Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 4203 c
Host star HD 4203 • 6700 d orbit
Records
3
archive rows
Discovery
2014
Radial Velocity
Radius
—
default parameter set
Mass
689.7 M⊕
default parameter set
HD 4203
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: Kane et al. 2014
Host Star
HD 4203
Stable across source rows
Discovery Year
2014
Stable across source rows
Orbital Period
6700 day
6700 to 7400
Semi-Major Axis
6.95 au
6.95 to 7.80
Mass
689.7 Mearth
479.9 to 851.8
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 |
|---|---|---|---|---|---|---|---|---|
| 2014 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 7053 day | — | 479.9 Mearth | — | Bryan et al. 2016 |
| 2014 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 7400 day | — | 851.8 Mearth | — | Rosenthal et al. 2021 |
| 2014 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 6700 day | — | 689.7 Mearth | — | Kane et al. 2014 |