Discovery Method
Transit
Consistent across records
←Back to Exoplanets
ExoplanetDetail
TOI-4458 b
Host star TOI-4458 • 12.41 R⊕ • 3.94 d orbit
Records
2
archive rows
Discovery
2026
Transit
Radius
12.41 R⊕
default parameter set
Mass
552.1 M⊕
default parameter set
TOI-4458
1759 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: Guenther et al. 2026
Host Star
TOI-4458
Stable across source rows
Discovery Year
2026
Stable across source rows
Orbital Period
3.94 day
3.94 to 3.94
Semi-Major Axis
0.05 au
single adopted value
Radius
12.41 Rearth
12.41 to 13.63
Mass
552.1 Mearth
single adopted value
Density
1.59 g/cm**3
single adopted value
Equilibrium Temperature
1759 K
1703.4 to 1759
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 12.41 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
TOI-4458 b
12.41 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 | 3.94 day | 12.41 Rearth | 552.1 Mearth | 1759 K | Guenther et al. 2026 |
| 2026 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 3.94 day | 13.63 Rearth | — | 1703.4 K | ExoFOP |