What it’s like to stand here
tau Cet f
weight
≥ 1.20 g
sun
0.62× as wide
sky
warm white

Illustration computed from this world’s measured and derived values, not a photograph.

Sub-Neptune

tau Cet f

Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.

tau Cet
host star
1.81 R⊕
radius
3.93 M⊕
mass · minimum (m·sin i)
1.7 years
orbital period
-71°C (-96°F)
avg temp
What it's like to stand here
≥ 1.20 g
your weight (minimum mass only)
1.7 years
one year, in Earth time
0.62× as wide
how big its sun looks vs ours
warm white
midday sky tint
0.8×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 11.8 ly away
Jet airliner
14.1 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
18,328 years
dies en route1000-yr cryo: fails
Light speed
12 years
arrives, just older
Warp 10
4 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Earthtau Cet f is 1.8× the width of Earth
Explore from here · roam the neighborhood
Host star
tau Cet
G8.5V · 3 planets
Explore →

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
Host-star brightnessmag 3.5
ConstellationCetus
To see the host starno equipment needed
Gear bridge

Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.

Illustration generated from tau Cet f's confirmed parameters, not a photograph.