What it’s like to stand here
HAT-P-17 b
weight
1.33 g
sun
9.7× wider
sky
warm white

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

Gas giant

HAT-P-17 b

ESI 0.14301 lyDiscovered in 2012 by HATNet

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

HAT-P-17 →
host star
11.77 R⊕
radius
184 M⊕
mass · measured
10 days
orbital period
527°C (980°F)
avg temp
What it's like to stand here
1.33 g
surface gravity (no solid surface · measured mass)
10 days
one year, in Earth time
9.7× wider
how big its sun looks vs ours
warm white
midday sky tint
0.8×
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 · 301 ly away
Jet airliner
361 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
469,930 years
dies en route1000-yr cryo: fails
Light speed
301 years
dies en route1000-yr cryo: survives
Warp 10
110 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthHAT-P-17 b is 12× the width of Earth
Explore from here · roam the neighborhood
HAT-P-17 bGas giant
PlanetHAT-P-17 cGas giant
PlanetTOI-4961 bsimilar world
SystemTOI-581759 ly
Sky regionCygnusthis direction
Host star
HAT-P-17
K · 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
SMALL TELESCOPE NEEDED
Host-star brightnessmag 10.4
ConstellationCygnus →
To see the host star4-6" (100-150 mm) telescope
Gear bridge

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

Illustration generated from HAT-P-17 b's confirmed parameters, not a photograph.