What it’s like to stand here
TOI-3984 A b
weight
0.71 g
sun
11.5× wider
sky
deep orange

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

Ice / gas giant

TOI-3984 A b

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

TOI-3984 A
host star
7.90 R⊕
radius
44.00 M⊕
mass · measured
4.4 days
orbital period
290°C (554°F)
avg temp
What it's like to stand here
0.71 g
surface gravity (no solid surface · measured mass)
4.4 days
one year, in Earth time
11.5× wider
how big its sun looks vs ours
deep orange
midday sky tint
1.4×
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 · 355 ly away
Jet airliner
426 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
553,861 years
dies en route1000-yr cryo: fails
Light speed
355 years
dies en route1000-yr cryo: survives
Warp 10
130 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthTOI-3984 A b is 7.9× the width of Earth
Explore from here · roam the neighborhood
Host star
Binary system
TOI-3984 A
M4+/-0.5 · 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
FAINT — LARGE TELESCOPE NEEDED
Host-star brightnessmag 15.7
ConstellationBoötes
To see the host star10"+ (250 mm) telescope, dark sky
Gear bridge

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

Illustration generated from TOI-3984 A b's confirmed parameters, not a photograph.