What it’s like to stand here
Gliese 12 b
weight
1.10 g
sun
4.0× wider
sky
deep orange

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

Rocky world

Gliese 12 b

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

Gliese 12
host star
0.93 R⊕
radius
0.95 M⊕
mass · measured
13 days
orbital period
41°C (107°F)
avg temp
What it's like to stand here
1.10 g
your weight (measured mass)
13 days
one year, in Earth time
4.0× wider
how big its sun looks vs ours
deep orange
midday sky tint
0.9×
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 · 39.8 ly away
Jet airliner
47.8 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
62,109 years
dies en route1000-yr cryo: fails
Light speed
40 years
arrives elderly
Warp 10
15 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthGliese 12 b is 1.1× narrower than Earth
Explore from here · roam the neighborhood
Host star
Gliese 12
M4 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
MID-SIZE TELESCOPE NEEDED
Host-star brightnessmag 12.6
ConstellationPisces
To see the host star8-10" (200-250 mm) telescope
Gear bridge

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

Illustration generated from Gliese 12 b's confirmed parameters, not a photograph.