Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 191939 f
Host star HD 191939 • 2898 d orbit
Records
3
archive rows
Discovery
2022
Radial Velocity
Radius
—
default parameter set
Mass
915.3 M⊕
default parameter set
HD 191939
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: Lubin et al. 2024
Host Star
HD 191939
Stable across source rows
Discovery Year
2022
Stable across source rows
Orbital Period
2898 day
2200 to 4450
Semi-Major Axis
3.71 au
3.20 to 4.80
Mass
915.3 Mearth
660 to 2065
Provenance
Underlying measurements and references
Evidence Summary
Rows
3
Refs
3
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
Eq. Tempstable
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2022 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 2200 day | — | 660 Mearth | 125 K | Orell-Miquel et al. 2023 |
| 2022 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 2898 day | — | 915.3 Mearth | — | Lubin et al. 2024 |
| 2022 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 4450 day | — | 2065 Mearth | — | Lubin et al. 2022 |