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barnard-dbarnard-b
Size Comparison
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| Property | Barnard b | Barnard d |
|---|---|---|
| Host Star | Barnard's star | Barnard's star |
| Star Radius (R☉) | 0.19 | 0.19 |
| Star Luminosity (L☉) | 0 | 0 |
| Distance (ly) | 6 | 6 |
| Discovery Year | 2,024 | 2,025 |
| Discovery Method | Radial Velocity | Radial Velocity |
| Orbital Period (days) | 3.15 | 2.34 |
| Semi-Major Axis (AU) | 0.02 | 0.02 |
| Eccentricity | 0.03 | 0.04 |
| Mass (Earth) | 0.3 | 0.26 |
| Mass (Jupiter) | 0 | 0 |
| Radius (Earth) | - | - |
| Radius (Jupiter) | - | - |
| Density (g/cm³) | - | - |
| Eq. Temperature (K) | 438 | 483 |
| Insolation Flux | - | - |
| Habitable | No | No |