What it’s like to stand here
HD 18143 b
weight
≥ 1.00 g
sun
9.9× wider
sky
amber-orange

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

Sub-Neptune

HD 18143 b

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

HD 18143
host star
3.28 R⊕
radius
10.81 M⊕
mass · minimum (m·sin i)
10 days
orbital period
497°C (926°F)
avg temp
What it's like to stand here
≥ 1.00 g
your weight (minimum mass only)
10 days
one year, in Earth time
9.9× wider
how big its sun looks vs ours
amber-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 · 73.5 ly away
Jet airliner
88.1 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
114,576 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
EarthHD 18143 b is 3.3× the width of Earth
Explore from here · roam the neighborhood
Host star
HD 18143
K2 · 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
BINOCULARS NEEDED
Host-star brightnessmag 7.5
ConstellationAries
To see the host star50 mm binoculars
Gear bridge

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

Illustration generated from HD 18143 b's confirmed parameters, not a photograph.