What it’s like to stand here
GJ 3988 b
- weight
- ≥ 1.22 g
- sun
- 4.9× wider
- sky
- deep orange
Illustration computed from this world’s measured and derived values, not a photograph.
Sub-Neptune
GJ 3988 b
Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.
GJ 3988 →
host star
1.74 R⊕
radius
3.69 M⊕
mass · minimum (m·sin i)
6.9 days
orbital period
75°C (167°F)
avg temp
What it's like to stand here
≥ 1.22 g
your weight (minimum mass only)
6.9 days
one year, in Earth time
4.9× wider
how big its sun looks vs ours
deep orange
midday sky tint
0.8×
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 · 32.3 ly away
Jet airliner
38.8 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
50,412 years
dies en route1000-yr cryo: fails
Light speed
32 years
arrives elderly
Warp 10
12 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Host star
GJ 3988
M4.5 V · 1 planet
Sibling worlds in this system
No other confirmed planets here yet. New ones auto-appear as telescopes report.
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
MID-SIZE TELESCOPE NEEDED
Gear bridge
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
Illustration generated from GJ 3988 b's confirmed parameters, not a photograph.