Exoplanet GJ 1289 b
Radius2.38 R⊕Earth = 1
Mass6.3 M⊕Earth = 1
Orbital period111.74 d
Equilibrium temp.150 K≈ -123 °C
Distance27.2 ly
Discovered2024Radial Velocity
Size compared (radius, Earth = 1)
1.00
2.38
3.88
11.21
Where it sits among all planets (percentile)
38%
36%
84%
4%
1%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of GJ 1289 (1)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| GJ 1289 b | 111.74 | 2.38 | 6.3 | 150 | 2024 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| GJ 1289 | M4.5 Ve | 3,296 | 0.25 | 0.21 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.