Discovery Method
Transit
Consistent across records
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ExoplanetDetail
K2-263 b
Host star K2-263 • 2.51 R⊕ • 50.82 d orbit
Records
5
archive rows
Discovery
2018
Transit
Radius
2.51 R⊕
default parameter set
Mass
15.40 M⊕
default parameter set
K2-263
482 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: Palethorpe et al. 2026
Host Star
K2-263
Stable across source rows
Discovery Year
2018
Stable across source rows
Orbital Period
50.82 day
50.82 to 50.82
Semi-Major Axis
0.26 au
single adopted value
Radius
2.51 Rearth
2.17 to 2.51
Mass
15.40 Mearth
14.80 to 15.40
Density
5.65 g/cm**3
5.65 to 5.80
Equilibrium Temperature
482 K
470 to 482
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 2.51 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
K2-263 b
2.51 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
5
Refs
5
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 50.82 day | 2.51 Rearth | 15.40 Mearth | 482 K | Palethorpe et al. 2026 |
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 50.82 day | 2.41 Rearth | 14.80 Mearth | 470 K | Mortier et al. 2018 |
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 50.82 day | 2.17 Rearth | — | — | Mayo et al. 2018 |
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 50.82 day | 2.41 Rearth | 14.90 Mearth | 470 K | Bonomo et al. 2023 |
| 2018 | Transit | K2 | 0.95 m Kepler Telescope | 50.82 day | 2.18 Rearth | — | — | Kruse et al. 2019 |