What it’s like to stand here
HD 121504 b
- weight
- ≥ 2.59 g
- sun
- 3.2× wider
- sky
- bright white
Illustration computed from this world’s measured and derived values, not a photograph.
Gas giant
HD 121504 b
Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.
HD 121504 →
host star
13.60 R⊕
radius
480 M⊕
mass · minimum (m·sin i)
63 days
orbital period
250°C (482°F)
avg temp
What it's like to stand here
≥ 2.59 g
surface gravity (no solid surface · minimum mass only)
63 days
one year, in Earth time
3.2× wider
how big its sun looks vs ours
bright white
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 · 136 ly away
Jet airliner
163 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
211,910 years
dies en route1000-yr cryo: fails
Light speed
136 years
dies en route1000-yr cryo: survives
Warp 10
50 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Host star
HD 121504
G2 V · 1 planet
Sibling worlds in this system
No other confirmed planets here yet. New ones auto-appear as telescopes report.
Nearby star systems
Similar worlds (size · gravity · star)
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 121504 b's confirmed parameters, not a photograph.