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MCA654: red dwarf star with 2 planets

  MCA654.1   MCA654.2  

Solar system 'MCA654' comprises the star 'MCA654' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 13 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MCA654', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. MCA654 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 2 planets

MCA654.1 is a large terrestrial planet (7369 km radius) which orbits its star in 189 Earth days, one day on MCA654.1 lasts 6 Earth hours. Its average temperature is 598 K (325 C), its atmosphere mainly consists of nitrogen, oxygen and it has 13 moons.
MCA654.2 is a very small terrestrial planet (2480 km radius) which orbits its star in 348 Earth days, one day on MCA654.2 lasts 42 Earth hours. Its average temperature is 531 K (258 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:44*106 km67*106 km
radius:7369 km2480 km
mass:3201*1021 kg122*1021 kg
surface gravity: 3.93 m/s2
0.40 Earths
1.32 m/s2
0.13 Earths
escape velocity:7.614 km/s2.562 km/s
year: 756 MCA654.1 days
189 Earth days
198 MCA654.2 days
348 Earth days
day:6 hrs42 hrs
axial tilt:260°174°
temperature:598 K
325 C
531 K
258 C
atmosphere:2% H2
1% He
76% N2
19% O2
2% CO2
0% other
91% N2
2% O2
7% CO2
0% other

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