Discovery Method
Transit
Consistent across records
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ExoplanetDetail
HD 77946 b
Host star HD 77946 • 2.90 R⊕ • 6.53 d orbit
Records
3
archive rows
Discovery
2024
Transit
Radius
2.90 R⊕
default parameter set
Mass
10.90 M⊕
default parameter set
HD 77946
1128.9 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: Polanski et al. 2024
Host Star
HD 77946
Stable across source rows
Discovery Year
2024
Stable across source rows
Orbital Period
6.53 day
6.53 to 6.53
Semi-Major Axis
0.07 au
0.07 to 0.07
Radius
2.90 Rearth
2.71 to 2.90
Mass
10.90 Mearth
8.38 to 10.90
Density
2.44 g/cm**3
2.44 to 2.48
Equilibrium Temperature
1128.9 K
1128.9 to 1149.8
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 2.90 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HD 77946 b
2.90 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
3
Refs
3
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2024 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 6.53 day | 2.90 Rearth | 10.90 Mearth | 1128.9 K | Polanski et al. 2024 |
| 2024 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 6.53 day | 2.90 Rearth | — | 1149.8 K | ExoFOP |
| 2024 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 6.53 day | 2.71 Rearth | 8.38 Mearth | — | Palethorpe et al. 2024 |