Discovery Method
Transit
Consistent across records
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ExoplanetDetail
K2-31 b
Host star K2-31 • 11.88 R⊕ • 1.26 d orbit
Records
8
archive rows
Discovery
2016
Transit
Radius
11.88 R⊕
default parameter set
Mass
563.8 M⊕
default parameter set
K2-31
temperature unconstrained
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: Grziwa et al. 2016
Host Star
K2-31
Stable across source rows
Discovery Year
2016
Stable across source rows
Orbital Period
1.26 day
1.26 to 1.26
Semi-Major Axis
0.02 au
0.02 to 0.02
Radius
11.88 Rearth
7 to 46
Mass
563.8 Mearth
551 to 590.1
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 11.88 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
K2-31 b
11.88 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
8
Refs
8
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.26 day | 12.57 Rearth | — | 1604.0 K | ExoFOP |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.26 day | 7 Rearth | — | — | Vanderburg et al. 2016 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.26 day | — | — | — | Barros et al. 2016 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.26 day | — | 590.1 Mearth | — | Dai et al. 2016 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.26 day | 11.88 Rearth | 563.8 Mearth | — | Grziwa et al. 2016 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.26 day | 46 Rearth | 551 Mearth | 1688 K | Howard et al. 2025 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.26 day | — | — | — | Kokori et al. 2023 |
| 2016 | Transit | K2 | 0.95 m Kepler Telescope | 1.26 day | 34 Rearth | — | — | Crossfield et al. 2016 |