What it’s like to stand here
K2-257 b
- weight
- ≈ 0.72 g
- sun
- 23.1× wider
- sky
- deep orange
Illustration computed from this world’s measured and derived values, not a photograph.
Rocky world
K2-257 b
Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.
K2-257 →
host star
0.83 R⊕
radius
0.50 M⊕
mass · estimated from radius
1.6 days
orbital period
516°C (961°F)
avg temp
What it's like to stand here
≈ 0.72 g
your weight (mass estimated from size)
1.6 days
one year, in Earth time
23.1× wider
how big its sun looks vs ours
deep orange
midday sky tint
1.4×
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 · 209 ly away
Jet airliner
250 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
325,586 years
dies en route1000-yr cryo: fails
Light speed
209 years
dies en route1000-yr cryo: survives
Warp 10
76 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Host star
K2-257
3725 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 K2-257 b's confirmed parameters, not a photograph.