Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 191939 e
Host star HD 191939 • 101.1 d orbit
Records
4
archive rows
Discovery
2022
Radial Velocity
Radius
—
default parameter set
Mass
112.2 M⊕
default parameter set
HD 191939
390 K equilibrium
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: Orell-Miquel et al. 2023
Host Star
HD 191939
Stable across source rows
Discovery Year
2022
Stable across source rows
Orbital Period
101.1 day
101.1 to 101.7
Semi-Major Axis
0.41 au
0.40 to 0.41
Mass
112.2 Mearth
108 to 116
Equilibrium Temperature
390 K
390 to 397
Provenance
Underlying measurements and references
Evidence Summary
Rows
4
Refs
4
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2022 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 101.7 day | — | 116 Mearth | — | Polanski et al. 2024 |
| 2022 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 101.1 day | — | 112.2 Mearth | 390 K | Orell-Miquel et al. 2023 |
| 2022 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 101.5 day | — | 108 Mearth | 397 K | Lubin et al. 2022 |
| 2022 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 101.7 day | — | 114.1 Mearth | — | Lubin et al. 2024 |