What it’s like to stand here
TOI-1246 d
weight
0.46 g
sun
6.6× wider
sky
warm white

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

Sub-Neptune

TOI-1246 d

ESI 0.29553 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-1246 →
host star
3.43 R⊕
radius
5.40 M⊕
mass · measured
19 days
orbital period
315°C (598°F)
avg temp
What it's like to stand here
0.46 g
your weight (measured mass)
19 days
one year, in Earth time
6.6× wider
how big its sun looks vs ours
warm white
midday sky tint
2.2×
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 · 553 ly away
Jet airliner
663 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
861,809 years
dies en route1000-yr cryo: fails
Light speed
553 years
dies en route1000-yr cryo: survives
Warp 10
202 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthTOI-1246 d is 3.4× the width of Earth
Explore from here · roam the neighborhood
TOI-1246 dSub-Neptune
PlanetTOI-1246 bSub-Neptune
PlanetTOI-1246 cSub-Neptune
PlanetTOI-2076 csimilar world
SystemTOI-167030 ly
Sky regionDracothis direction
Host star
TOI-1246
K V · 4 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 11.6
ConstellationDraco →
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-1246 d's confirmed parameters, not a photograph.