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RCJ721: red dwarf star with 7 planets

  RCJ721.1   RCJ721.2   RCJ721.3   RCJ721.4   RCJ721.5   RCJ721.6   RCJ721.7  

Solar system 'RCJ721' comprises the star 'RCJ721' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 99 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'RCJ721', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. RCJ721 is located more than 4206 lightyears from the center of the galaxy.

This solar system comprises 7 planets

RCJ721.1 is a very large terrestrial planet (11525 km radius) which orbits its star in 73 Earth days, one day on RCJ721.1 lasts 8 Earth hours. Its average temperature is 1485 K (1212 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
RCJ721.2 is a medium terrestrial planet (5496 km radius) which orbits its star in 178 Earth days, one day on RCJ721.2 lasts 15 Earth hours. Its average temperature is 902 K (629 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
RCJ721.3 is a very large terrestrial planet (9046 km radius) which orbits its star in 479 Earth days, one day on RCJ721.3 lasts 10 Earth hours. Its average temperature is 363 K (90 C), its atmosphere mainly consists of nitrogen and it has 31 moons.
RCJ721.4 is a very large terrestrial planet (9512 km radius) which orbits its star in 880 Earth days, one day on RCJ721.4 lasts 9 Earth hours. Its average temperature is 215 K (-58 C), its atmosphere mainly consists of nitrogen, oxygen and it has 18 moons.
RCJ721.5 is a very large terrestrial planet (11407 km radius) which orbits its star in 1617 Earth days, one day on RCJ721.5 lasts 8 Earth hours. Its average temperature is 119 K (-154 C), its atmosphere mainly consists of nitrogen and it has 18 moons.
RCJ721.6 is a very small terrestrial planet (2668 km radius) which orbits its star in 2971 Earth days, one day on RCJ721.6 lasts 42 Earth hours. Its average temperature is 63 K (-210 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
RCJ721.7 is a large terrestrial planet (7292 km radius) which orbits its star in 3905 Earth days, one day on RCJ721.7 lasts 11 Earth hours. Its average temperature is 1236 K (963 C), its atmosphere mainly consists of and it has 8 moons.
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Planetary Orbits

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Planetary Statistics

planet:RCJ721.1RCJ721.2RCJ721.3RCJ721.4RCJ721.5
distance from star:23*106 km43*106 km83*106 km124*106 km187*106 km
radius:11525 km5496 km9046 km9512 km11407 km
mass:12246*1021 kg1328*1021 kg5921*1021 kg6885*1021 kg11874*1021 kg
surface gravity: 6.15 m/s2
0.62 Earths
2.93 m/s2
0.29 Earths
4.82 m/s2
0.49 Earths
5.07 m/s2
0.51 Earths
6.09 m/s2
0.62 Earths
escape velocity:11.90 km/s5.679 km/s9.347 km/s9.829 km/s11.78 km/s
year: 219 RCJ721.1 days
73 Earth days
284 RCJ721.2 days
178 Earth days
1149 RCJ721.3 days
479 Earth days
2346 RCJ721.4 days
880 Earth days
4851 RCJ721.5 days
1617 Earth days
day:8 hrs15 hrs10 hrs9 hrs8 hrs
axial tilt:19°39°13°26°
temperature:1485 K
1212 C
902 K
629 C
363 K
90 C
215 K
-58 C
119 K
-154 C
atmosphere:82% N2
15% O2
3% CO2
0% other
6% H2
2% He
68% N2
24% O2
0% other
92% N2
3% O2
5% CO2
0% other
63% N2
37% O2
0% other
90% N2
4% O2
6% CO2
0% other
moons:185311818
rings:00000

planet:RCJ721.6RCJ721.7
distance from star:280*106 km337*106 km
radius:2668 km7292 km
mass:151*1021 kg3101*1021 kg
surface gravity: 1.41 m/s2
0.14 Earths
3.89 m/s2
0.39 Earths
escape velocity:2.748 km/s7.534 km/s
year: 1697 RCJ721.6 days
2971 Earth days
8520 RCJ721.7 days
3905 Earth days
day:42 hrs11 hrs
axial tilt:30°19°
temperature:63 K
-210 C
1236 K
963 C
atmosphere:87% N2
13% O2
0% other
100% other
moons:18
rings:00

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