What it’s like to stand here
HATS-40 b
weight
1.61 g
sun
44.6× wider
sky
bright white

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

Gas giant

HATS-40 b

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

HATS-40
host star
17.71 R⊕
radius
505 M⊕
mass · measured
3.3 days
orbital period
1828°C (3322°F)
avg temp
What it's like to stand here
1.61 g
surface gravity (no solid surface · measured mass)
3.3 days
one year, in Earth time
44.6× wider
how big its sun looks vs ours
bright white
midday sky tint
0.6×
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 · 4,378 ly away
Jet airliner
5.2 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
6.8 million years
dies en route1000-yr cryo: fails
Light speed
4,378 years
dies en route1000-yr cryo: fails
Warp 10
4 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthHATS-40 b is 18× the width of Earth
Explore from here · roam the neighborhood
Host star
HATS-40
6460 K host star · 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
MID-SIZE TELESCOPE NEEDED
Host-star brightnessmag 13.5
ConstellationCanis Major
To see the host star8-10" (200-250 mm) telescope
Gear bridge

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

Illustration generated from HATS-40 b's confirmed parameters, not a photograph.