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REF657: red dwarf star with 8 planets

  REF657.1   REF657.2   REF657.3   REF657.4  
REF657.5
 
REF657.6
 
REF657.7
 
REF657.8
 

Solar system 'REF657' comprises the star 'REF657' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 466 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'REF657', a red dwarf class star that contains about 99.73% of the system's known mass and dominates it gravitationally. REF657 is located more than 4503 lightyears from the center of the galaxy.

This solar system comprises 8 planets

REF657.1 is a very large terrestrial planet (10690 km radius) which orbits its star in 63 Earth days, one day on REF657.1 lasts 10 Earth hours. Its average temperature is 1746 K (1473 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
REF657.2 is a large terrestrial planet (7606 km radius) which orbits its star in 253 Earth days, one day on REF657.2 lasts 12 Earth hours. Its average temperature is 550 K (277 C), its atmosphere mainly consists of nitrogen, oxygen and it has 13 moons.
REF657.3 is a very large terrestrial planet (9087 km radius) which orbits its star in 928 Earth days, one day on REF657.3 lasts 11 Earth hours. Its average temperature is 146 K (-127 C), its atmosphere mainly consists of nitrogen, oxygen and it has 33 moons.
REF657.4 is a medium terrestrial planet (5907 km radius) which orbits its star in 1706 Earth days, one day on REF657.4 lasts 15 Earth hours. Its average temperature is 86 K (-187 C), its atmosphere mainly consists of nitrogen, oxygen and it has 9 moons.
REF657.5 is a very large terrestrial planet (10695 km radius) which orbits its star in 6382 Earth days, one day on REF657.5 lasts 10 Earth hours. Its average temperature is 1856 K (1583 C), its atmosphere mainly consists of hydrogen, helium and it has 120 moons.
REF657.6 is a medium gas giant (36567 km radius) which orbits its star in 57365 Earth days, one day on REF657.6 lasts 8 Earth hours. Its average temperature is 1268 K (995 C), its atmosphere mainly consists of hydrogen, helium and it has 100 moons.
REF657.7 is a medium gas giant (37983 km radius) which orbits its star in 122427 Earth days, one day on REF657.7 lasts 8 Earth hours. Its average temperature is 1893 K (1620 C), its atmosphere mainly consists of hydrogen and it has 43 moons.
REF657.8 is a large gas giant (52082 km radius) which orbits its star in 224914 Earth days, one day on REF657.8 lasts 8 Earth hours. Its average temperature is 1722 K (1449 C), its atmosphere mainly consists of hydrogen and it has 138 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:REF657.1REF657.2REF657.3REF657.4REF657.5
distance from star:21*106 km54*106 km129*106 km194*106 km467*106 km
radius:10690 km7606 km9087 km5907 km10695 km
mass:9772*1021 kg3520*1021 kg6002*1021 kg1648*1021 kg9786*1021 kg
surface gravity: 5.70 m/s2
0.58 Earths
4.06 m/s2
0.41 Earths
4.85 m/s2
0.49 Earths
3.15 m/s2
0.32 Earths
5.71 m/s2
0.58 Earths
escape velocity:11.04 km/s7.859 km/s9.389 km/s6.102 km/s11.05 km/s
year: 151 REF657.1 days
63 Earth days
506 REF657.2 days
253 Earth days
2024 REF657.3 days
928 Earth days
2729 REF657.4 days
1706 Earth days
15316 REF657.5 days
6382 Earth days
day:10 hrs12 hrs11 hrs15 hrs10 hrs
axial tilt:30°13°21°
temperature:1746 K
1473 C
550 K
277 C
146 K
-127 C
86 K
-187 C
1856 K
1583 C
atmosphere:1% He
80% N2
18% O2
1% CO2
0% other
1% He
65% N2
34% O2
0% other
4% H2
1% He
54% N2
39% O2
2% CO2
0% other
84% N2
13% O2
3% CO2
0% other
83% H2
17% He
0% other
moons:1013339120
rings:00009

planet:REF657.6REF657.7REF657.8
distance from star:2021*106 km3350*106 km5026*106 km
radius:36567 km37983 km52082 km
mass:391163*1021 kg438387*1021 kg1130193*1021 kg
surface gravity: 19.5 m/s2
1.99 Earths
20.2 m/s2
2.06 Earths
27.8 m/s2
2.84 Earths
escape velocity:37.78 km/s39.25 km/s53.82 km/s
year: 172095 REF657.6 days
57365 Earth days
367281 REF657.7 days
122427 Earth days
674742 REF657.8 days
224914 Earth days
day:8 hrs8 hrs8 hrs
axial tilt:88°80°
temperature:1268 K
995 C
1893 K
1620 C
1722 K
1449 C
atmosphere:81% H2
19% He
0% other
95% H2
5% He
0% other
100% H2
0% other
moons:10043138
rings:211919

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