What it’s like to stand here
HD 43691 b
weight
≥ 4.65 g
sun
6.7× wider
sky
bright white

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

Gas giant

HD 43691 b

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

HD 43691
host star
13.20 R⊕
radius
810 M⊕
mass · minimum (m·sin i)
37 days
orbital period
489°C (912°F)
avg temp
What it's like to stand here
≥ 4.65 g
surface gravity (no solid surface · minimum mass only)
37 days
one year, in Earth time
6.7× wider
how big its sun looks vs ours
bright white
midday sky tint
0.2×
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 · 279 ly away
Jet airliner
335 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
435,431 years
dies en route1000-yr cryo: fails
Light speed
279 years
dies en route1000-yr cryo: survives
Warp 10
102 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthHD 43691 b is 13× the width of Earth
Explore from here · roam the neighborhood
Host star
Triple system
HD 43691
G0 · 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 8.0
ConstellationAuriga
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 43691 b's confirmed parameters, not a photograph.