Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 222155 b
Host star HD 222155 • 3999 d orbit
Records
3
archive rows
Discovery
2011
Radial Velocity
Radius
—
default parameter set
Mass
673.8 M⊕
default parameter set
HD 222155
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 222155
Stable across source rows
Discovery Year
2011
Stable across source rows
Orbital Period
3999 day
3270 to 3999
Semi-Major Axis
5.14 au
4.48 to 5.14
Mass
673.8 Mearth
581.6 to 673.8
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 |
|---|---|---|---|---|---|---|---|---|
| 2011 | Radial Velocity | Haute-Provence Observatory | 1.93 m Telescope | 3999 day | — | 673.8 Mearth | — | Stassun et al. 2017 |
| 2011 | Radial Velocity | Haute-Provence Observatory | 1.93 m Telescope | 3270 day | — | 581.6 Mearth | — | Xiao et al. 2023 |
| 2011 | Radial Velocity | Haute-Provence Observatory | 1.93 m Telescope | 3999 day | — | 603.9 Mearth | — | Boisse et al. 2012 |