What it’s like to stand here
GJ 328 c
weight
≥ 0.89 g
sun
about the same
sky
deep orange

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

Ice / gas giant

GJ 328 c

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

GJ 328
host star
4.91 R⊕
radius
21.40 M⊕
mass · minimum (m·sin i)
242 days
orbital period
-89°C (-128°F)
avg temp
What it's like to stand here
≥ 0.89 g
surface gravity (no solid surface · minimum mass only)
242 days
one year, in Earth time
about the same
how big its sun looks vs ours
deep orange
midday sky tint
1.1×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 66.9 ly away
Jet airliner
80.3 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
104,414 years
dies en route1000-yr cryo: fails
Light speed
67 years
dies en route1000-yr cryo: survives
Warp 10
24 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthGJ 328 c is 4.9× the width of Earth
Explore from here · roam the neighborhood
Host star
GJ 328
M0.0 · 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
SMALL TELESCOPE NEEDED
Host-star brightnessmag 10.0
ConstellationHydra
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 GJ 328 c's confirmed parameters, not a photograph.