What it’s like to stand here
HR 8799 c
- weight
- 17.75 g
- sun
- 0.04× as wide
- sky
- bright white
Illustration computed from this world’s measured and derived values, not a photograph.
Gas giant
HR 8799 c
Imaging: photographed directly, as a faint point of light beside its star.
HR 8799 →
host star
13.00 R⊕
radius
3,000 M⊕
mass · measured
189 years
orbital period
927°C (1700°F)
avg temp
What it's like to stand here
17.75 g
surface gravity (no solid surface · measured mass)
189 years
one year, in Earth time
0.04× as wide
how big its sun looks vs ours
bright white
midday sky tint
0.1×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 135 ly away
Jet airliner
161 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
209,799 years
dies en route1000-yr cryo: fails
Light speed
135 years
dies en route1000-yr cryo: survives
Warp 10
49 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Host star
HR 8799
A5 V · 4 planets
Sibling worlds in this system
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
VISIBLE TO THE NAKED EYE
Gear bridge
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
Illustration generated from HR 8799 c's confirmed parameters, not a photograph.