What it’s like to stand here
K2-238 b
weight
1.29 g
sun
34.3× wider
sky
warm white

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

Gas giant

K2-238 b

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

K2-238
host star
14.57 R⊕
radius
273 M⊕
mass · measured
3.2 days
orbital period
1314°C (2397°F)
avg temp
What it's like to stand here
1.29 g
surface gravity (no solid surface · measured mass)
3.2 days
one year, in Earth time
34.3× wider
how big its sun looks vs ours
warm white
midday sky tint
0.8×
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 · 1,755 ly away
Jet airliner
2.1 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
2.7 million years
dies en route1000-yr cryo: fails
Light speed
1,755 years
dies en route1000-yr cryo: fails
Warp 10
2 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthK2-238 b is 15× the width of Earth
Explore from here · roam the neighborhood
Host star
K2-238
G2 V · 1 planet
Explore →
Sibling worlds in this system

No other confirmed planets here yet. New ones auto-appear as telescopes report.

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 14.0
ConstellationAquarius
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 K2-238 b's confirmed parameters, not a photograph.