Discovery Method
Transit
Consistent across records
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ExoplanetDetail
HD 5278 b
Host star HD 5278 • 2.45 R⊕ • 14.34 d orbit
Records
4
archive rows
Discovery
2021
Transit
Radius
2.45 R⊕
default parameter set
Mass
7.80 M⊕
default parameter set
HD 5278
943 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: Sozzetti et al. 2021
Host Star
HD 5278
Stable across source rows
Discovery Year
2021
Stable across source rows
Orbital Period
14.34 day
14.34 to 14.34
Semi-Major Axis
0.12 au
single adopted value
Radius
2.45 Rearth
2.30 to 2.45
Mass
7.80 Mearth
single adopted value
Density
2.90 g/cm**3
single adopted value
Equilibrium Temperature
943 K
841.9 to 943
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 2.45 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HD 5278 b
2.45 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
4
Refs
4
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massstable
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 14.34 day | 2.45 Rearth | 7.80 Mearth | 943 K | Sozzetti et al. 2021 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 14.34 day | 2.39 Rearth | — | — | Lafarga et al. 2026 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 14.34 day | — | — | — | Kokori et al. 2023 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 14.34 day | 2.30 Rearth | — | 841.9 K | ExoFOP |