What it’s like to stand here
Kepler-1139 b
- weight
- ≈ 1.28 g
- sun
- 53.6× wider
- sky
- warm white
Illustration computed from this world’s measured and derived values, not a photograph.
Rocky world
Kepler-1139 b
Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.
Kepler-1139 →
host star
1.19 R⊕
radius
1.81 M⊕
mass · estimated from radius
19.5 hours
orbital period
1420°C (2588°F)
avg temp
What it's like to stand here
≈ 1.28 g
your weight (mass estimated from size)
19.5 hours
one year, in Earth time
53.6× wider
how big its sun looks vs ours
warm white
midday sky tint
0.8×
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 · 1,615 ly away
Jet airliner
1.9 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
2.5 million years
dies en route1000-yr cryo: fails
Light speed
1,615 years
dies en route1000-yr cryo: fails
Warp 10
2 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Kepler-1139 bRocky world
PlanetKepler-775 bsimilar world
SystemKepler-158118 ly
Sky regionLyrathis direction
Host star
Kepler-1139
5550 K host star · 1 planet
Sibling worlds in this system
No other confirmed planets here yet. New ones auto-appear as telescopes report.
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
MID-SIZE TELESCOPE NEEDED
Gear bridge
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
Illustration generated from Kepler-1139 b's confirmed parameters, not a photograph.