What it’s like to stand here
Kepler-238 b
weight
1104.29 g
sun
41.5× wider
sky
warm white

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

Sub-Neptune

Kepler-238 b

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

Kepler-238
host star
1.73 R⊕
radius
3,305 M⊕
mass · measured
2.1 days
orbital period
1369°C (2496°F)
avg temp
What it's like to stand here
1104.29 g
your weight (measured mass)
2.1 days
one year, in Earth time
41.5× wider
how big its sun looks vs ours
warm white
midday sky tint
0.0×
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 · 5,867 ly away
Jet airliner
7.0 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
9.1 million years
dies en route1000-yr cryo: fails
Light speed
5,867 years
dies en route1000-yr cryo: fails
Warp 10
6 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-238 b is 1.7× the width of Earth
Explore from here · roam the neighborhood
Host star
Kepler-238
5751 K host star · 5 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
FAINT — LARGE TELESCOPE NEEDED
Host-star brightnessmag 15.3
ConstellationLyra
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 Kepler-238 b's confirmed parameters, not a photograph.