Discovery Method
Transit
Consistent across records
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ExoplanetDetail
Qatar-2 b
Host star Qatar-2 • 14.06 R⊕ • 1.34 d orbit
Records
13
archive rows
Discovery
2011
Transit
Radius
14.06 R⊕
default parameter set
Mass
792.6 M⊕
default parameter set
Qatar-2
1344 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: Mancini et al. 2014
Host Star
Qatar-2
Stable across source rows
Discovery Year
2011
Stable across source rows
Orbital Period
1.34 day
1.34 to 1.34
Semi-Major Axis
0.02 au
0.02 to 0.02
Radius
14.06 Rearth
11.50 to 14.06
Mass
792.6 Mearth
783.8 to 826.4
Density
1.57 g/cm**3
1.55 to 2.36
Equilibrium Temperature
1344 K
1285 to 1344
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 14.06 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
Qatar-2 b
14.06 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
13
Refs
13
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2011 | Transit | Qatar | Canon 400mm f/2.8L | 1.34 day | 11.50 Rearth | — | — | Petigura et al. 2018 |
| 2011 | Transit | Qatar | Canon 400mm f/2.8L | 1.34 day | — | — | — | Kokori et al. 2022 |
| 2011 | Transit | Qatar | Canon 400mm f/2.8L | 1.34 day | — | — | — | Kokori et al. 2023 |
| 2011 | Transit | Qatar | Canon 400mm f/2.8L | 1.34 day | 14.06 Rearth | 792.6 Mearth | 1344 K | Mancini et al. 2014 |
| 2011 | Transit | Qatar | Canon 400mm f/2.8L | 1.34 day | — | — | — | Yalçınkaya et al. 2024 |
| 2011 | Transit | Qatar | Canon 400mm f/2.8L | 1.34 day | — | — | — | Ivshina & Winn 2022 |
| 2011 | Transit | Qatar | Canon 400mm f/2.8L | 1.34 day | 11.85 Rearth | — | — | Kruse et al. 2019 |
| 2011 | Transit | Qatar | Canon 400mm f/2.8L | 1.34 day | — | — | — | Pope et al. 2016 |
| 2011 | Transit | Qatar | Canon 400mm f/2.8L | 1.34 day | 14.06 Rearth | 785.0 Mearth | — | Bonomo et al. 2017 |
| 2011 | Transit | Qatar | Canon 400mm f/2.8L | 1.34 day | 12.50 Rearth | 783.8 Mearth | 1285 K | Močnik et al. 2017 |
| 2011 | Transit | Qatar | Canon 400mm f/2.8L | 1.34 day | 12.89 Rearth | 826.4 Mearth | — | Dai et al. 2017 |
| 2011 | Transit | Qatar | Canon 400mm f/2.8L | 1.34 day | — | — | — | Barros et al. 2016 |
| 2011 | Transit | Qatar | Canon 400mm f/2.8L | 1.34 day | 12.82 Rearth | 790.4 Mearth | 1292 K | Bryan et al. 2011 |