Discovery Method
Transit
Consistent across records
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ExoplanetDetail
WASP-2 b
Host star WASP-2 • 12.12 R⊕ • 2.15 d orbit
Records
16
archive rows
Discovery
2007
Transit
Radius
12.12 R⊕
default parameter set
Mass
295.9 M⊕
default parameter set
WASP-2
1311 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: Addison et al. 2019
Host Star
WASP-2
Stable across source rows
Discovery Year
2007
Stable across source rows
Orbital Period
2.15 day
2.15 to 2.15
Semi-Major Axis
0.03 au
0.03 to 0.03
Radius
12.12 Rearth
10.71 to 12.52
Mass
295.9 Mearth
269.2 to 295.9
Density
0.91 g/cm**3
0.87 to 0.99
Equilibrium Temperature
1311 K
1189.7 to 1311
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 12.12 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
WASP-2 b
12.12 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
16
Refs
16
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | 12.52 Rearth | 290.5 Mearth | 1300 K | Daemgen et al. 2009 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | 12.12 Rearth | 295.9 Mearth | 1311 K | Addison et al. 2019 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | 12.00 Rearth | 294.0 Mearth | — | Bonomo et al. 2017 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | 11.63 Rearth | — | — | Charbonneau et al. 2007 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | 12.07 Rearth | 275.2 Mearth | — | Triaud et al. 2010 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | 10.71 Rearth | 279.7 Mearth | — | Collier Cameron et al. 2007 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | — | — | — | Ivshina & Winn 2022 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | 12.01 Rearth | 290.8 Mearth | 1304 K | Torres et al. 2008 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | — | — | — | Kokori et al. 2022 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | 11.92 Rearth | 279.7 Mearth | 1286 K | Southworth 2012 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | 11.69 Rearth | 269.2 Mearth | 1281 K | Southworth 2010 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | — | — | — | Baluev et al. 2015 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | 11.69 Rearth | 269.2 Mearth | 1281 K | Southworth et al. 2010 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | 12.00 Rearth | — | 1189.7 K | ExoFOP |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | 2.15 day | — | — | — | Kokori et al. 2023 |
| 2007 | Transit | SuperWASP | Canon 200mm f/1.8L | — | — | 291.8 Mearth | — | Knutson et al. 2014 |