Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 178911 B b
Host star HD 178911 B • 71.48 d orbit
Records
5
archive rows
Discovery
2001
Radial Velocity
Radius
—
default parameter set
Mass
2552.2 M⊕
default parameter set
HD 178911 B
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: Stassun et al. 2017
Host Star
HD 178911 B
Stable across source rows
Discovery Year
2001
Stable across source rows
Orbital Period
71.48 day
71.48 to 71.51
Semi-Major Axis
0.34 au
0.34 to 0.34
Mass
2552.2 Mearth
1999.8 to 2552.2
Provenance
Underlying measurements and references
Evidence Summary
Rows
5
Refs
5
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2001 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 71.48 day | — | 2234.2 Mearth | — | Wittenmyer et al. 2009 |
| 2001 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 71.48 day | — | 2247.0 Mearth | — | Rosenthal et al. 2021 |
| 2001 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 71.49 day | — | 1999.8 Mearth | — | Zucker et al. 2002 |
| 2001 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 71.48 day | — | 2552.2 Mearth | — | Stassun et al. 2017 |
| 2001 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 71.51 day | — | 2336.1 Mearth | — | Butler et al. 2006 |