M-type star · red dwarf
TRAPPIST-1
2566 K
temperature
0.12 R☉
radius
0.09 M☉
mass
0.001 L☉
luminosity
How long to get there · 40.5 ly away
At light speed, about 41 years to reach this system.
See the full survival timeline (jet to folding spacetime) →Size vs the Sun
How it compares with our Sun
0.44×
as hot as the Sun
0.12×
the Sun's width
0.09×
the Sun's mass
0.0006×
the Sun's light output
Worlds orbiting this star
- Explore →TRAPPIST-1 bRocky world · ESI 0.701.12 R⊕ · 1.5 days year
- Explore →TRAPPIST-1 cRocky world · ESI 0.791.10 R⊕ · 2.4 days year
- Explore →TRAPPIST-1 dRocky world · ESI 0.850.79 R⊕ · 4.0 days year
- Explore →TRAPPIST-1 eRocky world · ESI 0.950.92 R⊕ · 6.1 days year
- Explore →TRAPPIST-1 fRocky world · ESI 0.881.04 R⊕ · 9.2 days year
- Explore →TRAPPIST-1 gRocky world · ESI 0.801.13 R⊕ · 12 days year
- Explore →TRAPPIST-1 hRocky world · ESI 0.670.76 R⊕ · 19 days year
Explore from here · roam the neighborhood
Zoom out: system → (soon) galaxy arm, and the host black hole at the galaxy's heart.
Can you see it tonight?
FAINT — LARGE TELESCOPE NEEDED
Brightness mag 17.0To see it 10"+ (250 mm) telescope, dark sky
Illustration generated from TRAPPIST-1's temperature, not a photograph.