What it’s like to stand here
Kepler-390 b
weight
≈ 0.71 g
sun
11.9× wider
sky
amber-orange

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

Rocky world

Kepler-390 b

ESI 0.351,420 lyDiscovered in 2014 by Kepler

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

Kepler-390 →
host star
0.82 R⊕
radius
0.48 M⊕
mass · estimated from radius
6.7 days
orbital period
513°C (955°F)
avg temp
What it's like to stand here
≈ 0.71 g
your weight (mass estimated from size)
6.7 days
one year, in Earth time
11.9× wider
how big its sun looks vs ours
amber-orange
midday sky tint
1.4×
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 · 1,420 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
1,420 years
dies en route1000-yr cryo: fails
Warp 10
1 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-390 b is 1.2× narrower than Earth
Explore from here · roam the neighborhood
Kepler-390 bRocky world
PlanetKepler-390 cRocky world
PlanetKepler-352 dsimilar world
SystemKepler-2833 ly
Sky regionLyrathis direction
Host star
Binary system
Kepler-390
5166 K host star · 2 planets
Explore →
Sibling worlds in this system
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
MID-SIZE TELESCOPE NEEDED
Host-star brightnessmag 14.2
ConstellationLyra →
To see the host star8-10" (200-250 mm) telescope
Gear bridge

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

Illustration generated from Kepler-390 b's confirmed parameters, not a photograph.