What it’s like to stand here
LP 791-18 c
weight
1.16 g
sun
6.1× wider
sky
dim red

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

Sub-Neptune

LP 791-18 c

Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.

LP 791-18
host star
2.49 R⊕
radius
7.16 M⊕
mass · measured
5.0 days
orbital period
51°C (124°F)
avg temp
What it's like to stand here
1.16 g
your weight (measured mass)
5.0 days
one year, in Earth time
6.1× wider
how big its sun looks vs ours
dim red
midday sky tint
0.9×
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 · 86.4 ly away
Jet airliner
104 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
134,762 years
dies en route1000-yr cryo: fails
Light speed
86 years
dies en route1000-yr cryo: survives
Warp 10
32 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthLP 791-18 c is 2.5× the width of Earth
Explore from here · roam the neighborhood
Host star
LP 791-18
M(6.1 +/- 0.7) V · 3 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
FAINT — LARGE TELESCOPE NEEDED
Host-star brightnessmag 16.9
ConstellationCrater
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 LP 791-18 c's confirmed parameters, not a photograph.