Back to Exoplanets
ExoplanetDetail

GJ 504 b

Host star GJ 504 • 12.11 R⊕

Records

2

archive rows

Discovery

Imaging

Radius

12.11 R⊕

median non-null value

Mass

1271.3 M⊕

median non-null value

GJ 504

511 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

GJ 504

Discovery

Imaging

Year

2013

Period

Radius

12.11 Rearth

Mass

Eq. Temp

512 K

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 12.11 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

GJ 504 b

12.11 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Evidence Summary

Rows

2

Refs

2

Methods

1

Discoverystable

2 values • 1 distinct

Facilitystable

2 values • 1 distinct

Radiusstable

1 values • 1 distinct

Massstable

1 values • 1 distinct

Eq. Tempdisputed

2 values • 2 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2013ImagingSubaru Telescope8.2 m Subaru Telescope12.11 Rearth512 KMâlin et al. 2025
2013ImagingSubaru Telescope8.2 m Subaru Telescope1271.3 Mearth510 KKuzuhara et al. 2013