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55 Cnc c

Host star 55 Cnc โ€ข 44.38 d orbit

Records

10

archive rows

Discovery

โ€”

Radial Velocity

Radius

โ€”

median non-null value

Mass

54.03 MโŠ•

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

2004

Period

44.38 day

Radius

โ€”

Mass

52.44 Mearth

Eq. Temp

โ€”

Provenance

Underlying measurements and references

Evidence Summary

Rows

10

Refs

10

Methods

1

Discoverystable

10 values โ€ข 1 distinct

Facilitystable

10 values โ€ข 1 distinct

Perioddisputed

10 values โ€ข 7 distinct

Massdisputed

10 values โ€ข 9 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2004Radial VelocityMcDonald Observatory9.2 m Hobby-Eberly Telescope44.38 dayโ€”52.44 Mearthโ€”Endl et al. 2012
2004Radial VelocityMcDonald Observatory9.2 m Hobby-Eberly Telescope44.38 dayโ€”52.44 Mearthโ€”Wright et al. 2009
2004Radial VelocityMcDonald Observatory9.2 m Hobby-Eberly Telescope43.93 dayโ€”68.97 Mearthโ€”McArthur et al. 2004
2004Radial VelocityMcDonald Observatory9.2 m Hobby-Eberly Telescope44.37 dayโ€”56.70 Mearthโ€”Nelson et al. 2014
2004Radial VelocityMcDonald Observatory9.2 m Hobby-Eberly Telescope44.42 dayโ€”54.47 Mearthโ€”Baluev 2015
2004Radial VelocityMcDonald Observatory9.2 m Hobby-Eberly Telescope44.39 dayโ€”56.60 Mearthโ€”Moutou et al. 2026
2004Radial VelocityMcDonald Observatory9.2 m Hobby-Eberly Telescope44.39 dayโ€”48.70 Mearthโ€”Harada et al. 2025
2004Radial VelocityMcDonald Observatory9.2 m Hobby-Eberly Telescope44.40 dayโ€”51.20 Mearthโ€”Bourrier et al. 2018
2004Radial VelocityMcDonald Observatory9.2 m Hobby-Eberly Telescope44.34 dayโ€”53.71 Mearthโ€”Fischer et al. 2008
2004Radial VelocityMcDonald Observatory9.2 m Hobby-Eberly Telescope44.38 dayโ€”54.35 Mearthโ€”Rosenthal et al. 2021