Discovery Method
Transit
Consistent across records
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ExoplanetDetail
TOI-270 b
Host star TOI-270 • 1.28 R⊕ • 3.36 d orbit
Records
7
archive rows
Discovery
2019
Transit
Radius
1.28 R⊕
default parameter set
Mass
1.48 M⊕
default parameter set
TOI-270
600 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: Kaye et al. 2022
Host Star
TOI-270
Stable across source rows
Discovery Year
2019
Stable across source rows
Orbital Period
3.36 day
3.36 to 3.36
Radius
1.28 Rearth
1.21 to 1.31
Mass
1.48 Mearth
1.48 to 1.58
Density
3.89 g/cm**3
3.70 to 4.97
Equilibrium Temperature
600 K
528 to 943.9
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 1.28 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
TOI-270 b
1.28 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
7
Refs
7
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.36 day | 1.22 Rearth | — | 943.9 K | ExoFOP |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.36 day | 1.28 Rearth | 1.48 Mearth | 600 K | Kaye et al. 2022 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | — | 1.31 Rearth | 1.48 Mearth | 569 K | Coulombe et al. 2025 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.36 day | 1.28 Rearth | 1.49 Mearth | 585 K | Weisserman et al. 2026 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.36 day | 1.25 Rearth | — | 528 K | Günther et al. 2019 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.36 day | 1.21 Rearth | 1.58 Mearth | 581 K | Van Eylen et al. 2021 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.36 day | — | — | — | Kokori et al. 2023 |