Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 190228 b
Host star HD 190228 • 1143.6 d orbit
Records
2
archive rows
Discovery
2022
Radial Velocity
Radius
—
default parameter set
Mass
1598.7 M⊕
default parameter set
HD 190228
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 190228
Stable across source rows
Discovery Year
2022
Stable across source rows
Orbital Period
1143.6 day
1143.6 to 1146.6
Semi-Major Axis
2.41 au
2.29 to 2.41
Mass
1598.7 Mearth
1598.7 to 1938.8
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2022 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1146.6 day | — | 1938.8 Mearth | — | Xiao et al. 2023 |
| 2022 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1143.6 day | — | 1598.7 Mearth | — | Feng et al. 2022 |