What it’s like to stand here
Kepler-421 b
- weight
- ≈ 0.93 g
- sun
- 0.62× as wide
- sky
- warm white
Illustration computed from this world’s measured and derived values, not a photograph.
Ice / gas giant
Kepler-421 b
Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.
Kepler-421 →
host star
4.16 R⊕
radius
16.10 M⊕
mass · estimated from radius
1.9 years
orbital period
-88°C (-127°F)
avg temp
What it's like to stand here
≈ 0.93 g
surface gravity (no solid surface · mass estimated from size)
1.9 years
one year, in Earth time
0.62× as wide
how big its sun looks vs ours
warm white
midday sky tint
1.1×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 1,137 ly away
Jet airliner
1.4 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
1.8 million years
dies en route1000-yr cryo: fails
Light speed
1,137 years
dies en route1000-yr cryo: fails
Warp 10
1 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Kepler-421 bIce / gas giant
PlanetHD 7199 bsimilar world
SystemKepler-12736 ly
Sky regionLyrathis direction
Host star
Kepler-421
G9/K0 · 1 planet
Sibling worlds in this system
No other confirmed planets here yet. New ones auto-appear as telescopes report.
Nearby star systems
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
Gear bridge
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
Illustration generated from Kepler-421 b's confirmed parameters, not a photograph.