What it’s like to stand here
Kepler-303 c
weight
≈ 1.19 g
sun
8.5× wider
sky
deep orange

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

Rocky world

Kepler-303 c

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

Kepler-303
host star
1.14 R⊕
radius
1.55 M⊕
mass · estimated from radius
7.1 days
orbital period
248°C (478°F)
avg temp
What it's like to stand here
≈ 1.19 g
your weight (mass estimated from size)
7.1 days
one year, in Earth time
8.5× wider
how big its sun looks vs ours
deep orange
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 · 684 ly away
Jet airliner
820 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
1.1 million years
dies en route1000-yr cryo: fails
Light speed
684 years
dies en route1000-yr cryo: survives
Warp 10
250 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-303 c is 1.1× the width of Earth
Explore from here · roam the neighborhood
Host star
Kepler-303
M0 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
FAINT — LARGE TELESCOPE NEEDED
Host-star brightnessmag 14.9
ConstellationLyra
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-303 c's confirmed parameters, not a photograph.