Terrestrial planet · Kepler-138
Kepler-138 e
ExoplanetsDiscovered 2022
Scientific overview
Kepler-138 e is a terrestrial planet orbiting Kepler-138, completing an orbit every 38 days, about 218 light-years from Earth. It was discovered in 2022 using the transit timing variations.
Host star
Planetary system — Kepler-138 system
View the Kepler-138 system (4 known planets).
| Planet | Class | Radius (R⊕) | Period (d) | Distance (ly) |
|---|---|---|---|---|
| Kepler-138 bTransit · 2014 | Terrestrial planet | 0.64 | 10.3134 | 218 |
| Kepler-138 cTransit · 2014 | Terrestrial planet | 1.51 | 13.7815 | 218 |
| Kepler-138 dTransit · 2014 | Terrestrial planet | 1.51 | 23.0923 | 218 |
| Kepler-138 eTransit Timing Variations · 2022 | Terrestrial planet | 0.8 | 38.23 | 218 |
Discovery and detection
Detection method
Transit Timing Variations
Discovery year
2022
Knowledge connections
- OrbitsKepler-138
- Member of systemKepler-138 system
- Discovered by methodTransit Timing Variations
- Catalogued inNASA Exoplanet Archive