What it’s like to stand here
WASP-166 b
weight
0.64 g
sun
19.0× wider
sky
bright white

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

Ice / gas giant

WASP-166 b

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

WASP-166
host star
7.06 R⊕
radius
32.10 M⊕
mass · measured
5.4 days
orbital period
997°C (1826°F)
avg temp
What it's like to stand here
0.64 g
surface gravity (no solid surface · measured mass)
5.4 days
one year, in Earth time
19.0× wider
how big its sun looks vs ours
bright white
midday sky tint
1.6×
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 · 372 ly away
Jet airliner
447 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
580,770 years
dies en route1000-yr cryo: fails
Light speed
372 years
dies en route1000-yr cryo: survives
Warp 10
136 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthWASP-166 b is 7.1× the width of Earth
Explore from here · roam the neighborhood
Host star
WASP-166
F9 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
BINOCULARS NEEDED
Host-star brightnessmag 9.4
ConstellationHydra
To see the host star50 mm binoculars
Gear bridge

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

Illustration generated from WASP-166 b's confirmed parameters, not a photograph.