What it’s like to stand here
SPECULOOS-3 b
- weight
- ≈ 0.94 g
- sun
- 16.7× wider
- sky
- dim red
Illustration computed from this world’s measured and derived values, not a photograph.
Rocky world
SPECULOOS-3 b
Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.
SPECULOOS-3 →
host star
0.98 R⊕
radius
0.89 M⊕
mass · estimated from radius
17.3 hours
orbital period
280°C (536°F)
avg temp
What it's like to stand here
≈ 0.94 g
your weight (mass estimated from size)
17.3 hours
one year, in Earth time
16.7× wider
how big its sun looks vs ours
dim red
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 · distance unknown away
Distance unknown for this world.
Size vs Earth
Explore from here · roam the neighborhood
Host star
SPECULOOS-3
M6.5+/-0.5 · 1 planet
Sibling worlds in this system
No other confirmed planets here yet. New ones auto-appear as telescopes report.
Nearby star systems
No neighbors computed.
Similar worlds (size · gravity · star)
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 17.8
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 SPECULOOS-3 b's confirmed parameters, not a photograph.