What it’s like to stand here
K2-280 b
weight
0.66 g
sun
8.8× wider
sky
warm white

Illustration computed from this world’s measured and derived values, not a photograph.

Ice / gas giant

K2-280 b

Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.

K2-280
host star
7.50 R⊕
radius
37.10 M⊕
mass · measured
20 days
orbital period
514°C (957°F)
avg temp
What it's like to stand here
0.66 g
surface gravity (no solid surface · measured mass)
20 days
one year, in Earth time
8.8× wider
how big its sun looks vs ours
warm white
midday sky tint
1.5×
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 · 1,277 ly away
Jet airliner
1.5 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
2.0 million years
dies en route1000-yr cryo: fails
Light speed
1,277 years
dies en route1000-yr cryo: fails
Warp 10
1 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthK2-280 b is 7.5× the width of Earth
Explore from here · roam the neighborhood
Host star
K2-280
5500 K host star · 1 planet
Explore →
Sibling worlds in this system

No other confirmed planets here yet. New ones auto-appear as telescopes report.

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
Host-star brightnessmag 12.5
ConstellationSagittarius
To see the host star8-10" (200-250 mm) telescope
Gear bridge

Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.

Illustration generated from K2-280 b's confirmed parameters, not a photograph.