What it’s like to stand here
Kepler-1173 b
weight
≈ 0.81 g
sun
51.6× wider
sky
warm white

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

Rocky world

Kepler-1173 b

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

Kepler-1173
host star
0.89 R⊕
radius
0.64 M⊕
mass · estimated from radius
18.5 hours
orbital period
1377°C (2510°F)
avg temp
What it's like to stand here
≈ 0.81 g
your weight (mass estimated from size)
18.5 hours
one year, in Earth time
51.6× wider
how big its sun looks vs ours
warm white
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
How long to get there · 1,230 ly away
Jet airliner
1.5 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
1.9 million years
dies en route1000-yr cryo: fails
Light speed
1,230 years
dies en route1000-yr cryo: fails
Warp 10
1 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-1173 b is 1.1× narrower than Earth
Explore from here · roam the neighborhood
Host star
Kepler-1173
5252 K host star · 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 13.9
ConstellationCygnus
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-1173 b's confirmed parameters, not a photograph.