What it’s like to stand here
GJ 3138 d
- weight
- ≥ 1.01 g
- sun
- 0.72× as wide
- sky
- deep orange
Illustration computed from this world’s measured and derived values, not a photograph.
Sub-Neptune
GJ 3138 d
Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.
GJ 3138 →
host star
3.23 R⊕
radius
10.50 M⊕
mass · minimum (m·sin i)
258 days
orbital period
-121°C (-187°F)
avg temp
What it's like to stand here
≥ 1.01 g
your weight (minimum mass only)
258 days
one year, in Earth time
0.72× as wide
how big its sun looks vs ours
deep orange
midday sky tint
1.0×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 92.9 ly away
Jet airliner
111 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
144,826 years
dies en route1000-yr cryo: fails
Light speed
93 years
dies en route1000-yr cryo: survives
Warp 10
34 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Host star
GJ 3138
M0 · 3 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
SMALL TELESCOPE NEEDED
Gear bridge
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
Illustration generated from GJ 3138 d's confirmed parameters, not a photograph.