Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 148427 b
Host star HD 148427 • 331.9 d orbit
Records
4
archive rows
Discovery
2009
Radial Velocity
Radius
—
default parameter set
Mass
381.4 M⊕
default parameter set
HD 148427
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: Piccinini et al. 2026
Host Star
HD 148427
Stable across source rows
Discovery Year
2009
Stable across source rows
Orbital Period
331.9 day
331.5 to 331.9
Semi-Major Axis
1.11 au
0.93 to 1.11
Mass
381.4 Mearth
310 to 4.34e4
Provenance
Underlying measurements and references
Evidence Summary
Rows
4
Refs
4
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2009 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 331.9 day | — | 381.4 Mearth | — | Piccinini et al. 2026 |
| 2009 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 331.5 day | — | 310 Mearth | — | Fischer et al. 2009 |
| 2009 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 331.5 day | — | 4.34e4 Mearth | — | Kiefer et al. 2021 |
| 2009 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 331.5 day | — | 413.2 Mearth | — | Stassun et al. 2017 |