TRAPPIST-1
TRAPPIST-1 is an M8.0 V star 40.5 light years away with 7 known planets. The first was found in 2016 and the latest in 2017.
Open in 3DPlanets
| Planet | Orbital period | Distance from star | Radius (Earths) | Mass (Earths) | Found | Method |
|---|---|---|---|---|---|---|
| TRAPPIST-1 b | 1.511 days | 0.01154 AU | 1.116 | 1.374 | 2016 | Transit |
| TRAPPIST-1 c | 2.422 days | 0.0158 AU | 1.097 | 1.308 | 2016 | Transit |
| TRAPPIST-1 d | 4.049 days | 0.02227 AU | 0.788 | 0.388 | 2016 | Transit |
| TRAPPIST-1 e | 6.101 days | 0.02925 AU | 0.92 | 0.692 | 2017 | Transit |
| TRAPPIST-1 f | 9.208 days | 0.03849 AU | 1.045 | 1.039 | 2017 | Transit |
| TRAPPIST-1 g | 12.35 days | 0.04683 AU | 1.129 | 1.321 | 2017 | Transit |
| TRAPPIST-1 h | 18.77 days | 0.06189 AU | 0.755 | 0.326 | 2017 | Transit |
Star
- Spectral type M8.0 V
- 2,566 K surface temperature
- 0.0898 times the mass of the Sun
- 0.1192 times the radius of the Sun
Data from the NASA Exoplanet Archive, as of October 3, 2026. In the 3D view sizes and distances are compressed and every orbit is drawn in the same plane. Where each planet sits along its orbit is made up.