Discovery Method
Transit
Consistent across records
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ExoplanetDetail
WASP-12 b
Host star WASP-12 • 22.03 R⊕ • 1.09 d orbit
Records
19
archive rows
Discovery
2008
Transit
Radius
22.03 R⊕
default parameter set
Mass
—
default parameter set
WASP-12
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: Leonardi et al. 2024
Host Star
WASP-12
Stable across source rows
Discovery Year
2008
Stable across source rows
Orbital Period
1.09 day
1.09 to 1.09
Semi-Major Axis
0.02 au
0.02 to 0.02
Radius
22.03 Rearth
19.39 to 22.62
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 22.03 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
WASP-12 b
22.03 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
19
Refs
19
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | 19.39 Rearth | 445.0 Mearth | 2510 K | Sing et al. 2016 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | 20.46 Rearth | 454.5 Mearth | 2523 K | Southworth 2012 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | — | — | 441.8 Mearth | — | Knutson et al. 2014 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | 20.10 Rearth | 448 Mearth | — | Hebb et al. 2009 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | 20.85 Rearth | 638.8 Mearth | 2483 K | Turner et al. 2016 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | — | — | — | — | Albrecht et al. 2012 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | 22.62 Rearth | — | 2428.5 K | ExoFOP |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | — | — | — | Ivshina & Winn 2022 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | 22.03 Rearth | — | — | Leonardi et al. 2024 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | — | — | — | Sodickson & Grunblatt 2025 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | — | — | — | Maciejewski et al. 2016 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | 21.30 Rearth | 467.2 Mearth | 2580 K | Collins et al. 2017 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | — | — | — | 2530 K | Barstow et al. 2017 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | 20.40 Rearth | 416.4 Mearth | — | Stassun et al. 2017 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | 20.46 Rearth | 441.8 Mearth | — | Bonomo et al. 2017 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | 20.39 Rearth | 448.1 Mearth | 2601 K | Öztürk & Erdem 2019 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | 21.71 Rearth | 465.6 Mearth | 2592.6 K | Chakrabarty & Sengupta 2019 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | — | — | — | Kokori et al. 2022 |
| 2008 | Transit | SuperWASP | Canon 200mm f/1.8L | 1.09 day | — | — | — | Kokori et al. 2023 |