Discovery Method
Radial Velocity
Consistent across records
←Back to Exoplanets
ExoplanetDetail
Barnard b
Host star Barnard's star • 3.15 d orbit
Records
2
archive rows
Discovery
2024
Radial Velocity
Radius
—
default parameter set
Mass
0.30 M⊕
default parameter set
Barnard's star
438 K equilibrium
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: Basant et al. 2025
Host Star
Barnard's star
Stable across source rows
Discovery Year
2024
Stable across source rows
Orbital Period
3.15 day
3.15 to 3.15
Semi-Major Axis
0.02 au
0.02 to 0.02
Mass
0.30 Mearth
0.30 to 0.37
Equilibrium Temperature
438 K
400 to 438
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Periodstable
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2024 | Radial Velocity | Paranal Observatory | 8.2 m ESO VLT UT3 Melipal Telescope | 3.15 day | — | 0.37 Mearth | 400 K | González Hernández et al. 2024 |
| 2024 | Radial Velocity | Paranal Observatory | 8.2 m ESO VLT UT3 Melipal Telescope | 3.15 day | — | 0.30 Mearth | 438 K | Basant et al. 2025 |