What it’s like to stand here
Kepler-278 c
weight
3.27 g
sun
10.0× wider
sky
amber-orange

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

Sub-Neptune

Kepler-278 c

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

Kepler-278
host star
3.27 R⊕
radius
34.90 M⊕
mass · measured
51 days
orbital period
219°C (426°F)
avg temp
What it's like to stand here
3.27 g
your weight (measured mass)
51 days
one year, in Earth time
10.0× wider
how big its sun looks vs ours
amber-orange
midday sky tint
0.3×
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 · 1,445 ly away
Jet airliner
1.7 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
2.3 million years
dies en route1000-yr cryo: fails
Light speed
1,445 years
dies en route1000-yr cryo: fails
Warp 10
1 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-278 c is 3.3× the width of Earth
Explore from here · roam the neighborhood
Host star
Kepler-278
K2 III-IV · 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 11.8
ConstellationLyra
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-278 c's confirmed parameters, not a photograph.