What it’s like to stand here
GJ 3998 d
- weight
- ≥ 1.11 g
- sun
- 2.6× wider
- sky
- deep orange
Illustration computed from this world’s measured and derived values, not a photograph.
Sub-Neptune · likely temperate
GJ 3998 d
Radial Velocity: spotted by the gravitational wobble the planet tugs in its star.
GJ 3998 →
host star
2.34 R⊕
radius
6.07 M⊕
mass · minimum (m·sin i)
42 days
orbital period
19°C (66°F)
avg temp
What it's like to stand here
≥ 1.11 g
your weight (minimum mass only)
42 days
one year, in Earth time
2.6× wider
how big its sun looks vs ours
deep orange
midday sky tint
0.9×
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 · 59.2 ly away
Jet airliner
71.0 million years
dies en route1000-yr cryo: fails
Parker Solar Probethe fastest craft ever built
92,304 years
dies en route1000-yr cryo: fails
Light speed
59 years
dies en route1000-yr cryo: survives
Warp 10
22 days
arrives thriving
Folding spacetime
instant
arrives thriving
Size vs Earth
Explore from here · roam the neighborhood
Host star
GJ 3998
M1 · 3 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
SMALL TELESCOPE NEEDED
Gear bridge
Matched telescope & eyepiece recommendations are coming. Any product links will carry a clear affiliate disclosure.
Illustration generated from GJ 3998 d's confirmed parameters, not a photograph.