What it’s like to stand here
HD 103720 b
weight
≥ 0.99 g
sun
14.6× wider
sky
amber-orange

Illustration computed from this world’s measured and derived values, not a photograph.

Gas giant

HD 103720 b

Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.

HD 103720
host star
14.10 R⊕
radius
197 M⊕
mass · minimum (m·sin i)
4.6 days
orbital period
653°C (1208°F)
avg temp
What it's like to stand here
≥ 0.99 g
surface gravity (no solid surface · minimum mass only)
4.6 days
one year, in Earth time
14.6× wider
how big its sun looks vs ours
amber-orange
midday sky tint
1.0×
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 · 149 ly away
Jet airliner
178 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
231,627 years
dies en route1000-yr cryo: fails
Light speed
149 years
dies en route1000-yr cryo: survives
Warp 10
54 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthHD 103720 b is 14× the width of Earth
Explore from here · roam the neighborhood
Host star
HD 103720
K3 V · 1 planet
Explore →
Sibling worlds in this system

No other confirmed planets here yet. New ones auto-appear as telescopes report.

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
Host-star brightnessmag 9.5
ConstellationVirgo
To see the host star50 mm binoculars
Gear bridge

Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.

Illustration generated from HD 103720 b's confirmed parameters, not a photograph.