What it’s like to stand here
TOI-1439 b
weight
2.14 g
sun
8.4× wider
sky
warm white

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

Ice / gas giant

TOI-1439 b

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

TOI-1439
host star
4.24 R⊕
radius
38.50 M⊕
mass · measured
28 days
orbital period
475°C (887°F)
avg temp
What it's like to stand here
2.14 g
surface gravity (no solid surface · measured mass)
28 days
one year, in Earth time
8.4× wider
how big its sun looks vs ours
warm white
midday sky tint
0.5×
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 · 751 ly away
Jet airliner
901 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
1.2 million years
dies en route1000-yr cryo: fails
Light speed
751 years
dies en route1000-yr cryo: survives
Warp 10
274 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthTOI-1439 b is 4.2× the width of Earth
Explore from here · roam the neighborhood
Host star
TOI-1439
5841 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 10.6
ConstellationDraco
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 TOI-1439 b's confirmed parameters, not a photograph.