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QJK918: red giant star with 2 planets

  QJK918.1   QJK918.2  

Solar system 'QJK918' is a dual star system that comprises the stars 'QJK918.A' and 'QJK918.B' and the retinue of celestial objects gravitationally bound to them: 2 planets and their 0 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'QJK918.A' and 'QJK918.B' that dominate it gravitationally. 'QJK918.A' is a red giant class star that contains about 88% of the system's known mass, 'QJK918.B' is a yellow dwarf class star that contains about 11% of the system's known mass.

System 'QJK918' is located more than 2705 lightyears from the center of the galaxy.

This solar system comprises 2 planets

QJK918.1 is a small terrestrial planet (4772 km radius) which orbits its star in 49 Earth days, one day on QJK918.1 lasts 12 Earth hours. Its average temperature is 1528 K (1255 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
QJK918.2 is a small terrestrial planet (3187 km radius) which orbits its star in 181 Earth days, one day on QJK918.2 lasts 26 Earth hours. Its average temperature is 1914 K (1641 C), its atmosphere mainly consists of and it has 0 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:QJK918.1QJK918.2
distance from star:18*106 km43*106 km
radius:4772 km3187 km
mass:869*1021 kg258*1021 kg
surface gravity: 2.54 m/s2
0.25 Earths
1.69 m/s2
0.17 Earths
escape velocity:4.930 km/s3.287 km/s
year: 98 QJK918.1 days
49 Earth days
167 QJK918.2 days
181 Earth days
day:12 hrs26 hrs
axial tilt:
temperature:1528 K
1255 C
1914 K
1641 C
atmosphere:7% H2
2% He
61% N2
27% O2
3% CO2
0% other
100% other
moons:00
rings:00

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