What it’s like to stand here
GJ 504 b
weight
8.67 g
sun
0.03× as wide
sky
bright white

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

Gas giant

GJ 504 b

Imaging: photographed directly, as a faint point of light beside its star.

GJ 504
host star
12.11 R⊕
radius
1,271 M⊕
mass · measured
orbital period
237°C (458°F)
avg temp
What it's like to stand here
8.67 g
surface gravity (no solid surface · measured mass)
one year, in Earth time
0.03× as wide
how big its sun looks vs ours
bright white
midday sky tint
0.1×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 57.2 ly away
Jet airliner
68.6 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
89,170 years
dies en route1000-yr cryo: fails
Light speed
57 years
dies en route1000-yr cryo: survives
Warp 10
21 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthGJ 504 b is 12× the width of Earth
Explore from here · roam the neighborhood
Host star
GJ 504
G0 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
VISIBLE TO THE NAKED EYE
Host-star brightnessmag 5.2
ConstellationVirgo
To see the host starno equipment needed
Gear bridge

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

Illustration generated from GJ 504 b's confirmed parameters, not a photograph.