Discovery Method
Transit
Consistent across records
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ExoplanetDetail
TOI-159 b
Host star TOI-159 • 18.18 R⊕ • 3.76 d orbit
Records
2
archive rows
Discovery
2026
Transit
Radius
18.18 R⊕
default parameter set
Mass
1110 M⊕
default parameter set
TOI-159
1891 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: Mantovan et al. 2026
Host Star
TOI-159
Stable across source rows
Discovery Year
2026
Stable across source rows
Orbital Period
3.76 day
3.76 to 3.76
Semi-Major Axis
0.06 au
single adopted value
Radius
18.18 Rearth
17.33 to 18.18
Mass
1110 Mearth
single adopted value
Density
1.02 g/cm**3
single adopted value
Equilibrium Temperature
1891 K
1660.8 to 1891
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 18.18 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
TOI-159 b
18.18 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massstable
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2026 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.76 day | 18.18 Rearth | 1110 Mearth | 1891 K | Mantovan et al. 2026 |
| 2026 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.76 day | 17.33 Rearth | — | 1660.8 K | ExoFOP |