Discovery Method
Imaging
Consistent across records
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ExoplanetDetail
HD 143811 AB b
Host star HD 143811 A • 15.69 R⊕ • 117000 d orbit
Records
2
archive rows
Discovery
2025
Imaging
Radius
15.69 R⊕
default parameter set
Mass
1938.8 M⊕
default parameter set
HD 143811 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: Squicciarini et al. 2025
Host Star
HD 143811 A
Stable across source rows
Discovery Year
2025
Stable across source rows
Orbital Period
117000 day
117000 to 120000
Semi-Major Axis
63 au
63 to 64
Radius
15.69 Rearth
single adopted value
Mass
1938.8 Mearth
1779.8 to 1938.8
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 15.69 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HD 143811 AB b
15.69 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Radiusstable
Massdisputed
Eq. Tempstable
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2025 | Imaging | Paranal Observatory | 8.2 m ESO VLT UT3 Melipal Telescope | 117000 day | 15.69 Rearth | 1938.8 Mearth | — | Squicciarini et al. 2025 |
| 2025 | Imaging | Paranal Observatory | 8.2 m ESO VLT UT3 Melipal Telescope | 120000 day | — | 1779.8 Mearth | 1042 K | Jones et al. 2025 |