What it’s like to stand here
Kepler-122 b
weight
≈ 1.11 g
sun
19.0× wider
sky
bright white

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

Sub-Neptune

Kepler-122 b

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

Kepler-122
host star
2.34 R⊕
radius
6.08 M⊕
mass · estimated from radius
5.8 days
orbital period
886°C (1627°F)
avg temp
What it's like to stand here
≈ 1.11 g
your weight (mass estimated from size)
5.8 days
one year, in Earth time
19.0× wider
how big its sun looks vs ours
bright white
midday sky tint
0.9×
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 · 3,351 ly away
Jet airliner
4.0 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
5.2 million years
dies en route1000-yr cryo: fails
Light speed
3,351 years
dies en route1000-yr cryo: fails
Warp 10
3 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-122 b is 2.3× the width of Earth
Explore from here · roam the neighborhood
Host star
Kepler-122
6050 K host star · 5 planets
Explore →

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 14.4
ConstellationLyra
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 Kepler-122 b's confirmed parameters, not a photograph.