Discovery Method
Transit
Consistent across records
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ExoplanetDetail
TOI-1803 c
Host star TOI-1803 • 4.29 R⊕ • 12.89 d orbit
Records
2
archive rows
Discovery
2025
Transit
Radius
4.29 R⊕
default parameter set
Mass
8 M⊕
default parameter set
TOI-1803
588 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: Zingales et al. 2025
Host Star
TOI-1803
Stable across source rows
Discovery Year
2025
Stable across source rows
Orbital Period
12.89 day
12.89 to 12.89
Semi-Major Axis
0.10 au
single adopted value
Radius
4.29 Rearth
4.22 to 4.29
Mass
8 Mearth
single adopted value
Density
0.42 g/cm**3
single adopted value
Equilibrium Temperature
588 K
576 to 588
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 4.29 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
TOI-1803 c
4.29 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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 12.89 day | 4.22 Rearth | — | 576 K | ExoFOP |
| 2025 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 12.89 day | 4.29 Rearth | 8 Mearth | 588 K | Zingales et al. 2025 |