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TKK790: red dwarf star with 4 planets

  TKK790.1   TKK790.2  
TKK790.3
  TKK790.4  

Solar system 'TKK790' comprises the star 'TKK790' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 275 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TKK790', a red dwarf class star that contains about 99.57% of the system's known mass and dominates it gravitationally. TKK790 is located more than 3940 lightyears from the center of the galaxy.

This solar system comprises 4 planets

TKK790.1 is a medium terrestrial planet (6371 km radius) which orbits its star in 108 Earth days, one day on TKK790.1 lasts 10 Earth hours. Its average temperature is 890 K (617 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
TKK790.2 is a very small terrestrial planet (2608 km radius) which orbits its star in 198 Earth days, one day on TKK790.2 lasts 40 Earth hours. Its average temperature is 791 K (518 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 0 moons.
TKK790.3 is a medium gas giant (34830 km radius) which orbits its star in 26321 Earth days, one day on TKK790.3 lasts 4 Earth hours. Its average temperature is 1055 K (782 C), its atmosphere mainly consists of hydrogen and it has 149 moons.
TKK790.4 is a large gas giant (72063 km radius) which orbits its star in 191644 Earth days, one day on TKK790.4 lasts 4 Earth hours. Its average temperature is 1378 K (1105 C), its atmosphere mainly consists of hydrogen, helium and it has 126 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:TKK790.1TKK790.2TKK790.3TKK790.4
distance from star:30*106 km46*106 km1202*106 km4517*106 km
radius:6371 km2608 km34830 km72063 km
mass:2068*1021 kg141*1021 kg338026*1021 kg2993829*1021 kg
surface gravity: 3.40 m/s2
0.34 Earths
1.38 m/s2
0.14 Earths
18.5 m/s2
1.89 Earths
38.4 m/s2
3.92 Earths
escape velocity:6.582 km/s2.686 km/s35.99 km/s74.46 km/s
year: 259 TKK790.1 days
108 Earth days
118 TKK790.2 days
198 Earth days
157926 TKK790.3 days
26321 Earth days
1149864 TKK790.4 days
191644 Earth days
day:10 hrs40 hrs4 hrs4 hrs
axial tilt:20°10°
temperature:890 K
617 C
791 K
518 C
1055 K
782 C
1378 K
1105 C
atmosphere:72% N2
26% O2
2% CO2
0% other
15% H2
2% He
40% N2
43% O2
0% other
99% H2
1% He
0% other
79% H2
21% He
0% other
moons:00149126
rings:00240

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