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TCK257: yellow dwarf star with 2 planets


Solar system 'TCK257' comprises the star 'TCK257' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 284 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'TCK257', a yellow dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. TCK257 is located more than 1869 lightyears from the center of the galaxy.

This solar system comprises 2 planets

TCK257.1 is a massive terrestrial planet (17806 km radius) which orbits its star in 1812 Earth days, one day on TCK257.1 lasts 2 Earth hours. Its average temperature is 1325 K (1052 C), its atmosphere mainly consists of hydrogen, helium and it has 114 moons.
TCK257.2 is a small gas giant (19692 km radius) which orbits its star in 24932 Earth days, one day on TCK257.2 lasts 2 Earth hours. Its average temperature is 1021 K (748 C), its atmosphere mainly consists of hydrogen, helium and it has 170 moons.
More planetary details...


Planetary Orbits


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Planetary Statistics

distance from star:201*106 km1159*106 km
radius:17806 km19692 km
mass:45163*1021 kg61088*1021 kg
surface gravity: 9.50 m/s2
0.97 Earths
10.5 m/s2
1.07 Earths
escape velocity:18.40 km/s20.34 km/s
year: 21744 TCK257.1 days
1812 Earth days
299184 TCK257.2 days
24932 Earth days
day:2 hrs2 hrs
axial tilt:
temperature:1325 K
1052 C
1021 K
748 C
atmosphere:77% H2
23% He
0% other
81% H2
19% He
0% other

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