What it’s like to stand here
Kepler-539 c
weight
4.31 g
sun
0.39× as wide
sky
warm white

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

Gas giant

Kepler-539 c

ESI 0.481,002 lyDiscovered in 2016 by Kepler

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

Kepler-539 →
host star
13.30 R⊕
radius
763 M⊕
mass · measured
2.7 years
orbital period
-20°C (-4°F)
avg temp
What it's like to stand here
4.31 g
surface gravity (no solid surface · measured mass)
2.7 years
one year, in Earth time
0.39× as wide
how big its sun looks vs ours
warm white
midday sky tint
0.2×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 1,002 ly away
Jet airliner
1.2 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
1.6 million years
dies en route1000-yr cryo: fails
Light speed
1,002 years
dies en route1000-yr cryo: fails
Warp 10
1 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-539 c is 13× the width of Earth
Explore from here · roam the neighborhood
Kepler-539 cGas giant
PlanetKepler-539 bGas giant
PlanetHD 220773 bsimilar world
SystemKepler-4816 ly
Sky regionCygnusthis direction
Host star
Kepler-539
G2 V · 2 planets
Explore →
Sibling worlds in this system
Nearby star systems
Similar worlds (size · gravity · star)

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 12.4
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-539 c's confirmed parameters, not a photograph.