Discovery Method
Transit
Consistent across records
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ExoplanetDetail
HD 221416 b
Host star HD 221416 • 9.17 R⊕ • 14.28 d orbit
Records
3
archive rows
Discovery
2019
Transit
Radius
9.17 R⊕
default parameter set
Mass
60.50 M⊕
default parameter set
HD 221416
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: Huber et al. 2019
Host Star
HD 221416
Stable across source rows
Discovery Year
2019
Stable across source rows
Orbital Period
14.28 day
14.28 to 14.28
Semi-Major Axis
0.12 au
single adopted value
Radius
9.17 Rearth
7.82 to 9.17
Mass
60.50 Mearth
single adopted value
Density
0.43 g/cm**3
single adopted value
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 9.17 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HD 221416 b
9.17 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
3
Refs
3
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massstable
Eq. Tempstable
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 14.28 day | — | — | — | Patel & Espinoza 2022 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 14.28 day | 9.17 Rearth | 60.50 Mearth | — | Huber et al. 2019 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 14.28 day | 7.82 Rearth | — | 1314.7 K | ExoFOP |