What it’s like to stand here
Kepler-78 b
weight
1.16 g
sun
79.2× wider
sky
amber-orange

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

Rocky world

Kepler-78 b

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

Kepler-78
host star
1.20 R⊕
radius
1.68 M⊕
mass · measured
8.5 hours
orbital period
1950°C (3542°F)
avg temp
What it's like to stand here
1.16 g
your weight (measured mass)
8.5 hours
one year, in Earth time
79.2× 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 · 406 ly away
Jet airliner
486 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
632,671 years
dies en route1000-yr cryo: fails
Light speed
406 years
dies en route1000-yr cryo: survives
Warp 10
148 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-78 b is 1.2× the width of Earth
Explore from here · roam the neighborhood
Host star
Binary system
Kepler-78
G · 1 planet
Explore →
Sibling worlds in this system

No other confirmed planets here yet. New ones auto-appear as telescopes report.

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 11.7
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 Kepler-78 b's confirmed parameters, not a photograph.