What it’s like to stand here
TOI-1266 c
weight
0.81 g
sun
4.0× wider
sky
deep orange

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

TOI-1266 c

TOI-1266 c is a confirmed sub-Neptune exoplanet 117 ly from Earth in the constellation Draco, discovered in 2020 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-1266
host star
1.98 R⊕
radius
3.17 M⊕
mass · measured
19 days
orbital period
73°C (163°F)
avg temp
Human scale

Standing on TOI-1266 c, you would weigh about 19% less than you do on Earth. Its red dwarf looks 4.0× wider than ours, bathing the surface in deep orange light. It is likely tidally locked, so that sun never moves in the sky: one hemisphere in endless day, the other in permanent night. A year passes in just 19 days, and at an estimated 73°C (163°F) it is warm.

0.81 g
your weight (measured mass)
19 days
one year, in Earth time
4.0× wider
how big its sun looks vs ours
deep orange
midday sky tint
1.2×
how high you could jump vs Earth
likely
likely tidally locked: probably eternal day on one side, night on the other
Calculate your exact weight on TOI-1266 c
Earth Similarity Index0.64#242 of 5,788 ranked worlds

How closely this world matches Earth in size and warmth, from 0 to 1 (Earth = 1.0). Computed by gravityfinder. See every world ranked →

What these mean: surface gravity · tidal locking · equilibrium temperature · Earth similarity

If your children grew up herea playful thought experiment
EARTH HEIGHT≈ 1.0xEARTH-RAISEDRAISED HERE
much like Earth height

Gravity close to Earth's, at 0.81 times. A child would grow up much as they would back home.

A playful thought experiment from this world’s gravity, not a prediction about any real person. No human has ever grown up off Earth, so no one truly knows; the direction (taller in low gravity, shorter and stockier in high) follows how growing bodies respond to weight.

Hear how a voice sounds herea computed acoustic demo

Your voice would sound noticeably higher and reedier.

Assuming Earth-like air at this world's temperature of about 73°C (163°F), sound would travel roughly 10% faster than on Earth, so your voice would sound noticeably higher and reedier. The real atmosphere is unknown, so this is a best guess.

sound speed ≈ 373 m/s · 1.10× Earth · assumes Earth-like air

A real voice sample, pitch-shifted (tempo held constant) to suggest the acoustics: a playful approximation, not a precise simulation. Voice: Lingua Libre / Vealhurl, CC BY-SA 4.0.

The journey
Cosmic travel advisory
★★★★
Recommended, with reservations
  • !Persistently hot at around 73°C (163°F), well above anything you would call comfortable.
  • Surface gravity is close to Earth's, 0.81 times, so you would move much as you do here.
  • !Likely tidally locked: one hemisphere in endless day, the other in permanent night.

A playful read of TOI-1266 c’s measured and computed values, not a real advisory.

How long to get there · 117 ly away
Jet airliner
141 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
183,183 years
dies en route1000-yr cryo: fails
Light speed
117 years
dies en route1000-yr cryo: survives
Warp 10
43 days
arrives thriving
Folding spacetimeinstant, plus 1 hr of paperwork
1 hour
arrives thriving
Size vs Earth
EarthTOI-1266 c is 2.0× the width of Earth
Explore from here · roam the neighborhood

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 12.9
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.

Common questions

What is the gravity on TOI-1266 c?

TOI-1266 c's surface gravity is about 0.81 times Earth's.

How much would you weigh on TOI-1266 c?

Someone who weighs 150 pounds on Earth would weigh about 121 pounds on TOI-1266 c.

How far is TOI-1266 c from Earth?

TOI-1266 c lies about 117 light-years from Earth.

How long would it take to get to TOI-1266 c?

At the speed of NASA's Parker Solar Probe, the fastest craft ever built, the journey would take about 183,183 years.

How hot is TOI-1266 c?

TOI-1266 c's equilibrium temperature, the balance it reaches from its star's light alone before any greenhouse warming, is about 73°C (163°F).

How long is a year on TOI-1266 c?

TOI-1266 c completes one orbit of its star in 19 days.

Illustration generated from TOI-1266 c's confirmed parameters, not a photograph.