What it’s like to stand here
Kepler-309 c
- weight
- ≈ 1.09 g
- sun
- 1.8× wider
- sky
- amber-orange
Illustration computed from this world’s measured and derived values, not a photograph.
Sub-Neptune
Kepler-309 c
Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.
Kepler-309 →
host star
2.51 R⊕
radius
6.85 M⊕
mass · estimated from radius
105 days
orbital period
-69°C (-92°F)
avg temp
What it's like to stand here
≈ 1.09 g
your weight (mass estimated from size)
105 days
one year, in Earth time
1.8× wider
how big its sun looks vs ours
amber-orange
midday sky tint
0.9×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 1,776 ly away
Jet airliner
2.1 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
2.8 million years
dies en route1000-yr cryo: fails
Light speed
1,776 years
dies en route1000-yr cryo: fails
Warp 10
2 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Host star
Kepler-309
M0 V · 2 planets
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
FAINT — LARGE TELESCOPE NEEDED
Host-star brightnessmag 15.4
ConstellationCygnus →
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-309 c's confirmed parameters, not a photograph.