What it’s like to stand here
TOI-1243 b
weight
1.42 g
sky
deep orange

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

Sub-Neptune

TOI-1243 b

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

TOI-1243
host star
2.33 R⊕
radius
7.70 M⊕
mass · measured
4.7 days
orbital period
177°C (350°F)
avg temp
What it's like to stand here
1.42 g
your weight (measured mass)
4.7 days
one year, in Earth time
sun size, needs orbit
deep orange
midday sky tint
0.7×
how high you could jump vs Earth
rotation unknown
How long to get there · 141 ly away
Jet airliner
169 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
219,679 years
dies en route1000-yr cryo: fails
Light speed
141 years
dies en route1000-yr cryo: survives
Warp 10
51 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthTOI-1243 b is 2.3× the width of Earth
Explore from here · roam the neighborhood
Host star
TOI-1243
M2.0 V · 1 planet
Explore →
Sibling worlds in this system

No other confirmed planets here yet. New ones auto-appear as telescopes report.

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 13.4
ConstellationUrsa Major
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-1243 b's confirmed parameters, not a photograph.