What it’s like to stand here
GJ 3512 b
- weight
- ≥ 0.72 g
- sun
- 0.41× as wide
- sky
- dim red
Illustration computed from this world’s measured and derived values, not a photograph.
Gas giant
GJ 3512 b
Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.
GJ 3512 →
host star
14.30 R⊕
radius
147 M⊕
mass · minimum (m·sin i)
203 days
orbital period
-176°C (-285°F)
avg temp
What it's like to stand here
≥ 0.72 g
surface gravity (no solid surface · minimum mass only)
203 days
one year, in Earth time
0.41× as wide
how big its sun looks vs ours
dim red
midday sky tint
1.4×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 30.9 ly away
Jet airliner
37.1 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
48,255 years
dies en route1000-yr cryo: fails
Light speed
31 years
arrives elderly
Warp 10
11 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Host star
GJ 3512
M5.5 V · 2 planets
Sibling worlds in this system
Nearby star systems
Similar worlds (size · gravity · star)
Zoom out: star → system → (soon) galaxy arm, host black hole, and a real image of the host galaxy.
Can you see it tonight? · observe
FAINT — LARGE TELESCOPE NEEDED
Host-star brightnessmag 15.2
ConstellationUrsa Major →
To see the host star10"+ (250 mm) telescope, dark sky
Gear bridge
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
Illustration generated from GJ 3512 b's confirmed parameters, not a photograph.