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RKH992: red dwarf star with 9 planets

 
RKH992.1
  RKH992.2  
RKH992.3
  RKH992.4   RKH992.5   RKH992.6   RKH992.7   RKH992.8   RKH992.9  

Solar system 'RKH992' comprises the star 'RKH992' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 246 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'RKH992', a red dwarf class star that contains about 99.94% of the system's known mass and dominates it gravitationally. RKH992 is located more than 403 lightyears from the center of the galaxy.

This solar system comprises 9 planets

RKH992.1 is a large terrestrial planet (8854 km radius) which orbits its star in 356 Earth days, one day on RKH992.1 lasts 12 Earth hours. Its average temperature is 142 K (-131 C), its atmosphere mainly consists of nitrogen, oxygen and it has 30 moons.
RKH992.2 is a large terrestrial planet (7519 km radius) which orbits its star in 868 Earth days, one day on RKH992.2 lasts 13 Earth hours. Its average temperature is 87 K (-186 C), its atmosphere mainly consists of nitrogen, oxygen and it has 21 moons.
RKH992.3 is a small terrestrial planet (3494 km radius) which orbits its star in 1595 Earth days, one day on RKH992.3 lasts 29 Earth hours. Its average temperature is 58 K (-215 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 5 moons.
RKH992.4 is a small terrestrial planet (4951 km radius) which orbits its star in 2931 Earth days, one day on RKH992.4 lasts 19 Earth hours. Its average temperature is 34 K (-239 C), its atmosphere mainly consists of nitrogen, oxygen and it has 22 moons.
RKH992.5 is a large terrestrial planet (8504 km radius) which orbits its star in 5386 Earth days, one day on RKH992.5 lasts 12 Earth hours. Its average temperature is 19 K (-254 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 33 moons.
RKH992.6 is a small terrestrial planet (4533 km radius) which orbits its star in 9895 Earth days, one day on RKH992.6 lasts 21 Earth hours. Its average temperature is 10 K (-263 C), its atmosphere mainly consists of nitrogen and it has 1 moons.
RKH992.7 is a large terrestrial planet (8066 km radius) which orbits its star in 18178 Earth days, one day on RKH992.7 lasts 12 Earth hours. Its average temperature is 5 K (-268 C), its atmosphere mainly consists of nitrogen, oxygen and it has 41 moons.
RKH992.8 is a medium gas giant (34233 km radius) which orbits its star in 33396 Earth days, one day on RKH992.8 lasts 9 Earth hours. Its average temperature is 1647 K (1374 C), its atmosphere mainly consists of hydrogen, helium and it has 67 moons.
RKH992.9 is a large terrestrial planet (8070 km radius) which orbits its star in 43900 Earth days, one day on RKH992.9 lasts 12 Earth hours. Its average temperature is 1294 K (1021 C), its atmosphere mainly consists of and it has 26 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:RKH992.1RKH992.2RKH992.3RKH992.4RKH992.5
distance from star:68*106 km123*106 km185*106 km278*106 km417*106 km
radius:8854 km7519 km3494 km4951 km8504 km
mass:5552*1021 kg3400*1021 kg341*1021 kg970*1021 kg4919*1021 kg
surface gravity: 4.72 m/s2
0.48 Earths
4.01 m/s2
0.41 Earths
1.86 m/s2
0.19 Earths
2.64 m/s2
0.26 Earths
4.53 m/s2
0.46 Earths
escape velocity:9.148 km/s7.769 km/s3.609 km/s5.113 km/s8.787 km/s
year: 712 RKH992.1 days
356 Earth days
1602 RKH992.2 days
868 Earth days
1320 RKH992.3 days
1595 Earth days
3702 RKH992.4 days
2931 Earth days
10772 RKH992.5 days
5386 Earth days
day:12 hrs13 hrs29 hrs19 hrs12 hrs
axial tilt:16°17°30°
temperature:142 K
-131 C
87 K
-186 C
58 K
-215 C
34 K
-239 C
19 K
-254 C
atmosphere:71% N2
26% O2
3% CO2
0% other
80% N2
18% O2
2% CO2
0% other
17% H2
2% He
36% N2
45% O2
0% other
1% H2
2% He
69% N2
25% O2
3% CO2
0% other
18% H2
3% He
39% N2
39% O2
1% CO2
0% other
moons:302152233
rings:30300

planet:RKH992.6RKH992.7RKH992.8RKH992.9
distance from star:626*106 km939*106 km1409*106 km1691*106 km
radius:4533 km8066 km34233 km8070 km
mass:745*1021 kg4198*1021 kg320940*1021 kg4204*1021 kg
surface gravity: 2.41 m/s2
0.24 Earths
4.30 m/s2
0.43 Earths
18.2 m/s2
1.86 Earths
4.30 m/s2
0.43 Earths
escape velocity:4.683 km/s8.335 km/s35.37 km/s8.338 km/s
year: 11308 RKH992.6 days
9895 Earth days
36356 RKH992.7 days
18178 Earth days
89056 RKH992.8 days
33396 Earth days
87800 RKH992.9 days
43900 Earth days
day:21 hrs12 hrs9 hrs12 hrs
axial tilt:18°
temperature:10 K
-263 C
5 K
-268 C
1647 K
1374 C
1294 K
1021 C
atmosphere:85% N2
8% O2
7% CO2
0% other
4% H2
2% He
60% N2
34% O2
0% other
82% H2
18% He
0% other
100% other
moons:1416726
rings:0000

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