What it’s like to stand here
HD 143811 AB b
- weight
- 7.87 g
- sun
- 0.03× as wide
- sky
- bright white
Illustration computed from this world’s measured and derived values, not a photograph.
Gas giant
HD 143811 AB b
Imaging: photographed directly, as a faint point of light beside its star.
HD 143811 A →
host star
15.69 R⊕
radius
1,939 M⊕
mass · measured
320 years
orbital period
769°C (1416°F)
avg temp
What it's like to stand here
7.87 g
surface gravity (no solid surface · measured mass)
320 years
one year, in Earth time
0.03× as wide
how big its sun looks vs ours
bright white
midday sky tint
0.1×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 446 ly away
Jet airliner
534 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
694,892 years
dies en route1000-yr cryo: fails
Light speed
446 years
dies en route1000-yr cryo: survives
Warp 10
163 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
HD 143811 AB bGas giant
PlanetHR 8799 bsimilar world
SystemUSco1556 A39 ly
Sky regionLupusthis direction
Host star
Binary systemHD 143811 A
6791 K host star · 1 planet
Sibling worlds in this system
No other confirmed planets here yet. New ones auto-appear as telescopes report.
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
BINOCULARS NEEDED
Gear bridge
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
Illustration generated from HD 143811 AB b's confirmed parameters, not a photograph.