What it’s like to stand here
K2-158 b
weight
≈ 1.07 g
sun
10.7× wider
sky
warm white

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

Sub-Neptune

K2-158 b

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

K2-158
host star
2.64 R⊕
radius
7.46 M⊕
mass · estimated from radius
10 days
orbital period
521°C (970°F)
avg temp
What it's like to stand here
≈ 1.07 g
your weight (mass estimated from size)
10 days
one year, in Earth time
10.7× wider
how big its sun looks vs ours
warm white
midday sky tint
0.9×
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 · 644 ly away
Jet airliner
772 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
1.0 million years
dies en route1000-yr cryo: fails
Light speed
644 years
dies en route1000-yr cryo: survives
Warp 10
235 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthK2-158 b is 2.6× the width of Earth
Explore from here · roam the neighborhood
Host star
K2-158
5503 K host star · 2 planets
Explore →
Sibling worlds in this system

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

Can you see it tonight? · observe
SMALL TELESCOPE NEEDED
Host-star brightnessmag 11.8
ConstellationVirgo
To see the host star4-6" (100-150 mm) telescope
Gear bridge

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

Illustration generated from K2-158 b's confirmed parameters, not a photograph.