Discovery Method
Transit
Consistent across records
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ExoplanetDetail
TOI-1259 A b
Host star TOI-1259 A • 11.60 R⊕ • 3.48 d orbit
Records
4
archive rows
Discovery
2021
Transit
Radius
11.60 R⊕
default parameter set
Mass
141 M⊕
default parameter set
TOI-1259 A
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: Veldhuis et al. 2026
Host Star
TOI-1259 A
Stable across source rows
Discovery Year
2021
Stable across source rows
Orbital Period
3.48 day
3.48 to 3.48
Semi-Major Axis
0.04 au
0.04 to 0.04
Radius
11.60 Rearth
11.46 to 12.55
Mass
141 Mearth
140.2 to 141
Density
0.49 g/cm**3
0.49 to 0.51
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 11.60 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
TOI-1259 A b
11.60 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 |
|---|---|---|---|---|---|---|---|---|
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.48 day | 11.46 Rearth | 140.2 Mearth | 963 K | Martin et al. 2021 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.48 day | — | — | — | Kokori et al. 2023 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.48 day | 11.60 Rearth | 141 Mearth | — | Veldhuis et al. 2026 |
| 2021 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.48 day | 12.55 Rearth | — | 897.2 K | ExoFOP |