Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 171238 b
Host star HD 171238 • 1515 d orbit
Records
3
archive rows
Discovery
2009
Radial Velocity
Radius
—
default parameter set
Mass
2796.9 M⊕
default parameter set
HD 171238
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: Li et al. 2021
Host Star
HD 171238
Stable across source rows
Discovery Year
2009
Stable across source rows
Orbital Period
1515 day
1515 to 1532
Semi-Major Axis
2.52 au
2.52 to 2.57
Mass
2796.9 Mearth
826.3 to 2796.9
Provenance
Underlying measurements and references
Evidence Summary
Rows
3
Refs
3
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2009 | Radial Velocity | La Silla Observatory | 1.2 m Leonhard Euler Telescope | 1515 day | — | 2796.9 Mearth | — | Li et al. 2021 |
| 2009 | Radial Velocity | La Silla Observatory | 1.2 m Leonhard Euler Telescope | 1532 day | — | 864.5 Mearth | — | Ment et al. 2018 |
| 2009 | Radial Velocity | La Silla Observatory | 1.2 m Leonhard Euler Telescope | 1523 day | — | 826.3 Mearth | — | Ségransan et al. 2010 |