What it’s like to stand here
K2-209 b
weight
≈ 0.78 g
sky
amber-orange

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

Rocky world

K2-209 b

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

K2-209
host star
0.87 R⊕
radius
0.59 M⊕
mass · estimated from radius
2.1 days
orbital period
avg temp
What it's like to stand here
≈ 0.78 g
your weight (mass estimated from size)
2.1 days
one year, in Earth time
sun size, needs orbit
amber-orange
midday sky tint
1.3×
how high you could jump vs Earth
rotation unknown
How long to get there · 250 ly away
Jet airliner
299 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
389,130 years
dies en route1000-yr cryo: fails
Light speed
250 years
dies en route1000-yr cryo: survives
Warp 10
91 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthK2-209 b is 1.2× narrower than Earth
Explore from here · roam the neighborhood
Host star
K2-209
4720 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
SMALL TELESCOPE NEEDED
Host-star brightnessmag 11.1
ConstellationCetus
To see the host star4-6" (100-150 mm) telescope
Gear bridge

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

Illustration generated from K2-209 b's confirmed parameters, not a photograph.