Exoplanet Kepler-42 d
Radius0.57 R⊕Earth = 1
Mass0.4 M⊕Earth = 1
Orbital period1.87 d
Equilibrium temp.450 K≈ 177 °C
Distance130.7 ly
Discovered2011Transit
Size compared (radius, Earth = 1)
0.57
1.00
3.88
11.21
Where it sits among all planets (percentile)
0%
1%
6%
22%
12%
Share of planets with a smaller value (of 6,445 planets, where known).
Planets of Kepler-42 (3)
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| Kepler-42 c | 0.45 | 0.73 | 60.3 | 720 | 2011 |
| Kepler-42 b | 1.21 | 0.78 | 0.7 | 519 | 2011 |
| Kepler-42 d | 1.87 | 0.57 | 0.4 | 450 | 2011 |
| Host star | Spectral type | Teff K | Radius (R☉) | Mass (M☉) |
|---|---|---|---|---|
| Kepler-42 | M | 3,068 | 0.17 | 0.13 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.