What it’s like to stand here
HD 153557 b
- weight
- ≥ 0.89 g
- sun
- 10.9× wider
- sky
- amber-orange
Illustration computed from this world’s measured and derived values, not a photograph.
Ice / gas giant
HD 153557 b
Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.
HD 153557 →
host star
4.77 R⊕
radius
20.34 M⊕
mass · minimum (m·sin i)
7.3 days
orbital period
499°C (930°F)
avg temp
What it's like to stand here
≥ 0.89 g
surface gravity (no solid surface · minimum mass only)
7.3 days
one year, in Earth time
10.9× wider
how big its sun looks vs ours
amber-orange
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 · 58.5 ly away
Jet airliner
70.2 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
91,263 years
dies en route1000-yr cryo: fails
Light speed
59 years
dies en route1000-yr cryo: survives
Warp 10
21 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
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
Gear bridge
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
Illustration generated from HD 153557 b's confirmed parameters, not a photograph.