What it’s like to stand here
HD 207897 b
weight
2.70 g
sun
6.7× wider
sky
amber-orange

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

Sub-Neptune

HD 207897 b

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

HD 207897
host star
2.34 R⊕
radius
14.80 M⊕
mass · measured
16 days
orbital period
309°C (587°F)
avg temp
What it's like to stand here
2.70 g
your weight (measured mass)
16 days
one year, in Earth time
6.7× wider
how big its sun looks vs ours
amber-orange
midday sky tint
0.4×
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 · 92.3 ly away
Jet airliner
111 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
143,924 years
dies en route1000-yr cryo: fails
Light speed
92 years
dies en route1000-yr cryo: survives
Warp 10
34 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthHD 207897 b is 2.3× the width of Earth
Explore from here · roam the neighborhood
Host star
HD 207897
K0 V · 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 8.4
ConstellationCepheus
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 207897 b's confirmed parameters, not a photograph.