What it’s like to stand here
KOI-12 b
weight
1.84 g
sun
9.1× wider
sky
bright white

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

Gas giant

KOI-12 b

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

KOI-12
host star
13.79 R⊕
radius
350 M⊕
mass · measured
18 days
orbital period
638°C (1180°F)
avg temp
What it's like to stand here
1.84 g
surface gravity (no solid surface · measured mass)
18 days
one year, in Earth time
9.1× wider
how big its sun looks vs ours
bright white
midday sky tint
0.5×
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 · 1,303 ly away
Jet airliner
1.6 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
2.0 million years
dies en route1000-yr cryo: fails
Light speed
1,303 years
dies en route1000-yr cryo: fails
Warp 10
1 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKOI-12 b is 14× the width of Earth
Explore from here · roam the neighborhood
Host star
KOI-12
6635 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 11.5
ConstellationCygnus
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 KOI-12 b's confirmed parameters, not a photograph.