Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 216770 b
Host star HD 216770 • 118.5 d orbit
Records
2
archive rows
Discovery
2003
Radial Velocity
Radius
—
default parameter set
Mass
181.2 M⊕
default parameter set
HD 216770
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: Stassun et al. 2017
Host Star
HD 216770
Stable across source rows
Discovery Year
2003
Stable across source rows
Orbital Period
118.5 day
single adopted value
Semi-Major Axis
0.46 au
single adopted value
Mass
181.2 Mearth
181.2 to 206.6
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Periodstable
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2003 | Radial Velocity | La Silla Observatory | 1.2 m Leonhard Euler Telescope | 118.5 day | — | 181.2 Mearth | — | Stassun et al. 2017 |
| 2003 | Radial Velocity | La Silla Observatory | 1.2 m Leonhard Euler Telescope | 118.5 day | — | 206.6 Mearth | — | Mayor et al. 2004 |