Discovery Method
Transit
Consistent across records
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ExoplanetDetail
HD 101581 b
Host star HIP 56998 • 0.96 R⊕ • 4.47 d orbit
Records
2
archive rows
Discovery
2025
Transit
Radius
0.96 R⊕
default parameter set
Mass
—
default parameter set
HIP 56998
834 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: Kunimoto et al. 2025
Host Star
HIP 56998
Stable across source rows
Discovery Year
2025
Stable across source rows
Orbital Period
4.47 day
4.47 to 4.47
Semi-Major Axis
0.05 au
single adopted value
Radius
0.96 Rearth
0.96 to 0.98
Equilibrium Temperature
834 K
740.9 to 834
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 0.96 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HD 101581 b
0.96 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2025 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 4.47 day | 0.96 Rearth | — | 834 K | Kunimoto et al. 2025 |
| 2025 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 4.47 day | 0.98 Rearth | — | 740.9 K | ExoFOP |