What it’s like to stand here
Kepler-857 b
- weight
- ≈ 0.80 g
- sun
- 2.6× wider
- sky
- warm white
Illustration computed from this world’s measured and derived values, not a photograph.
Ice / gas giant
Kepler-857 b
Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.
Kepler-857 →
host star
6.80 R⊕
radius
37.20 M⊕
mass · estimated from radius
85 days
orbital period
117°C (242°F)
avg temp
What it's like to stand here
≈ 0.80 g
surface gravity (no solid surface · mass estimated from size)
85 days
one year, in Earth time
2.6× wider
how big its sun looks vs ours
warm white
midday sky tint
1.2×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 3,208 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
3,208 years
dies en route1000-yr cryo: fails
Warp 10
3 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Kepler-857 bIce / gas giant
PlanetKepler-799 bsimilar world
SystemKepler-41757 ly
Sky regionCygnusthis direction
Host star
Kepler-857
5773 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
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 15.2
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-857 b's confirmed parameters, not a photograph.