What it’s like to stand here
Kepler-1877 b
weight
≈ 0.46 g
sun
26.8× wider
sky
warm white

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

Rocky world

Kepler-1877 b

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

Kepler-1877
host star
0.62 R⊕
radius
0.18 M⊕
mass · estimated from radius
2.4 days
orbital period
1005°C (1841°F)
avg temp
What it's like to stand here
≈ 0.46 g
your weight (mass estimated from size)
2.4 days
one year, in Earth time
26.8× 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 · 931 ly away
Jet airliner
1.1 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
1.5 million years
dies en route1000-yr cryo: fails
Light speed
931 years
dies en route1000-yr cryo: survives
Warp 10
340 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-1877 b is 1.6× narrower than Earth
Explore from here · roam the neighborhood
Host star
Kepler-1877
5615 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
SMALL TELESCOPE NEEDED
Host-star brightnessmag 12.3
ConstellationCygnus
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 Kepler-1877 b's confirmed parameters, not a photograph.