What it’s like to stand here
Kepler-921 b
- weight
- ≈ 1.04 g
- sun
- 3.4× wider
- sky
- warm white
Illustration computed from this world’s measured and derived values, not a photograph.
Sub-Neptune
Kepler-921 b
Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.
Kepler-921 →
host star
2.87 R⊕
radius
8.60 M⊕
mass · estimated from radius
51 days
orbital period
219°C (426°F)
avg temp
What it's like to stand here
≈ 1.04 g
your weight (mass estimated from size)
51 days
one year, in Earth time
3.4× wider
how big its sun looks vs ours
warm white
midday sky tint
1.0×
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 · 3,048 ly away
Jet airliner
3.7 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
4.8 million years
dies en route1000-yr cryo: fails
Light speed
3,048 years
dies en route1000-yr cryo: fails
Warp 10
3 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Kepler-921 bSub-Neptune
PlanetKepler-1889 bsimilar world
SystemKepler-100168 ly
Sky regionDracothis direction
Host star
Kepler-921
5663 K host star · 1 planet
Sibling worlds in this system
No other confirmed planets here yet. New ones auto-appear as telescopes report.
Nearby star systems
Similar worlds (size · gravity · star)
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 14.9
ConstellationDraco →
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-921 b's confirmed parameters, not a photograph.