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55 Cnc d

Host star 55 Cnc • 4888 d orbit

Records

12

archive rows

Discovery

Radial Velocity

Radius

median non-null value

Mass

1216.5 M⊕

median non-null value

55 Cnc

temperature unconstrained

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

2002

Period

4909 day

Radius

Mass

1121.9 Mearth

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

12

Refs

12

Methods

1

Discoverystable

12 values • 1 distinct

Facilitystable

12 values • 1 distinct

Perioddisputed

12 values • 12 distinct

Massdisputed

12 values • 12 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2002Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope4909 day1121.9 MearthEndl et al. 2012
2002Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope5574.2 day991.6 MearthBourrier et al. 2018
2002Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope4820 day909.0 MearthRosenthal et al. 2021
2002Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope5360 day1287.2 MearthMarcy et al. 2002
2002Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope4825 day1232.5 MearthBaluev 2015
2002Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope5218 day1218.8 MearthFischer et al. 2008
2002Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope4867 day1226.8 MearthNelson et al. 2014
2002Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope4799 day1214.1 MearthMoutou et al. 2026
2002Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope5370 day1220.4 MearthWright et al. 2009
2002Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope4545 day918.5 MearthNaef et al. 2004
2002Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope4517.4 day1243.4 MearthMcArthur et al. 2004
2002Radial VelocityLick Observatory3.0 m C. Donald Shane Telescope4982 day1062 MearthHarada et al. 2025