18.8
Apparent Mag40.7
Distance (ly)M8V
Spectral Type2,566
Temperature (K)TRAPPIST-1 is an ultra-cool red dwarf hosting seven Earth-sized planets, three of which are in the habitable zone. It is one of the most studied exoplanetary systems.
Stellar Data
Apparent Magnitude18.8
Absolute Magnitude18.4
Distance40.7 light-years
Spectral TypeM8V
Temperature2,566 K
Luminosity0.001 L☉
Radius0.121 R☉
Mass0.0898 M☉
Right Ascension23h 06m 29.4s
Declination-05° 02′ 29.0″
ConstellationAquarius
Notable Facts
- TRAPPIST-1 has seven Earth-sized planets, the most found in any system
- Three planets are in the habitable zone
- The entire system would fit inside Mercury's orbit around the Sun