What it’s like to stand here
Kepler-289 d
weight
0.58 g
sun
3.0× wider
sky
warm white

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

Sub-Neptune

Kepler-289 d

ESI 0.382,298 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-289 →
host star
3.03 R⊕
radius
5.33 M⊕
mass · measured
66 days
orbital period
230°C (445°F)
avg temp
What it's like to stand here
0.58 g
your weight (measured mass)
66 days
one year, in Earth time
3.0× wider
how big its sun looks vs ours
warm white
midday sky tint
1.7×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 2,298 ly away
Jet airliner
2.8 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
3.6 million years
dies en route1000-yr cryo: fails
Light speed
2,298 years
dies en route1000-yr cryo: fails
Warp 10
2 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthKepler-289 d is 3.0× the width of Earth
Explore from here · roam the neighborhood
Kepler-289 dSub-Neptune
PlanetKepler-289 bSub-Neptune
PlanetKepler-289 cGas giant
PlanetKepler-146 csimilar world
SystemKepler-11946 ly
Sky regionCygnusthis direction
Host star
Kepler-289
5990 K host star · 4 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 14.1
ConstellationCygnus →
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-289 d's confirmed parameters, not a photograph.