What it’s like to stand here
GJ 3090 b
weight
0.95 g
sun
16.3× wider
sky
deep orange

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

Sub-Neptune

GJ 3090 b

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

GJ 3090
host star
2.18 R⊕
radius
4.52 M⊕
mass · measured
2.9 days
orbital period
450°C (842°F)
avg temp
What it's like to stand here
0.95 g
your weight (measured mass)
2.9 days
one year, in Earth time
16.3× wider
how big its sun looks vs ours
deep orange
midday sky tint
1.1×
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 · 73.3 ly away
Jet airliner
87.9 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
114,325 years
dies en route1000-yr cryo: fails
Light speed
73 years
dies en route1000-yr cryo: survives
Warp 10
27 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthGJ 3090 b is 2.2× the width of Earth
Explore from here · roam the neighborhood
Host star
GJ 3090
M2 V · 2 planets
Explore →
Sibling worlds in this system

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 11.4
ConstellationPhoenix
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 GJ 3090 b's confirmed parameters, not a photograph.