbital period of 33.75 days.

Catalog data places the system at about 12.5 parsecs from Earth, a host star classified as M4.5 V, and 7 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open 55 Cnc B

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