What it’s like to stand here
Kepler-391 b
- weight
- 176.00 g
- sun
- 34.4× wider
- sky
- amber-orange
Illustration computed from this world’s measured and derived values, not a photograph.
Sub-Neptune
Kepler-391 b
Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.
Kepler-391 →
host star
2.50 R⊕
radius
1,100 M⊕
mass · measured
7.4 days
orbital period
657°C (1214°F)
avg temp
What it's like to stand here
176.00 g
your weight (measured mass)
7.4 days
one year, in Earth time
34.4× wider
how big its sun looks vs ours
amber-orange
midday sky tint
0.0×
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 · 2,835 ly away
Jet airliner
3.4 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
4.4 million years
dies en route1000-yr cryo: fails
Light speed
2,835 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
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-391 b's confirmed parameters, not a photograph.