Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 31253 b
Host star HD 31253 • 466 d orbit
Records
3
archive rows
Discovery
2010
Radial Velocity
Radius
—
default parameter set
Mass
197.1 M⊕
default parameter set
HD 31253
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 31253
Stable across source rows
Discovery Year
2010
Stable across source rows
Orbital Period
466 day
466 to 468.7
Semi-Major Axis
1.26 au
1.26 to 1.29
Mass
197.1 Mearth
141.8 to 197.1
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 |
|---|---|---|---|---|---|---|---|---|
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 468.7 day | — | 141.8 Mearth | — | Rosenthal et al. 2021 |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 466 day | — | 197.1 Mearth | — | Stassun et al. 2017 |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 466 day | — | 158.9 Mearth | — | Meschiari et al. 2011 |