What it’s like to stand here
HD 141399 b
weight
≥ 0.70 g
sun
3.3× wider
sky
warm white

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

Gas giant

HD 141399 b

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

HD 141399
host star
14.30 R⊕
radius
143 M⊕
mass · minimum (m·sin i)
94 days
orbital period
221°C (429°F)
avg temp
What it's like to stand here
≥ 0.70 g
surface gravity (no solid surface · minimum mass only)
94 days
one year, in Earth time
3.3× wider
how big its sun looks vs ours
warm white
midday sky tint
1.4×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 121 ly away
Jet airliner
145 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
188,296 years
dies en route1000-yr cryo: fails
Light speed
121 years
dies en route1000-yr cryo: survives
Warp 10
44 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthHD 141399 b is 14× the width of Earth
Explore from here · roam the neighborhood
Host star
HD 141399
K0 · 4 planets
Explore →

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 7.2
ConstellationBoötes
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 141399 b's confirmed parameters, not a photograph.