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TDA877: red dwarf star with 8 planets

  TDA877.1   TDA877.2  
TDA877.3
  TDA877.4  
TDA877.5
 
TDA877.6
  TDA877.7  
TDA877.8
 

Solar system 'TDA877' comprises the star 'TDA877' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 408 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TDA877', a red dwarf class star that contains about 99.53% of the system's known mass and dominates it gravitationally. TDA877 is located more than 3615 lightyears from the center of the galaxy.

This solar system comprises 8 planets

TDA877.1 is a very large terrestrial planet (10016 km radius) which orbits its star in 235 Earth days, one day on TDA877.1 lasts 10 Earth hours. Its average temperature is 388 K (115 C), its atmosphere mainly consists of nitrogen and it has 4 moons.
TDA877.2 is a very large terrestrial planet (9569 km radius) which orbits its star in 813 Earth days, one day on TDA877.2 lasts 10 Earth hours. Its average temperature is 148 K (-125 C), its atmosphere mainly consists of nitrogen, oxygen and it has 11 moons.
TDA877.3 is a very large terrestrial planet (9401 km radius) which orbits its star in 1493 Earth days, one day on TDA877.3 lasts 10 Earth hours. Its average temperature is 99 K (-174 C), its atmosphere mainly consists of nitrogen, oxygen and it has 39 moons.
TDA877.4 is a very small terrestrial planet (2084 km radius) which orbits its star in 2744 Earth days, one day on TDA877.4 lasts 65 Earth hours. Its average temperature is 58 K (-215 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
TDA877.5 is a large gas giant (42513 km radius) which orbits its star in 10171 Earth days, one day on TDA877.5 lasts 8 Earth hours. Its average temperature is 1725 K (1452 C), its atmosphere mainly consists of hydrogen, helium and it has 151 moons.
TDA877.6 is a medium gas giant (25674 km radius) which orbits its star in 27120 Earth days, one day on TDA877.6 lasts 8 Earth hours. Its average temperature is 1873 K (1600 C), its atmosphere mainly consists of hydrogen and it has 86 moons.
TDA877.7 is a large gas giant (77580 km radius) which orbits its star in 119341 Earth days, one day on TDA877.7 lasts 8 Earth hours. Its average temperature is 1255 K (982 C), its atmosphere mainly consists of hydrogen and it has 46 moons.
TDA877.8 is a large terrestrial planet (8706 km radius) which orbits its star in 219243 Earth days, one day on TDA877.8 lasts 11 Earth hours. Its average temperature is 1495 K (1222 C), its atmosphere mainly consists of hydrogen and it has 70 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:TDA877.1TDA877.2TDA877.3TDA877.4TDA877.5
distance from star:51*106 km118*106 km177*106 km266*106 km637*106 km
radius:10016 km9569 km9401 km2084 km42513 km
mass:8038*1021 kg7009*1021 kg6646*1021 kg72*1021 kg614688*1021 kg
surface gravity: 5.34 m/s2
0.54 Earths
5.10 m/s2
0.52 Earths
5.01 m/s2
0.51 Earths
1.10 m/s2
0.11 Earths
22.6 m/s2
2.31 Earths
escape velocity:10.35 km/s9.888 km/s9.714 km/s2.147 km/s43.93 km/s
year: 564 TDA877.1 days
235 Earth days
1951 TDA877.2 days
813 Earth days
3583 TDA877.3 days
1493 Earth days
1013 TDA877.4 days
2744 Earth days
30513 TDA877.5 days
10171 Earth days
day:10 hrs10 hrs10 hrs65 hrs8 hrs
axial tilt:45°15°176°24°
temperature:388 K
115 C
148 K
-125 C
99 K
-174 C
58 K
-215 C
1725 K
1452 C
atmosphere:88% N2
5% O2
7% CO2
0% other
2% H2
2% He
71% N2
24% O2
1% CO2
0% other
4% H2
1% He
69% N2
25% O2
1% CO2
0% other
1% H2
1% He
79% N2
19% O2
0% other
82% H2
18% He
0% other
moons:411391151
rings:004022

planet:TDA877.6TDA877.7TDA877.8
distance from star:1226*106 km3294*106 km4941*106 km
radius:25674 km77580 km8706 km
mass:135385*1021 kg3735418*1021 kg5278*1021 kg
surface gravity: 13.7 m/s2
1.40 Earths
41.4 m/s2
4.23 Earths
4.64 m/s2
0.47 Earths
escape velocity:26.53 km/s80.17 km/s8.995 km/s
year: 81360 TDA877.6 days
27120 Earth days
358023 TDA877.7 days
119341 Earth days
478348 TDA877.8 days
219243 Earth days
day:8 hrs8 hrs11 hrs
axial tilt:67°
temperature:1873 K
1600 C
1255 K
982 C
1495 K
1222 C
atmosphere:98% H2
2% He
0% other
96% H2
4% He
0% other
91% H2
9% He
0% other
moons:864670
rings:1709

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