What it’s like to stand here
Kepler-417 b
weight
2.06 g
sun
8.0× wider
sky
amber-orange

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

Sub-Neptune

Kepler-417 b

Transit Timing Variations: inferred from the gravitational tug it puts on a sibling planet’s transit timing.

Kepler-417
host star
2.31 R⊕
radius
11.00 M⊕
mass · measured
12 days
orbital period
398°C (748°F)
avg temp
What it's like to stand here
2.06 g
your weight (measured mass)
12 days
one year, in Earth time
8.0× wider
how big its sun looks vs ours
amber-orange
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 · 3,177 ly away
Jet airliner
3.8 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
5.0 million years
dies en route1000-yr cryo: fails
Light speed
3,177 years
dies en route1000-yr cryo: fails
Warp 10
3 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-417 b is 2.3× the width of Earth
Explore from here · roam the neighborhood
Host star
Kepler-417
5177 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
FAINT — LARGE TELESCOPE NEEDED
Host-star brightnessmag 15.9
ConstellationCygnus
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-417 b's confirmed parameters, not a photograph.