Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 181342 b
Host star HD 181342 • 564.1 d orbit
Records
5
archive rows
Discovery
2009
Radial Velocity
Radius
—
default parameter set
Mass
807.3 M⊕
default parameter set
HD 181342
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: Luhn et al. 2019
Host Star
HD 181342
Stable across source rows
Discovery Year
2009
Stable across source rows
Orbital Period
564.1 day
562.1 to 663
Semi-Major Axis
1.59 au
1.59 to 1.78
Mass
807.3 Mearth
762.8 to 1204.6
Provenance
Underlying measurements and references
Evidence Summary
Rows
5
Refs
5
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2009 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 663 day | — | 1048.8 Mearth | — | Johnson et al. 2010 |
| 2009 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 564.1 day | — | 807.3 Mearth | — | Luhn et al. 2019 |
| 2009 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 562.1 day | — | 921.7 Mearth | — | Jones et al. 2016 |
| 2009 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 563.6 day | — | 762.8 Mearth | — | Jenkins et al. 2025 |
| 2009 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 663 day | — | 1204.6 Mearth | — | Stassun et al. 2017 |