What it’s like to stand here
HD 215497 b
sun
17.0× wider
sky
amber-orange

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

Sub-Neptune

HD 215497 b

Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.

HD 215497
host star
radius
1,589 M⊕
mass · measured
3.9 days
orbital period
743°C (1369°F)
avg temp
What it's like to stand here
gravity, needs mass + radius
3.9 days
one year, in Earth time
17.0× wider
how big its sun looks vs ours
amber-orange
midday sky tint
jump, needs gravity
likely
likely tidally locked: probably eternal day on one side, night on the other
How long to get there · 132 ly away
Jet airliner
159 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
206,252 years
dies en route1000-yr cryo: fails
Light speed
132 years
dies en route1000-yr cryo: survives
Warp 10
48 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Host star
HD 215497
K3 V · 2 planets
Explore →
Sibling worlds in this system

Zoom out: star → system → (soon) galaxy arm, host black hole, and a real image of the host galaxy.

Can you see it tonight? · observe
BINOCULARS NEEDED
Host-star brightnessmag 9.0
ConstellationTucana
To see the host star50 mm binoculars
Gear bridge

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

Illustration generated from HD 215497 b's confirmed parameters, not a photograph.