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TAC388: red dwarf star with 2 planets

  TAC388.1   TAC388.2  

Solar system 'TAC388' comprises the star 'TAC388' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 3 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TAC388', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. TAC388 is located more than 573 lightyears from the center of the galaxy.

This solar system comprises 2 planets

TAC388.1 is a large terrestrial planet (8112 km radius) which orbits its star in 107 Earth days, one day on TAC388.1 lasts 5 Earth hours. Its average temperature is 1183 K (910 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 3 moons.
TAC388.2 is a small terrestrial planet (3851 km radius) which orbits its star in 197 Earth days, one day on TAC388.2 lasts 18 Earth hours. Its average temperature is 1051 K (778 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
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Planetary Orbits

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Planetary Statistics

planet:TAC388.1TAC388.2
distance from star:30*106 km46*106 km
radius:8112 km3851 km
mass:4270*1021 kg456*1021 kg
surface gravity: 4.33 m/s2
0.44 Earths
2.05 m/s2
0.20 Earths
escape velocity:8.382 km/s3.975 km/s
year: 513 TAC388.1 days
107 Earth days
262 TAC388.2 days
197 Earth days
day:5 hrs18 hrs
axial tilt:347°12°
temperature:1183 K
910 C
1051 K
778 C
atmosphere:13% H2
2% He
45% N2
40% O2
0% other
60% N2
39% O2
1% CO2
0% other
moons:30
rings:00

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