Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 66428 b
Host star HD 66428 • 2269.8 d orbit
Records
8
archive rows
Discovery
2005
Radial Velocity
Radius
—
default parameter set
Mass
3478.9 M⊕
default parameter set
HD 66428
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: Feng et al. 2022
Host Star
HD 66428
Stable across source rows
Discovery Year
2005
Stable across source rows
Orbital Period
2269.8 day
1973 to 2293.9
Semi-Major Axis
3.40 au
3.14 to 3.56
Mass
3478.9 Mearth
839.1 to 3478.9
Provenance
Underlying measurements and references
Evidence Summary
Rows
8
Refs
8
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2005 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 2269.8 day | — | 3478.9 Mearth | — | Feng et al. 2022 |
| 2005 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 2263.1 day | — | 1018.3 Mearth | — | Barbato et al. 2018 |
| 2005 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 2288.9 day | — | 1013.9 Mearth | — | Rosenthal et al. 2021 |
| 2005 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 1973 day | — | 839.1 Mearth | — | Stassun et al. 2017 |
| 2005 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 2280.4 day | — | 982.1 Mearth | — | Bryan et al. 2016 |
| 2005 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 2286 day | — | 1071.1 Mearth | — | An et al. 2025 |
| 2005 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 1973 day | — | 896.2 Mearth | — | Butler et al. 2006 |
| 2005 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 2293.9 day | — | 1015.1 Mearth | — | Feng et al. 2015 |