Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 181433 c
Host star HD 181433 • 1018.5 d orbit
Records
6
archive rows
Discovery
2008
Radial Velocity
Radius
—
default parameter set
Mass
235.5 M⊕
default parameter set
HD 181433
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: Standing et al. 2026
Host Star
HD 181433
Stable across source rows
Discovery Year
2008
Stable across source rows
Orbital Period
1018.5 day
962 to 1022
Semi-Major Axis
1.89 au
1.76 to 1.90
Mass
235.5 Mearth
203 to 2207.0
Provenance
Underlying measurements and references
Evidence Summary
Rows
6
Refs
6
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2008 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 962 day | — | 203 Mearth | — | Bouchy et al. 2009 |
| 2008 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 975.4 day | — | 207.5 Mearth | — | Campanella 2011 |
| 2008 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 1014.5 day | — | 214.2 Mearth | — | Horner et al. 2019 |
| 2008 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 1022 day | — | 238.1 Mearth | — | An et al. 2025 |
| 2008 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 962 day | — | 2207.0 Mearth | — | Kiefer et al. 2021 |
| 2008 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 1018.5 day | — | 235.5 Mearth | — | Standing et al. 2026 |