What it’s like to stand here
TRAPPIST-1 h
- weight
- 0.57 g
- sun
- 1.9× wider
- sky
- dim red
Illustration computed from this world’s measured and derived values, not a photograph.
Rocky world
TRAPPIST-1 h
Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.
TRAPPIST-1 →
host star
0.76 R⊕
radius
0.33 M⊕
mass · measured
19 days
orbital period
-101°C (-151°F)
avg temp
What it's like to stand here
0.57 g
your weight (measured mass)
19 days
one year, in Earth time
1.9× wider
how big its sun looks vs ours
dim red
midday sky tint
1.7×
how high you could jump vs Earth
likely
likely tidally locked: probably eternal day on one side, night on the other
How long to get there · 40.5 ly away
Jet airliner
48.6 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
63,228 years
dies en route1000-yr cryo: fails
Light speed
41 years
arrives elderly
Warp 10
15 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Zoom out: star → system → (soon) galaxy arm, host black hole, and a real image of the host galaxy.
Can you see it tonight? · observe
FAINT — LARGE TELESCOPE NEEDED
Host-star brightnessmag 17.0
ConstellationAquarius →
To see the host star10"+ (250 mm) telescope, dark sky
Gear bridge
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
Illustration generated from TRAPPIST-1 h's confirmed parameters, not a photograph.