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WJD390: red dwarf star with 2 planets

  WJD390.1   WJD390.2  

Solar system 'WJD390' comprises the star 'WJD390' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 20 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'WJD390', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. WJD390 is located more than 4474 lightyears from the center of the galaxy.

This solar system comprises 2 planets

WJD390.1 is a large terrestrial planet (8776 km radius) which orbits its star in 415 Earth days, one day on WJD390.1 lasts 5 Earth hours. Its average temperature is 135 K (-138 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
WJD390.2 is a small terrestrial planet (4751 km radius) which orbits its star in 762 Earth days, one day on WJD390.2 lasts 13 Earth hours. Its average temperature is 120 K (-153 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 3 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:75*106 km113*106 km
radius:8776 km4751 km
mass:5407*1021 kg857*1021 kg
surface gravity: 4.68 m/s2
0.47 Earths
2.53 m/s2
0.25 Earths
escape velocity:9.068 km/s4.906 km/s
year: 1992 WJD390.1 days
415 Earth days
1406 WJD390.2 days
762 Earth days
day:5 hrs13 hrs
axial tilt:30°
temperature:135 K
-138 C
120 K
-153 C
atmosphere:2% H2
3% He
51% N2
44% O2
0% other
22% H2
3% He
33% N2
41% O2
1% CO2
0% other

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