What it’s like to stand here
KOI-351 d
weight
≈ 1.04 g
sun
3.7× wider
sky
bright white

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

Sub-Neptune

KOI-351 d

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

KOI-351
host star
2.87 R⊕
radius
8.60 M⊕
mass · estimated from radius
60 days
orbital period
247°C (476°F)
avg temp
What it's like to stand here
≈ 1.04 g
your weight (mass estimated from size)
60 days
one year, in Earth time
3.7× wider
how big its sun looks vs ours
bright white
midday sky tint
1.0×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 2,767 ly away
Jet airliner
3.3 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
4.3 million years
dies en route1000-yr cryo: fails
Light speed
2,767 years
dies en route1000-yr cryo: fails
Warp 10
3 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKOI-351 d is 2.9× the width of Earth
Explore from here · roam the neighborhood
Host star
KOI-351
6031 K host star · 8 planets
Explore →

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 13.9
ConstellationDraco
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 KOI-351 d's confirmed parameters, not a photograph.