What it’s like to stand here
HD 219666 b
- weight
- 0.73 g
- sun
- 16.6× wider
- sky
- warm white
Illustration computed from this world’s measured and derived values, not a photograph.
Ice / gas giant
HD 219666 b
Transit: spotted by the tiny, repeating dip in its star’s light each time the planet crosses in front of it.
HD 219666 →
host star
4.90 R⊕
radius
17.60 M⊕
mass · measured
6.0 days
orbital period
803°C (1477°F)
avg temp
What it's like to stand here
0.73 g
surface gravity (no solid surface · measured mass)
6.0 days
one year, in Earth time
16.6× wider
how big its sun looks vs ours
warm white
midday sky tint
1.4×
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 · 307 ly away
Jet airliner
368 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
479,030 years
dies en route1000-yr cryo: fails
Light speed
307 years
dies en route1000-yr cryo: survives
Warp 10
112 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
HD 219666 bIce / gas giant
PlanetTOI-329 bsimilar world
SystemHIP 11190952 ly
Sky regionTucanathis direction
Host star
HD 219666
G5 V · 1 planet
Sibling worlds in this system
No other confirmed planets here yet. New ones auto-appear as telescopes report.
Nearby star systems
Zoom out: star → system → (soon) galaxy arm, host black hole, and a real image of the host galaxy.
Can you see it tonight? · observe
SMALL TELESCOPE NEEDED
Gear bridge
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
Illustration generated from HD 219666 b's confirmed parameters, not a photograph.