Discovery Method
Transit
Consistent across records
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ExoplanetDetail
WASP-57 b
Host star WASP-57 • 11.77 R⊕ • 2.84 d orbit
Records
7
archive rows
Discovery
2012
Transit
Radius
11.77 R⊕
default parameter set
Mass
204.7 M⊕
default parameter set
WASP-57
1338 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: Southworth et al. 2015
Host Star
WASP-57
Stable across source rows
Discovery Year
2012
Stable across source rows
Orbital Period
2.84 day
2.84 to 2.84
Semi-Major Axis
0.04 au
0.04 to 0.04
Radius
11.77 Rearth
10.27 to 12.90
Mass
204.7 Mearth
204.4 to 213.6
Density
0.69 g/cm**3
0.69 to 1.16
Equilibrium Temperature
1338 K
1251 to 1338
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 11.77 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
WASP-57 b
11.77 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
7
Refs
7
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2012 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.84 day | — | — | — | Kokori et al. 2023 |
| 2012 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.84 day | 11.77 Rearth | 204.7 Mearth | 1338 K | Southworth et al. 2015 |
| 2012 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.84 day | 11.77 Rearth | 204.4 Mearth | — | Bonomo et al. 2017 |
| 2012 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.84 day | — | — | — | Ivshina & Winn 2022 |
| 2012 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.84 day | 10.27 Rearth | 213.6 Mearth | 1251 K | Faedi et al. 2013 |
| 2012 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.84 day | — | — | — | Kokori et al. 2022 |
| 2012 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.84 day | 12.90 Rearth | — | 1313 K | ExoFOP |