Discovery Method
Transit
Consistent across records
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ExoplanetDetail
GJ 238 b
Host star GJ 238 • 0.57 R⊕ • 1.74 d orbit
Records
2
archive rows
Discovery
2024
Transit
Radius
0.57 R⊕
default parameter set
Mass
—
default parameter set
GJ 238
758 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: Tey et al. 2024
Host Star
GJ 238
Stable across source rows
Discovery Year
2024
Stable across source rows
Orbital Period
1.74 day
1.74 to 1.74
Semi-Major Axis
0.02 au
single adopted value
Radius
0.57 Rearth
0.56 to 0.57
Equilibrium Temperature
758 K
758 to 1084.3
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 0.57 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
GJ 238 b
0.57 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2024 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 1.74 day | 0.57 Rearth | — | 758 K | Tey et al. 2024 |
| 2024 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 1.74 day | 0.56 Rearth | — | 1084.3 K | ExoFOP |