What it’s like to stand here
Kepler-138 e
weight
0.68 g
sun
3.0× wider
sky
deep orange

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

Rocky world

Kepler-138 e

ESI 0.85218 lyDiscovered in 2022 by Multiple Observatories

Transit Timing Variations: inferred from the gravitational tug it puts on a sibling planet’s transit timing.

Kepler-138 →
host star
0.80 R⊕
radius
0.43 M⊕
mass · measured
38 days
orbital period
19°C (66°F)
avg temp
What it's like to stand here
0.68 g
your weight (measured mass)
38 days
one year, in Earth time
3.0× wider
how big its sun looks vs ours
deep orange
midday sky tint
1.5×
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 e is 1.3× narrower than Earth
Explore from here · roam the neighborhood
Kepler-138 eRocky world
PlanetKepler-138 bRocky world
PlanetKepler-138 cRocky world
PlanetTOI-700 esimilar world
SystemKepler-40917 ly
Sky regionLyrathis direction
Host star
Kepler-138
M1 V · 4 planets
Explore →
Sibling worlds in this system
Nearby star systems
Similar worlds (size · gravity · star)

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 e's confirmed parameters, not a photograph.