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55 Cnc b

Host star 55 Cnc • 14.65 d orbit

Records

14

archive rows

Discovery

Radial Velocity

Radius

median non-null value

Mass

262.9 M⊕

median non-null value

55 Cnc

700 K equilibrium

Quick Summary

Fast scan of the current planet profile

This first pass still reads from the currently available detail payload. Canonical adopted summaries will replace first-row values in the next backend pass.

Host Star

55 Cnc

Discovery

Radial Velocity

Year

1996

Period

14.65 day

Radius

Mass

240 Mearth

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

14

Refs

14

Methods

1

Discoverystable

14 values • 1 distinct

Facilitystable

14 values • 1 distinct

Perioddisputed

14 values • 4 distinct

Massdisputed

14 values • 11 distinct

Eq. Tempstable

1 values • 1 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.65 day240 MearthHarada et al. 2025
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.65 day276 MearthMoutou et al. 2026
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.65 day255.4 MearthBourrier et al. 2018
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.65 day267.0 MearthButler et al. 1997
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.65 day260.6 MearthWright et al. 2009
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.65 day261.9 MearthFischer et al. 2008
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.65 day264.0 MearthBaluev 2015
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.65 day267.0 MearthMarcy et al. 2002
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.47 day267.0 MearthNelson et al. 2014
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.67 day249.2 MearthMcArthur et al. 2004
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.65 day267.3 MearthRosenthal et al. 2021
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.65 day254.2 MearthEndl et al. 2012
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.60 day254.2 Mearth700 KSalz et al. 2015
1996Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope14.65 day289.2 MearthNaef et al. 2004