What it’s like to stand here
TOI-2345 c
weight
1.21 g
sun
5.8× wider
sky
amber-orange

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

Sub-Neptune

TOI-2345 c

ESI 0.42266 lyDiscovered in 2025 by Transiting Exoplanet Survey Satellite (TESS)

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

TOI-2345 →
host star
2.45 R⊕
radius
7.27 M⊕
mass · measured
21 days
orbital period
271°C (520°F)
avg temp
What it's like to stand here
1.21 g
your weight (measured mass)
21 days
one year, in Earth time
5.8× wider
how big its sun looks vs ours
amber-orange
midday sky tint
0.8×
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 · 266 ly away
Jet airliner
319 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
415,355 years
dies en route1000-yr cryo: fails
Light speed
266 years
dies en route1000-yr cryo: survives
Warp 10
97 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthTOI-2345 c is 2.5× the width of Earth
Explore from here · roam the neighborhood
TOI-2345 cSub-Neptune
PlanetTOI-2345 bRocky world
PlanetKepler-436 csimilar world
SystemHD 2152049 ly
Sky regionFornaxthis direction
Host star
TOI-2345
K · 2 planets
Explore →
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
SMALL TELESCOPE NEEDED
Host-star brightnessmag 11.5
ConstellationFornax →
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-2345 c's confirmed parameters, not a photograph.