What it’s like to stand here
BD+42 2315 b
weight
≥ 0.87 g
sun
32.8× wider
sky
amber-orange

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

Gas giant

BD+42 2315 b

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

BD+42 2315
host star
14.20 R⊕
radius
175 M⊕
mass · minimum (m·sin i)
123 days
orbital period
974°C (1786°F)
avg temp
What it's like to stand here
≥ 0.87 g
surface gravity (no solid surface · minimum mass only)
123 days
one year, in Earth time
32.8× wider
how big its sun looks vs ours
amber-orange
midday sky tint
1.2×
how high you could jump vs Earth
normal
day/night cycle (not tidally locked)
How long to get there · 1,992 ly away
Jet airliner
2.4 billion years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
3.1 million years
dies en route1000-yr cryo: fails
Light speed
1,992 years
dies en route1000-yr cryo: fails
Warp 10
2 years
arrives, just older
Folding spacetime
instant
arrives thriving
Size vs Earth
EarthBD+42 2315 b is 14× the width of Earth
Explore from here · roam the neighborhood
Host star
BD+42 2315
4500 K host star · 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
SMALL TELESCOPE NEEDED
Host-star brightnessmag 9.7
ConstellationCanes Venatici
To see the host star4-6" (100-150 mm) telescope
Gear bridge

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

Illustration generated from BD+42 2315 b's confirmed parameters, not a photograph.