What it’s like to stand here
Kepler-138 b
weight
0.17 g
sun
7.1× wider
sky
deep orange

Illustration computed from this world’s measured and derived values, not a photograph.

Rocky world

Kepler-138 b

Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.

Kepler-138
host star
0.64 R⊕
radius
0.07 M⊕
mass · measured
10 days
orbital period
179°C (354°F)
avg temp
What it's like to stand here
0.17 g
your weight (measured mass)
10 days
one year, in Earth time
7.1× wider
how big its sun looks vs ours
deep orange
midday sky tint
5.9×
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 · 218 ly away
Jet airliner
262 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
340,113 years
dies en route1000-yr cryo: fails
Light speed
218 years
dies en route1000-yr cryo: survives
Warp 10
80 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-138 b is 1.6× narrower than Earth
Explore from here · roam the neighborhood
Host star
Kepler-138
M1 V · 4 planets
Explore →

Zoom out: star → system → (soon) galaxy arm, host black hole, and a real image of the host galaxy.

Can you see it tonight? · observe
MID-SIZE TELESCOPE NEEDED
Host-star brightnessmag 13.0
ConstellationLyra
To see the host star8-10" (200-250 mm) telescope
Gear bridge

Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.

Illustration generated from Kepler-138 b's confirmed parameters, not a photograph.