What it’s like to stand here
81 Cet b
- weight
- ≥ 6.12 g
- sun
- 5.3× wider
- sky
- amber-orange
Illustration computed from this world’s measured and derived values, not a photograph.
Gas giant
81 Cet b
Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.
81 Cet →
host star
13.10 R⊕
radius
1,051 M⊕
mass · minimum (m·sin i)
2.8 years
orbital period
254°C (489°F)
avg temp
What it's like to stand here
≥ 6.12 g
surface gravity (no solid surface · minimum mass only)
2.8 years
one year, in Earth time
5.3× wider
how big its sun looks vs ours
amber-orange
midday sky tint
0.2×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 330 ly away
Jet airliner
396 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
515,085 years
dies en route1000-yr cryo: fails
Light speed
330 years
dies en route1000-yr cryo: survives
Warp 10
121 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Host star
81 Cet
G5 III · 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
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 81 Cet b's confirmed parameters, not a photograph.