What it’s like to stand here
K2-154 c
weight
≈ 1.15 g
sun
9.3× wider
sky
amber-orange

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

Sub-Neptune

K2-154 c

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

K2-154
host star
2.07 R⊕
radius
4.94 M⊕
mass · estimated from radius
8.0 days
orbital period
279°C (534°F)
avg temp
What it's like to stand here
≈ 1.15 g
your weight (mass estimated from size)
8.0 days
one year, in Earth time
9.3× wider
how big its sun looks vs ours
amber-orange
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 · 422 ly away
Jet airliner
506 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
658,003 years
dies en route1000-yr cryo: fails
Light speed
422 years
dies en route1000-yr cryo: survives
Warp 10
154 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthK2-154 c is 2.1× the width of Earth
Explore from here · roam the neighborhood
Host star
K2-154
M0.0 V · 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
MID-SIZE TELESCOPE NEEDED
Host-star brightnessmag 13.9
ConstellationVirgo
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 K2-154 c's confirmed parameters, not a photograph.