Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
GJ 581 b
Host star GJ 581 • 5.37 d orbit
Records
7
archive rows
Discovery
2005
Radial Velocity
Radius
—
default parameter set
Mass
20.50 M⊕
default parameter set
GJ 581
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: von Stauffenberg et al. 2024
Host Star
GJ 581
Stable across source rows
Discovery Year
2005
Stable across source rows
Orbital Period
5.37 day
5.37 to 5.37
Semi-Major Axis
0.04 au
0.04 to 0.04
Mass
20.50 Mearth
15.20 to 20.50
Provenance
Underlying measurements and references
Evidence Summary
Rows
7
Refs
7
Methods
1
Discoverystable
Facilitystable
Periodstable
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2005 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 5.37 day | — | 20.50 Mearth | — | von Stauffenberg et al. 2024 |
| 2005 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 5.37 day | — | 15.60 Mearth | — | Vogt et al. 2010 |
| 2005 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 5.37 day | — | 16.60 Mearth | — | Bonfils et al. 2005 |
| 2005 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 5.37 day | — | 15.65 Mearth | — | Mayor et al. 2009 |
| 2005 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 5.37 day | — | 16.24 Mearth | — | Rosenthal et al. 2021 |
| 2005 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 5.37 day | — | 15.20 Mearth | — | Trifonov et al. 2018 |
| 2005 | Radial Velocity | La Silla Observatory | 3.6 m ESO Telescope | 5.37 day | — | 15.80 Mearth | — | Robertson et al. 2014 |