Discovery Method
Radial Velocity
Consistent across records
←Back to Exoplanets
ExoplanetDetail
HD 217786 b
Host star HD 217786 • 1301.4 d orbit
Records
3
archive rows
Discovery
2011
Radial Velocity
Radius
—
default parameter set
Mass
4402.6 M⊕
default parameter set
HD 217786
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: Feng et al. 2022
Host Star
HD 217786
Stable across source rows
Discovery Year
2011
Stable across source rows
Orbital Period
1301.4 day
1301.4 to 1319
Semi-Major Axis
2.45 au
2.37 to 2.45
Mass
4402.6 Mearth
4131.6 to 9185.2
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 |
|---|---|---|---|---|---|---|---|---|
| 2011 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 1301.4 day | — | 4402.6 Mearth | — | Feng et al. 2022 |
| 2011 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 1302.1 day | — | 9185.2 Mearth | — | Xiao et al. 2023 |
| 2011 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 1319 day | — | 4131.6 Mearth | — | Moutou et al. 2011 |