What it’s like to stand here
Kepler-28 b
weight
0.42 g
sun
11.7× wider
sky
amber-orange

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

Sub-Neptune

Kepler-28 b

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

Kepler-28
host star
1.96 R⊕
radius
1.63 M⊕
mass · measured
5.9 days
orbital period
312°C (593°F)
avg temp
What it's like to stand here
0.42 g
your weight (measured mass)
5.9 days
one year, in Earth time
11.7× wider
how big its sun looks vs ours
amber-orange
midday sky tint
2.4×
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 · 1,430 ly away
Jet airliner
1.7 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
2.2 million years
dies en route1000-yr cryo: fails
Light speed
1,430 years
dies en route1000-yr cryo: fails
Warp 10
1 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-28 b is 2.0× the width of Earth
Explore from here · roam the neighborhood
Host star
Kepler-28
M0 V · 2 planets
Explore →
Sibling worlds in this system

Zoom out: star → system → (soon) galaxy arm, host black hole, and a real image of the host galaxy.

Can you see it tonight? · observe
FAINT — LARGE TELESCOPE NEEDED
Host-star brightnessmag 15.1
ConstellationCygnus
To see the host star10"+ (250 mm) telescope, dark sky
Gear bridge

Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.

Illustration generated from Kepler-28 b's confirmed parameters, not a photograph.