Exoplanet Kepler-398 d
Radius0.88 R⊕Earth = 1
Mass0.6 M⊕Earth = 1
Orbital period6.83 d
Equilibrium temp.636 K≈ 363 °C
Distance578.5 ly
Discovered2016Transit
Size compared (radius, Earth = 1)
0.88
1.00
3.88
11.21
Where it sits among all planets (percentile)
2%
2%
38%
39%
35%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Kepler-398 (3)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-398 b | 4.08 | 0.93 | 0.7 | 755 | 2014 |
| Kepler-398 d | 6.83 | 0.88 | 0.6 | 636 | 2016 |
| Kepler-398 c | 11.42 | 1.01 | 1.0 | 536 | 2014 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Kepler-398 | – | 4,557 | 0.67 | 0.72 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.