Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 187123 c
Host star HD 187123 • 3810 d orbit
Records
5
archive rows
Discovery
2008
Radial Velocity
Radius
—
default parameter set
Mass
632.5 M⊕
default parameter set
HD 187123
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 187123
Stable across source rows
Discovery Year
2008
Stable across source rows
Orbital Period
3810 day
3324 to 3810
Semi-Major Axis
4.89 au
4.42 to 4.89
Mass
632.5 Mearth
544.4 to 912.2
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 |
|---|---|---|---|---|---|---|---|---|
| 2008 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 3374 day | — | 544.4 Mearth | — | Rosenthal et al. 2021 |
| 2008 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 3324 day | — | 577.8 Mearth | — | Feng et al. 2015 |
| 2008 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 3810 day | — | 632.5 Mearth | — | Wright et al. 2009 |
| 2008 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 3396 day | — | 912.2 Mearth | — | An et al. 2025 |
| 2008 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 3380 day | — | 572.1 Mearth | — | Bryan et al. 2016 |