What it’s like to stand here
GJ 720 A b
weight
≥ 0.96 g
sun
4.7× wider
sky
deep orange

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

Ice / gas giant

GJ 720 A b

Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.

GJ 720 A
host star
3.77 R⊕
radius
13.64 M⊕
mass · minimum (m·sin i)
19 days
orbital period
128°C (262°F)
avg temp
What it's like to stand here
≥ 0.96 g
surface gravity (no solid surface · minimum mass only)
19 days
one year, in Earth time
4.7× wider
how big its sun looks vs ours
deep orange
midday sky tint
1.0×
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 · 50.7 ly away
Jet airliner
60.8 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
79,137 years
dies en route1000-yr cryo: fails
Light speed
51 years
arrives elderly
Warp 10
19 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthGJ 720 A b is 3.8× the width of Earth
Explore from here · roam the neighborhood
Host star
Binary system
GJ 720 A
M0.5 V · 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 9.8
ConstellationLyra
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 720 A b's confirmed parameters, not a photograph.