What it’s like to stand here
Kepler-256 d
- weight
- ≈ 1.09 g
- sun
- 20.3× wider
- sky
- warm white
Illustration computed from this world’s measured and derived values, not a photograph.
Sub-Neptune
Kepler-256 d
Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.
Kepler-256 →
host star
2.48 R⊕
radius
6.71 M⊕
mass · estimated from radius
5.8 days
orbital period
824°C (1515°F)
avg temp
What it's like to stand here
≈ 1.09 g
your weight (mass estimated from size)
5.8 days
one year, in Earth time
20.3× wider
how big its sun looks vs ours
warm white
midday sky tint
0.9×
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 · 3,348 ly away
Jet airliner
4.0 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
5.2 million years
dies en route1000-yr cryo: fails
Light speed
3,348 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
Host star
Kepler-256
5551 K host star · 4 planets
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
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-256 d's confirmed parameters, not a photograph.