What it’s like to stand here
47 UMa b
- weight
- ≥ 4.61 g
- sun
- 0.58× as wide
- sky
- warm white
Illustration computed from this world’s measured and derived values, not a photograph.
Gas giant · likely temperate
47 UMa b
Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.
47 UMa →
host star
13.20 R⊕
radius
804 M⊕
mass · minimum (m·sin i)
3.0 years
orbital period
-58°C (-72°F)
avg temp
What it's like to stand here
≥ 4.61 g
surface gravity (no solid surface · minimum mass only)
3.0 years
one year, in Earth time
0.58× as wide
how big its sun looks vs ours
warm white
midday sky tint
0.2×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 45.0 ly away
Jet airliner
54.0 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
70,180 years
dies en route1000-yr cryo: fails
Light speed
45 years
arrives elderly
Warp 10
16 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Host star
47 UMa
G0V · 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
VISIBLE TO THE NAKED EYE
Gear bridge
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
Illustration generated from 47 UMa b's confirmed parameters, not a photograph.