What it’s like to stand here
HD 168443 c
weight
36.95 g
sun
0.60× as wide
sky
warm white

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

Gas giant

HD 168443 c

Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.

HD 168443
host star
12.20 R⊕
radius
5,500 M⊕
mass · measured
4.8 years
orbital period
-68°C (-90°F)
avg temp
What it's like to stand here
36.95 g
surface gravity (no solid surface · measured mass)
4.8 years
one year, in Earth time
0.60× as wide
how big its sun looks vs ours
warm white
midday sky tint
0.0×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 129 ly away
Jet airliner
155 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
201,560 years
dies en route1000-yr cryo: fails
Light speed
129 years
dies en route1000-yr cryo: survives
Warp 10
47 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthHD 168443 c is 12× the width of Earth
Explore from here · roam the neighborhood
Host star
HD 168443
G5 · 2 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
BINOCULARS NEEDED
Host-star brightnessmag 6.9
ConstellationSerpens
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 HD 168443 c's confirmed parameters, not a photograph.