What it’s like to stand here
Kepler-668 b
weight
≈ 1.06 g
sun
10.7× wider
sky
warm white

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

Sub-Neptune

Kepler-668 b

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

Kepler-668
host star
2.70 R⊕
radius
7.75 M⊕
mass · estimated from radius
8.4 days
orbital period
517°C (962°F)
avg temp
What it's like to stand here
≈ 1.06 g
your weight (mass estimated from size)
8.4 days
one year, in Earth time
10.7× wider
how big its sun looks vs ours
warm white
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 · 2,559 ly away
Jet airliner
3.1 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
4.0 million years
dies en route1000-yr cryo: fails
Light speed
2,559 years
dies en route1000-yr cryo: fails
Warp 10
3 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-668 b is 2.7× the width of Earth
Explore from here · roam the neighborhood
Host star
Kepler-668
5352 K host star · 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
FAINT — LARGE TELESCOPE NEEDED
Host-star brightnessmag 15.4
ConstellationDraco
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-668 b's confirmed parameters, not a photograph.