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TBA400: red dwarf star with 8 planets

 
TBA400.1
  TBA400.2   TBA400.3   TBA400.4   TBA400.5  
TBA400.6
 
TBA400.7
 
TBA400.8
 

Solar system 'TBA400' comprises the star 'TBA400' and the retinue of celestial objects gravitationally bound to it: 8 planets and their 419 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TBA400', a red dwarf class star that contains about 99.86% of the system's known mass and dominates it gravitationally. TBA400 is located more than 3710 lightyears from the center of the galaxy.

This solar system comprises 8 planets

TBA400.1 is a very small terrestrial planet (2546 km radius) which orbits its star in 2 Earth days, one day on TBA400.1 lasts 46 Earth hours. Its average temperature is 1919 K (1646 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
TBA400.2 is a large terrestrial planet (8810 km radius) which orbits its star in 130 Earth days, one day on TBA400.2 lasts 11 Earth hours. Its average temperature is 773 K (500 C), its atmosphere mainly consists of nitrogen and it has 4 moons.
TBA400.3 is a very large terrestrial planet (9557 km radius) which orbits its star in 239 Earth days, one day on TBA400.3 lasts 10 Earth hours. Its average temperature is 515 K (242 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 23 moons.
TBA400.4 is a very large terrestrial planet (9765 km radius) which orbits its star in 859 Earth days, one day on TBA400.4 lasts 10 Earth hours. Its average temperature is 125 K (-148 C), its atmosphere mainly consists of nitrogen and it has 42 moons.
TBA400.5 is a very large terrestrial planet (9256 km radius) which orbits its star in 1579 Earth days, one day on TBA400.5 lasts 10 Earth hours. Its average temperature is 69 K (-204 C), its atmosphere mainly consists of nitrogen, oxygen and it has 30 moons.
TBA400.6 is a medium gas giant (29906 km radius) which orbits its star in 24126 Earth days, one day on TBA400.6 lasts 8 Earth hours. Its average temperature is 1070 K (797 C), its atmosphere mainly consists of hydrogen and it has 70 moons.
TBA400.7 is a medium gas giant (33908 km radius) which orbits its star in 65707 Earth days, one day on TBA400.7 lasts 8 Earth hours. Its average temperature is 1976 K (1703 C), its atmosphere mainly consists of hydrogen, helium and it has 112 moons.
TBA400.8 is a small gas giant (19703 km radius) which orbits its star in 120713 Earth days, one day on TBA400.8 lasts 8 Earth hours. Its average temperature is 1713 K (1440 C), its atmosphere mainly consists of hydrogen, helium and it has 138 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:TBA400.1TBA400.2TBA400.3TBA400.4TBA400.5
distance from star:2*106 km34*106 km52*106 km122*106 km184*106 km
radius:2546 km8810 km9557 km9765 km9256 km
mass:132*1021 kg5470*1021 kg6983*1021 kg7449*1021 kg6343*1021 kg
surface gravity: 1.35 m/s2
0.13 Earths
4.70 m/s2
0.48 Earths
5.10 m/s2
0.52 Earths
5.21 m/s2
0.53 Earths
4.94 m/s2
0.50 Earths
escape velocity:2.630 km/s9.103 km/s9.875 km/s10.09 km/s9.564 km/s
year: 1 TBA400.1 days
2 Earth days
283 TBA400.2 days
130 Earth days
573 TBA400.3 days
239 Earth days
2061 TBA400.4 days
859 Earth days
3789 TBA400.5 days
1579 Earth days
day:46 hrs11 hrs10 hrs10 hrs10 hrs
axial tilt:19°30°32°12°30°
temperature:1919 K
1646 C
773 K
500 C
515 K
242 C
125 K
-148 C
69 K
-204 C
atmosphere:64% N2
34% O2
2% CO2
0% other
92% N2
5% O2
3% CO2
0% other
32% N2
68% CO2
0% other
90% N2
3% O2
7% CO2
0% other
4% H2
1% He
53% N2
41% O2
1% CO2
0% other
moons:04234230
rings:40000

planet:TBA400.6TBA400.7TBA400.8
distance from star:1134*106 km2212*106 km3319*106 km
radius:29906 km33908 km19703 km
mass:213975*1021 kg311886*1021 kg61190*1021 kg
surface gravity: 15.9 m/s2
1.62 Earths
18.1 m/s2
1.85 Earths
10.5 m/s2
1.07 Earths
escape velocity:30.90 km/s35.03 km/s20.36 km/s
year: 72378 TBA400.6 days
24126 Earth days
197121 TBA400.7 days
65707 Earth days
362139 TBA400.8 days
120713 Earth days
day:8 hrs8 hrs8 hrs
axial tilt:49°
temperature:1070 K
797 C
1976 K
1703 C
1713 K
1440 C
atmosphere:90% H2
10% He
0% other
78% H2
22% He
0% other
84% H2
16% He
0% other
moons:70112138
rings:152123

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