Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 20782 b
Host star HD 20782 • 597.1 d orbit
Records
5
archive rows
Discovery
2006
Radial Velocity
Radius
—
default parameter set
Mass
472.8 M⊕
default parameter set
HD 20782
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: Udry et al. 2019
Host Star
HD 20782
Stable across source rows
Discovery Year
2006
Stable across source rows
Orbital Period
597.1 day
577.9 to 597.1
Semi-Major Axis
1.36 au
1.36 to 1.40
Mass
472.8 Mearth
232.0 to 619.8
Provenance
Underlying measurements and references
Evidence Summary
Rows
5
Refs
5
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2006 | Radial Velocity | Anglo-Australian Telescope | 3.9 m Anglo-Australian Telescope | 591.9 day | — | 619.8 Mearth | — | Stassun et al. 2017 |
| 2006 | Radial Velocity | Anglo-Australian Telescope | 3.9 m Anglo-Australian Telescope | 597.1 day | — | 454.5 Mearth | — | Kane et al. 2016 |
| 2006 | Radial Velocity | Anglo-Australian Telescope | 3.9 m Anglo-Australian Telescope | 585.9 day | — | 572.1 Mearth | — | Jones et al. 2006 |
| 2006 | Radial Velocity | Anglo-Australian Telescope | 3.9 m Anglo-Australian Telescope | 577.9 day | — | 232.0 Mearth | — | O'Toole et al. 2009 |
| 2006 | Radial Velocity | Anglo-Australian Telescope | 3.9 m Anglo-Australian Telescope | 597.1 day | — | 472.8 Mearth | — | Udry et al. 2019 |