What it’s like to stand here
Kepler-1397 b
- weight
- ≈ 1.22 g
- sun
- 4.3× wider
- sky
- bright white
Illustration computed from this world’s measured and derived values, not a photograph.
Sub-Neptune
Kepler-1397 b
Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.
Kepler-1397 →
host star
1.72 R⊕
radius
3.61 M⊕
mass · estimated from radius
47 days
orbital period
278°C (532°F)
avg temp
What it's like to stand here
≈ 1.22 g
your weight (mass estimated from size)
47 days
one year, in Earth time
4.3× wider
how big its sun looks vs ours
bright 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 · 3,908 ly away
Jet airliner
4.7 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
6.1 million years
dies en route1000-yr cryo: fails
Light speed
3,908 years
dies en route1000-yr cryo: fails
Warp 10
4 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Kepler-1397 bSub-Neptune
PlanetKepler-270 csimilar world
SystemKepler-4497 ly
Sky regionCygnusthis direction
Host star
Kepler-1397
6026 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-1397 b's confirmed parameters, not a photograph.