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TBC777: red dwarf star with 7 planets

  TBC777.1   TBC777.2   TBC777.3   TBC777.4   TBC777.5  
TBC777.6
  TBC777.7  

Solar system 'TBC777' comprises the star 'TBC777' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 448 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TBC777', a red dwarf class star that contains about 99.39% of the system's known mass and dominates it gravitationally. TBC777 is located more than 573 lightyears from the center of the galaxy.

This solar system comprises 7 planets

TBC777.1 is a very large terrestrial planet (10683 km radius) which orbits its star in 324 Earth days, one day on TBC777.1 lasts 9 Earth hours. Its average temperature is 81 K (-192 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
TBC777.2 is a medium terrestrial planet (6754 km radius) which orbits its star in 775 Earth days, one day on TBC777.2 lasts 12 Earth hours. Its average temperature is 50 K (-223 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
TBC777.3 is a large terrestrial planet (7933 km radius) which orbits its star in 1665 Earth days, one day on TBC777.3 lasts 10 Earth hours. Its average temperature is 27 K (-246 C), its atmosphere mainly consists of nitrogen, oxygen and it has 41 moons.
TBC777.4 is a very large terrestrial planet (11120 km radius) which orbits its star in 3060 Earth days, one day on TBC777.4 lasts 9 Earth hours. Its average temperature is 16 K (-257 C), its atmosphere mainly consists of nitrogen, oxygen and it has 43 moons.
TBC777.5 is a large gas giant (52030 km radius) which orbits its star in 16515 Earth days, one day on TBC777.5 lasts 7 Earth hours. Its average temperature is 1954 K (1681 C), its atmosphere mainly consists of hydrogen, helium and it has 126 moons.
TBC777.6 is a massive terrestrial planet (15021 km radius) which orbits its star in 30340 Earth days, one day on TBC777.6 lasts 8 Earth hours. Its average temperature is 1300 K (1027 C), its atmosphere mainly consists of hydrogen, helium and it has 158 moons.
TBC777.7 is a large gas giant (44821 km radius) which orbits its star in 55738 Earth days, one day on TBC777.7 lasts 7 Earth hours. Its average temperature is 1540 K (1267 C), its atmosphere mainly consists of hydrogen, helium and it has 53 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:TBC777.1TBC777.2TBC777.3TBC777.4TBC777.5
distance from star:64*106 km114*106 km190*106 km286*106 km881*106 km
radius:10683 km6754 km7933 km11120 km52030 km
mass:9753*1021 kg2464*1021 kg3993*1021 kg11000*1021 kg1126812*1021 kg
surface gravity: 5.70 m/s2
0.58 Earths
3.60 m/s2
0.36 Earths
4.23 m/s2
0.43 Earths
5.93 m/s2
0.60 Earths
27.7 m/s2
2.83 Earths
escape velocity:11.03 km/s6.978 km/s8.196 km/s11.49 km/s53.76 km/s
year: 864 TBC777.1 days
324 Earth days
1550 TBC777.2 days
775 Earth days
3996 TBC777.3 days
1665 Earth days
8160 TBC777.4 days
3060 Earth days
56622 TBC777.5 days
16515 Earth days
day:9 hrs12 hrs10 hrs9 hrs7 hrs
axial tilt:20°239°53°
temperature:81 K
-192 C
50 K
-223 C
27 K
-246 C
16 K
-257 C
1954 K
1681 C
atmosphere:1% He
71% N2
27% O2
1% CO2
0% other
65% N2
35% O2
0% other
1% H2
1% He
80% N2
12% O2
6% CO2
0% other
78% N2
18% O2
4% CO2
0% other
85% H2
15% He
0% other
moons:10174143126
rings:00000

planet:TBC777.6TBC777.7
distance from star:1322*106 km1983*106 km
radius:15021 km44821 km
mass:27113*1021 kg720335*1021 kg
surface gravity: 8.02 m/s2
0.82 Earths
23.9 m/s2
2.44 Earths
escape velocity:15.52 km/s46.31 km/s
year: 91020 TBC777.6 days
30340 Earth days
191101 TBC777.7 days
55738 Earth days
day:8 hrs7 hrs
axial tilt:
temperature:1300 K
1027 C
1540 K
1267 C
atmosphere:87% H2
13% He
0% other
81% H2
19% He
0% other
moons:15853
rings:210

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