What it’s like to stand here
TOI-431 d
weight
0.91 g
sun
7.5× wider
sky
amber-orange

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

Sub-Neptune

TOI-431 d

Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.

TOI-431
host star
3.29 R⊕
radius
9.90 M⊕
mass · measured
12 days
orbital period
360°C (680°F)
avg temp
What it's like to stand here
0.91 g
your weight (measured mass)
12 days
one year, in Earth time
7.5× wider
how big its sun looks vs ours
amber-orange
midday sky tint
1.1×
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 · 106 ly away
Jet airliner
127 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
165,669 years
dies en route1000-yr cryo: fails
Light speed
106 years
dies en route1000-yr cryo: survives
Warp 10
39 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthTOI-431 d is 3.3× the width of Earth
Explore from here · roam the neighborhood
Host star
TOI-431
4850 K host star · 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
BINOCULARS NEEDED
Host-star brightnessmag 9.1
ConstellationLepus
To see the host star50 mm binoculars
Gear bridge

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

Illustration generated from TOI-431 d's confirmed parameters, not a photograph.