Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 222237 b
Host star HD 222237 • 14892 d orbit
Records
4
archive rows
Discovery
2024
Radial Velocity
Radius
—
default parameter set
Mass
1649.5 M⊕
default parameter set
HD 222237
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: Xiao et al. 2024
Host Star
HD 222237
Stable across source rows
Discovery Year
2024
Stable across source rows
Orbital Period
14892 day
13997 to 20089
Semi-Major Axis
10.80 au
10.40 to 12.90
Mass
1649.5 Mearth
1519.2 to 1649.5
Provenance
Underlying measurements and references
Evidence Summary
Rows
4
Refs
3
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2024 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 13997 day | — | 1528.8 Mearth | — | Piccinini et al. 2026 |
| 2024 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 14892 day | — | 1649.5 Mearth | — | Xiao et al. 2024 |
| 2024 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 13997 day | — | 1519.2 Mearth | — | Piccinini et al. 2026 |
| 2024 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 20089 day | — | 1589.1 Mearth | — | An et al. 2025 |