Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
16 Cyg B b
Host star 16 Cyg B • 798.5 d orbit
Records
6
archive rows
Discovery
1996
Radial Velocity
Radius
—
default parameter set
Mass
565.7 M⊕
default parameter set
16 Cyg B
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
16 Cyg B
Stable across source rows
Discovery Year
1996
Stable across source rows
Orbital Period
798.5 day
798.5 to 800.8
Semi-Major Axis
1.66 au
1.60 to 1.68
Mass
565.7 Mearth
476.7 to 565.7
Provenance
Underlying measurements and references
Evidence Summary
Rows
6
Refs
6
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 1996 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 798.5 day | — | 565.7 Mearth | — | Stassun et al. 2017 |
| 1996 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 800.8 day | — | 476.7 Mearth | — | Cochran et al. 1997 |
| 1996 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 799.5 day | — | 533.9 Mearth | — | Wittenmyer et al. 2007 |
| 1996 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 799.5 day | — | 533.9 Mearth | — | Wittenmyer et al. 2007 |
| 1996 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 799.5 day | — | 556.8 Mearth | — | Rosenthal et al. 2021 |
| 1996 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 798.5 day | — | 534.0 Mearth | — | Butler et al. 2006 |