What it’s like to stand here
HD 90156 b
weight
≥ 0.92 g
sun
3.7× wider
sky
warm white

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

Ice / gas giant

HD 90156 b

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

HD 90156
host star
4.43 R⊕
radius
17.98 M⊕
mass · minimum (m·sin i)
50 days
orbital period
245°C (473°F)
avg temp
What it's like to stand here
≥ 0.92 g
surface gravity (no solid surface · minimum mass only)
50 days
one year, in Earth time
3.7× wider
how big its sun looks vs ours
warm white
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 · 71.6 ly away
Jet airliner
85.8 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
111,652 years
dies en route1000-yr cryo: fails
Light speed
72 years
dies en route1000-yr cryo: survives
Warp 10
26 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthHD 90156 b is 4.4× the width of Earth
Explore from here · roam the neighborhood
Host star
HD 90156
G5V · 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
BINOCULARS NEEDED
Host-star brightnessmag 6.9
ConstellationHydra
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 90156 b's confirmed parameters, not a photograph.