What it’s like to stand here
17 Sco b
weight
≥ 8.25 g
sun
17.8× wider
sky
amber-orange

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

Gas giant

17 Sco b

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

17 Sco
host star
12.90 R⊕
radius
1,373 M⊕
mass · minimum (m·sin i)
578 days
orbital period
574°C (1066°F)
avg temp
What it's like to stand here
≥ 8.25 g
surface gravity (no solid surface · minimum mass only)
578 days
one year, in Earth time
17.8× wider
how big its sun looks vs ours
amber-orange
midday sky tint
0.1×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 408 ly away
Jet airliner
489 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
635,606 years
dies en route1000-yr cryo: fails
Light speed
408 years
dies en route1000-yr cryo: survives
Warp 10
149 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Earth17 Sco b is 13× the width of Earth
Explore from here · roam the neighborhood
Host star
17 Sco
K3 III · 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
VISIBLE TO THE NAKED EYE
Host-star brightnessmag 5.2
ConstellationScorpius
To see the host starno equipment needed
Gear bridge

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

Illustration generated from 17 Sco b's confirmed parameters, not a photograph.