Back to Exoplanets
ExoplanetDetail

GJ 357 b

Host star GJ 357 • 1.21 R⊕ • 3.93 d orbit

Records

6

archive rows

Discovery

Transit

Radius

1.21 R⊕

median non-null value

Mass

1.83 M⊕

median non-null value

GJ 357

536.5 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 357

Discovery

Transit

Year

2019

Period

3.93 day

Radius

1.20 Rearth

Mass

Eq. Temp

518 K

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 1.21 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

GJ 357 b

1.21 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Evidence Summary

Rows

6

Refs

6

Methods

1

Discoverystable

6 values • 1 distinct

Facilitystable

6 values • 1 distinct

Periodstable

5 values • 1 distinct

Radiusdisputed

4 values • 4 distinct

Massdisputed

2 values • 2 distinct

Eq. Tempdisputed

4 values • 4 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2019TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope3.93 day1.20 Rearth518 KOddo et al. 2023
2019TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope3.93 dayKokori et al. 2023
2019TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope3.93 day1.22 Rearth1.84 Mearth525 KLuque et al. 2019
2019TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope3.93 day1.27 Rearth561 KExoFOP
2019TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS TelescopeAdams Redai et al. 2025
2019TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope3.93 day1.21 Rearth1.83 Mearth548 KWeisserman et al. 2026