What it’s like to stand here
HATS-1 b
weight
2.77 g
sun
23.3× wider
sky
warm white

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

Gas giant

HATS-1 b

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

HATS-1
host star
14.59 R⊕
radius
590 M⊕
mass · measured
3.4 days
orbital period
1086°C (1987°F)
avg temp
What it's like to stand here
2.77 g
surface gravity (no solid surface · measured mass)
3.4 days
one year, in Earth time
23.3× wider
how big its sun looks vs ours
warm white
midday sky tint
0.4×
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 · 926 ly away
Jet airliner
1.1 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
1.4 million years
dies en route1000-yr cryo: fails
Light speed
926 years
dies en route1000-yr cryo: survives
Warp 10
338 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthHATS-1 b is 15× the width of Earth
Explore from here · roam the neighborhood
Host star
HATS-1
5870 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
SMALL TELESCOPE NEEDED
Host-star brightnessmag 12.2
ConstellationCrater
To see the host star4-6" (100-150 mm) telescope
Gear bridge

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

Illustration generated from HATS-1 b's confirmed parameters, not a photograph.