Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 222582 b
Host star HD 222582 • 572.4 d orbit
Records
4
archive rows
Discovery
1999
Radial Velocity
Radius
—
default parameter set
Mass
2660.2 M⊕
default parameter set
HD 222582
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 222582
Stable across source rows
Discovery Year
1999
Stable across source rows
Orbital Period
572.4 day
572.4 to 575.9
Semi-Major Axis
1.34 au
1.33 to 1.35
Mass
2660.2 Mearth
1681.2 to 2660.2
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 |
|---|---|---|---|---|---|---|---|---|
| 1999 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 572.4 day | — | 2660.2 Mearth | — | Stassun et al. 2017 |
| 1999 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 572.5 day | — | 2504.5 Mearth | — | Rosenthal et al. 2021 |
| 1999 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 575.9 day | — | 1681.2 Mearth | — | Vogt et al. 2000 |
| 1999 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 572.4 day | — | 2463.1 Mearth | — | Butler et al. 2006 |