Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 5891 b
Host star HD 5891 • 177.1 d orbit
Records
2
archive rows
Discovery
2011
Radial Velocity
Radius
—
default parameter set
Mass
2425.0 M⊕
default parameter set
HD 5891
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 5891
Stable across source rows
Discovery Year
2011
Stable across source rows
Orbital Period
177.1 day
single adopted value
Semi-Major Axis
0.64 au
0.64 to 0.76
Mass
2425.0 Mearth
2415.4 to 2425.0
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Periodstable
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2011 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 177.1 day | — | 2415.4 Mearth | — | Johnson et al. 2011 |
| 2011 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 177.1 day | — | 2425.0 Mearth | — | Stassun et al. 2017 |