Discovery Method
Transit
Consistent across records
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ExoplanetDetail
HD 202772 A b
Host star HD 202772 A • 18.24 R⊕ • 3.31 d orbit
Records
4
archive rows
Discovery
2019
Transit
Radius
18.24 R⊕
default parameter set
Mass
323.5 M⊕
default parameter set
HD 202772 A
2181 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: Jofré et al. 2025
Host Star
HD 202772 A
Stable across source rows
Discovery Year
2019
Stable across source rows
Orbital Period
3.31 day
3.31 to 3.31
Semi-Major Axis
0.05 au
single adopted value
Radius
18.24 Rearth
17.32 to 24.99
Mass
323.5 Mearth
323.2 to 323.5
Density
0.29 g/cm**3
0.29 to 0.34
Equilibrium Temperature
2181 K
2132 to 3184
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 18.24 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HD 202772 A b
18.24 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
4
Refs
4
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.31 day | 18.24 Rearth | 323.5 Mearth | 2181 K | Jofré et al. 2025 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.31 day | 17.32 Rearth | 323.2 Mearth | 2132 K | Wang et al. 2019 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.31 day | — | — | — | Kokori et al. 2023 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.31 day | 24.99 Rearth | — | 3184 K | ExoFOP |