What it’s like to stand here
HD 220773 b
weight
≥ 2.49 g
sun
0.34× as wide
sky
warm white

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

Gas giant

HD 220773 b

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

HD 220773
host star
13.60 R⊕
radius
461 M⊕
mass · minimum (m·sin i)
10.2 years
orbital period
-106°C (-159°F)
avg temp
What it's like to stand here
≥ 2.49 g
surface gravity (no solid surface · minimum mass only)
10.2 years
one year, in Earth time
0.34× as wide
how big its sun looks vs ours
warm white
midday sky tint
0.4×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 165 ly away
Jet airliner
198 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
256,934 years
dies en route1000-yr cryo: fails
Light speed
165 years
dies en route1000-yr cryo: survives
Warp 10
60 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthHD 220773 b is 14× the width of Earth
Explore from here · roam the neighborhood
Host star
HD 220773
F9 · 1 planet
Explore →
Sibling worlds in this system

No other confirmed planets here yet. New ones auto-appear as telescopes report.

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 7.1
ConstellationPegasus
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 220773 b's confirmed parameters, not a photograph.