What it’s like to stand here
Kepler-87 b
weight
1.78 g
sun
3.8× wider
sky
warm white

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

Gas giant

Kepler-87 b

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

Kepler-87
host star
13.49 R⊕
radius
324 M⊕
mass · measured
115 days
orbital period
205°C (401°F)
avg temp
What it's like to stand here
1.78 g
surface gravity (no solid surface · measured mass)
115 days
one year, in Earth time
3.8× wider
how big its sun looks vs ours
warm white
midday sky tint
0.6×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 4,021 ly away
Jet airliner
4.8 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
6.3 million years
dies en route1000-yr cryo: fails
Light speed
4,021 years
dies en route1000-yr cryo: fails
Warp 10
4 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-87 b is 13× the width of Earth
Explore from here · roam the neighborhood
Host star
Kepler-87
5600 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
FAINT — LARGE TELESCOPE NEEDED
Host-star brightnessmag 14.7
ConstellationCygnus
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-87 b's confirmed parameters, not a photograph.