What it’s like to stand here
KELT-18 b
weight
1.21 g
sun
41.4× wider
sky
bright white

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

Gas giant

KELT-18 b

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

KELT-18
host star
17.60 R⊕
radius
375 M⊕
mass · measured
2.9 days
orbital period
1812°C (3293°F)
avg temp
What it's like to stand here
1.21 g
surface gravity (no solid surface · measured mass)
2.9 days
one year, in Earth time
41.4× wider
how big its sun looks vs ours
bright white
midday sky tint
0.8×
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 · 1,048 ly away
Jet airliner
1.3 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
1.6 million years
dies en route1000-yr cryo: fails
Light speed
1,048 years
dies en route1000-yr cryo: fails
Warp 10
1 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKELT-18 b is 18× the width of Earth
Explore from here · roam the neighborhood
Host star
Binary system
KELT-18
F4 V · 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 10.2
ConstellationUrsa Major
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 KELT-18 b's confirmed parameters, not a photograph.