Exoplanet GJ 3378 b
Radius1.32 R⊕Earth = 1
Mass2.3 M⊕Earth = 1
Orbital period21.45 d
Equilibrium temp.272 K≈ -1 °C
Distance25.2 ly
Discovered2026Radial Velocity
Size compared (radius, Earth = 1)
1.00
1.32
3.88
11.21
Where it sits among all planets (percentile)
11%
10%
67%
9%
1%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of GJ 3378 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| GJ 3378 b | 21.45 | 1.32 | 2.3 | 272 | 2026 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| GJ 3378 | M4 V | 3,340 | 0.28 | 0.26 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.