Exoplanet Barnard e
Radius0.64 R⊕Earth = 1
Mass0.2 M⊕Earth = 1
Orbital period6.74 d
Equilibrium temp.340 K≈ 67 °C
Distance6.0 ly
Discovered2025Radial Velocity
Size compared (radius, Earth = 1)
0.64
1.00
3.88
11.21
Where it sits among all planets (percentile)
0%
0%
38%
13%
0%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Barnard's star (4)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Barnard d | 2.34 | 0.69 | 0.3 | 483 | 2025 |
| Barnard b | 3.15 | 0.72 | 0.3 | 438 | 2024 |
| Barnard c | 4.12 | 0.74 | 0.3 | 400 | 2025 |
| Barnard e | 6.74 | 0.64 | 0.2 | 340 | 2025 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Barnard's star | M3.5-4 V | 3,195 | 0.18 | 0.16 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.