What it’s like to stand here
TOI-1238 c
weight
1.87 g
sun
15.6× wider
sky
amber-orange

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

Sub-Neptune

TOI-1238 c

ESI 0.36231 lyDiscovered in 2022 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-1238 →
host star
2.11 R⊕
radius
8.32 M⊕
mass · measured
3.3 days
orbital period
422°C (791°F)
avg temp
What it's like to stand here
1.87 g
your weight (measured mass)
3.3 days
one year, in Earth time
15.6× wider
how big its sun looks vs ours
amber-orange
midday sky tint
0.5×
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 · 231 ly away
Jet airliner
277 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
359,708 years
dies en route1000-yr cryo: fails
Light speed
231 years
dies en route1000-yr cryo: survives
Warp 10
84 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthTOI-1238 c is 2.1× the width of Earth
Explore from here · roam the neighborhood
TOI-1238 cSub-Neptune
PlanetTOI-1238 bRocky world
PlanetK2-154 bsimilar world
SystemTOI-182322 ly
Sky regionDracothis direction
Host star
TOI-1238
K7/M0 · 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
MID-SIZE TELESCOPE NEEDED
Host-star brightnessmag 12.8
ConstellationDraco →
To see the host star8-10" (200-250 mm) telescope
Gear bridge

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

Illustration generated from TOI-1238 c's confirmed parameters, not a photograph.