What it’s like to stand here
HD 8673 b
weight
27.83 g
sun
0.51× as wide
sky
bright white

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

Gas giant · likely temperate

HD 8673 b

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

HD 8673
host star
12.30 R⊕
radius
4,211 M⊕
mass · measured
4.5 years
orbital period
-54°C (-65°F)
avg temp
What it's like to stand here
27.83 g
surface gravity (no solid surface · measured mass)
4.5 years
one year, in Earth time
0.51× as wide
how big its sun looks vs ours
bright white
midday sky tint
0.0×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 123 ly away
Jet airliner
148 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
192,594 years
dies en route1000-yr cryo: fails
Light speed
123 years
dies en route1000-yr cryo: survives
Warp 10
45 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthHD 8673 b is 12× the width of Earth
Explore from here · roam the neighborhood
Host star
Binary system
HD 8673
F5 · 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 6.3
ConstellationAndromeda
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 8673 b's confirmed parameters, not a photograph.