What it’s like to stand here
alf Ari b
- weight
- ≥ 3.19 g
- sun
- 11.6× wider
- sky
- amber-orange
Illustration computed from this world’s measured and derived values, not a photograph.
Gas giant
alf Ari b
Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.
alf Ari →
host star
13.40 R⊕
radius
572 M⊕
mass · minimum (m·sin i)
381 days
orbital period
474°C (885°F)
avg temp
What it's like to stand here
≥ 3.19 g
surface gravity (no solid surface · minimum mass only)
381 days
one year, in Earth time
11.6× wider
how big its sun looks vs ours
amber-orange
midday sky tint
0.3×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 65.9 ly away
Jet airliner
79.0 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
102,804 years
dies en route1000-yr cryo: fails
Light speed
66 years
dies en route1000-yr cryo: survives
Warp 10
24 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Host star
alf Ari
K2III · 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
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 alf Ari b's confirmed parameters, not a photograph.