Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 30856 b
Host star HD 30856 • 847 d orbit
Records
3
archive rows
Discovery
2011
Radial Velocity
Radius
—
default parameter set
Mass
491.7 M⊕
default parameter set
HD 30856
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: Luhn et al. 2019
Host Star
HD 30856
Stable across source rows
Discovery Year
2011
Stable across source rows
Orbital Period
847 day
847 to 912
Semi-Major Axis
1.85 au
1.80 to 2.04
Mass
491.7 Mearth
491.7 to 670.6
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 | W. M. Keck Observatory | 10 m Keck I Telescope | 912 day | — | 670.6 Mearth | — | Stassun et al. 2017 |
| 2011 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 847 day | — | 491.7 Mearth | — | Luhn et al. 2019 |
| 2011 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 912 day | — | 572.1 Mearth | — | Johnson et al. 2011 |