Discovery Method
Transit
Consistent across records
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ExoplanetDetail
K2-238 b
Host star K2-238 • 14.57 R⊕ • 3.20 d orbit
Records
3
archive rows
Discovery
2018
Transit
Radius
14.57 R⊕
default parameter set
Mass
273.3 M⊕
default parameter set
K2-238
1587 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: Soto et al. 2018
Host Star
K2-238
Stable across source rows
Discovery Year
2018
Stable across source rows
Orbital Period
3.20 day
3.20 to 3.20
Semi-Major Axis
0.05 au
single adopted value
Radius
14.57 Rearth
single adopted value
Mass
273.3 Mearth
single adopted value
Density
0.56 g/cm**3
single adopted value
Equilibrium Temperature
1587 K
single adopted value
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 14.57 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
K2-238 b
14.57 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
3
Refs
3
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusstable
Massstable
Eq. Tempstable
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 3.20 day | — | — | — | Kokori et al. 2023 |
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 3.20 day | — | — | — | ExoFOP |
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 3.20 day | 14.57 Rearth | 273.3 Mearth | 1587 K | Soto et al. 2018 |