What it’s like to stand here
TOI-1899 b
weight
1.73 g
sun
4.0× wider
sky
deep orange

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

Gas giant

TOI-1899 b

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

TOI-1899
host star
11.10 R⊕
radius
213 M⊕
mass · measured
29 days
orbital period
105°C (221°F)
avg temp
What it's like to stand here
1.73 g
surface gravity (no solid surface · measured mass)
29 days
one year, in Earth time
4.0× wider
how big its sun looks vs ours
deep orange
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 · 419 ly away
Jet airliner
502 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
653,333 years
dies en route1000-yr cryo: fails
Light speed
419 years
dies en route1000-yr cryo: survives
Warp 10
153 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthTOI-1899 b is 11× the width of Earth
Explore from here · roam the neighborhood
Host star
TOI-1899
M0 · 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 14.9
ConstellationCygnus
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-1899 b's confirmed parameters, not a photograph.