What it’s like to stand here
HD 15337 b
weight
2.08 g
sun
16.3× wider
sky
amber-orange

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

Sub-Neptune

HD 15337 b

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

HD 15337
host star
1.77 R⊕
radius
6.52 M⊕
mass · measured
4.8 days
orbital period
728°C (1342°F)
avg temp
What it's like to stand here
2.08 g
your weight (measured mass)
4.8 days
one year, in Earth time
16.3× wider
how big its sun looks vs ours
amber-orange
midday sky tint
0.5×
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 · 146 ly away
Jet airliner
175 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
227,966 years
dies en route1000-yr cryo: fails
Light speed
146 years
dies en route1000-yr cryo: survives
Warp 10
53 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthHD 15337 b is 1.8× the width of Earth
Explore from here · roam the neighborhood
Host star
HD 15337
K1 V · 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 9.1
ConstellationFornax
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 15337 b's confirmed parameters, not a photograph.