What it’s like to stand here
K2-3 d
weight
1.03 g
sun
2.7× wider
sky
deep orange

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

Rocky world · likely temperate

K2-3 d

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

K2-3
host star
1.46 R⊕
radius
2.20 M⊕
mass · measured
45 days
orbital period
32°C (90°F)
avg temp
What it's like to stand here
1.03 g
your weight (measured mass)
45 days
one year, in Earth time
2.7× wider
how big its sun looks vs ours
deep orange
midday sky tint
1.0×
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 · 144 ly away
Jet airliner
172 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
224,187 years
dies en route1000-yr cryo: fails
Light speed
144 years
dies en route1000-yr cryo: survives
Warp 10
52 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthK2-3 d is 1.5× the width of Earth
Explore from here · roam the neighborhood
Host star
K2-3
M V · 3 planets
Explore →
Sibling worlds in this system

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 12.2
ConstellationLeo
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 K2-3 d's confirmed parameters, not a photograph.