Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 208897 b
Host star HD 208897 • 358.3 d orbit
Records
2
archive rows
Discovery
2017
Radial Velocity
Radius
—
default parameter set
Mass
379.5 M⊕
default parameter set
HD 208897
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: Teng et al. 2023
Host Star
HD 208897
Stable across source rows
Discovery Year
2017
Stable across source rows
Orbital Period
358.3 day
352.7 to 358.3
Semi-Major Axis
1.06 au
1.05 to 1.06
Mass
379.5 Mearth
379.5 to 445.0
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2017 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 358.3 day | — | 379.5 Mearth | — | Teng et al. 2023 |
| 2017 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 352.7 day | — | 445.0 Mearth | — | Yılmaz et al. 2017 |