Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 11964 b
Host star HD 11964 • 1945 d orbit
Records
4
archive rows
Discovery
2005
Radial Velocity
Radius
—
default parameter set
Mass
198 M⊕
default parameter set
HD 11964
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: Wright et al. 2009
Host Star
HD 11964
Stable across source rows
Discovery Year
2005
Stable across source rows
Orbital Period
1945 day
1935 to 2110
Semi-Major Axis
3.16 au
3.16 to 3.34
Mass
198 Mearth
185.3 to 200.5
Provenance
Underlying measurements and references
Evidence Summary
Rows
4
Refs
4
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2005 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 2110 day | — | 193.9 Mearth | — | Butler et al. 2006 |
| 2005 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 1945 day | — | 198 Mearth | — | Wright et al. 2009 |
| 2005 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 1935 day | — | 200.5 Mearth | — | Rosenthal et al. 2021 |
| 2005 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 1956 day | — | 185.3 Mearth | — | Bryan et al. 2016 |