Discovery Method
Transit
Consistent across records
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ExoplanetDetail
GJ 357 b
Host star GJ 357 • 1.20 R⊕ • 3.93 d orbit
Records
6
archive rows
Discovery
2019
Transit
Radius
1.20 R⊕
default parameter set
Mass
—
default parameter set
GJ 357
518 K equilibrium
Canonical Summary
Adopted planet values from the default parameter set
Values come from the archive's default parameter set. Missing values stay missing. Ranges and counts describe all source rows.
Selected source: Oddo et al. 2023
Host Star
GJ 357
Stable across source rows
Discovery Year
2019
Stable across source rows
Orbital Period
3.93 day
3.93 to 3.93
Semi-Major Axis
0.04 au
0.04 to 0.04
Radius
1.20 Rearth
1.20 to 1.27
Equilibrium Temperature
518 K
518 to 561
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 1.20 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
GJ 357 b
1.20 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
6
Refs
6
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.93 day | 1.27 Rearth | — | 561 K | ExoFOP |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | — | — | — | — | Adams Redai et al. 2025 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.93 day | 1.21 Rearth | 1.83 Mearth | 548 K | Weisserman et al. 2026 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.93 day | 1.22 Rearth | 1.84 Mearth | 525 K | Luque et al. 2019 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.93 day | 1.20 Rearth | — | 518 K | Oddo et al. 2023 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.93 day | — | — | — | Kokori et al. 2023 |