What it’s like to stand here
TOI-178 g
weight
0.51 g
sun
5.2× wider
sky
amber-orange

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

Sub-Neptune

TOI-178 g

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

TOI-178
host star
2.94 R⊕
radius
4.40 M⊕
mass · measured
21 days
orbital period
197°C (386°F)
avg temp
What it's like to stand here
0.51 g
your weight (measured mass)
21 days
one year, in Earth time
5.2× wider
how big its sun looks vs ours
amber-orange
midday sky tint
2.0×
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 · 204 ly away
Jet airliner
245 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
318,935 years
dies en route1000-yr cryo: fails
Light speed
204 years
dies en route1000-yr cryo: survives
Warp 10
75 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthTOI-178 g is 2.9× the width of Earth
Explore from here · roam the neighborhood
Host star
TOI-178
K · 6 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
SMALL TELESCOPE NEEDED
Host-star brightnessmag 12.0
ConstellationSculptor
To see the host star4-6" (100-150 mm) telescope
Gear bridge

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

Illustration generated from TOI-178 g's confirmed parameters, not a photograph.