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TBC773: red dwarf star with 4 planets

  TBC773.1   TBC773.2   TBC773.3  
TBC773.4
 

Solar system 'TBC773' comprises the star 'TBC773' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 153 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TBC773', a red dwarf class star that contains about 99.96% of the system's known mass and dominates it gravitationally. TBC773 is located more than 573 lightyears from the center of the galaxy.

This solar system comprises 4 planets

TBC773.1 is a very large terrestrial planet (10799 km radius) which orbits its star in 679 Earth days, one day on TBC773.1 lasts 6 Earth hours. Its average temperature is 43 K (-230 C), its atmosphere mainly consists of nitrogen, oxygen and it has 36 moons.
TBC773.2 is a small terrestrial planet (4192 km radius) which orbits its star in 1247 Earth days, one day on TBC773.2 lasts 18 Earth hours. Its average temperature is 39 K (-234 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 7 moons.
TBC773.3 is a large terrestrial planet (7910 km radius) which orbits its star in 2291 Earth days, one day on TBC773.3 lasts 7 Earth hours. Its average temperature is 26 K (-247 C), its atmosphere mainly consists of nitrogen, oxygen and it has 20 moons.
TBC773.4 is a medium gas giant (24705 km radius) which orbits its star in 26615 Earth days, one day on TBC773.4 lasts 4 Earth hours. Its average temperature is 1003 K (730 C), its atmosphere mainly consists of hydrogen, helium and it has 90 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:TBC773.1TBC773.2TBC773.3TBC773.4
distance from star:104*106 km157*106 km236*106 km1211*106 km
radius:10799 km4192 km7910 km24705 km
mass:10074*1021 kg589*1021 kg3959*1021 kg120627*1021 kg
surface gravity: 5.76 m/s2
0.58 Earths
2.23 m/s2
0.22 Earths
4.22 m/s2
0.43 Earths
13.1 m/s2
1.33 Earths
escape velocity:11.15 km/s4.330 km/s8.173 km/s25.52 km/s
year: 2716 TBC773.1 days
679 Earth days
1662 TBC773.2 days
1247 Earth days
7854 TBC773.3 days
2291 Earth days
159690 TBC773.4 days
26615 Earth days
day:6 hrs18 hrs7 hrs4 hrs
axial tilt:19°13°13°
temperature:43 K
-230 C
39 K
-234 C
26 K
-247 C
1003 K
730 C
atmosphere:5% H2
1% He
54% N2
40% O2
0% other
26% H2
4% He
24% N2
46% O2
0% other
64% N2
34% O2
2% CO2
0% other
82% H2
18% He
0% other
moons:3672090
rings:00022

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