What it’s like to stand here
Kepler-538 b
weight
2.63 g
sun
2.5× wider
sky
warm white

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

Sub-Neptune

Kepler-538 b

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

Kepler-538
host star
2.21 R⊕
radius
12.90 M⊕
mass · measured
82 days
orbital period
144°C (291°F)
avg temp
What it's like to stand here
2.63 g
your weight (measured mass)
82 days
one year, in Earth time
2.5× wider
how big its sun looks vs ours
warm white
midday sky tint
0.4×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 509 ly away
Jet airliner
610 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
793,310 years
dies en route1000-yr cryo: fails
Light speed
509 years
dies en route1000-yr cryo: survives
Warp 10
186 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-538 b is 2.2× the width of Earth
Explore from here · roam the neighborhood
Host star
Binary system
Kepler-538
5534 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 11.3
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-538 b's confirmed parameters, not a photograph.