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MAC286: red giant star with 4 planets

  MAC286.1   MAC286.2   MAC286.3   MAC286.4  

Solar system 'MAC286' is a dual star system that comprises the stars 'MAC286.A' and 'MAC286.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 31 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'MAC286.A' and 'MAC286.B' that dominate it gravitationally. 'MAC286.A' is a red giant class star that contains about 74% of the system's known mass, 'MAC286.B' is a red giant class star that contains about 25% of the system's known mass.

System 'MAC286' is located more than 5146 lightyears from the center of the galaxy.

This solar system comprises 4 planets

MAC286.1 is a medium terrestrial planet (5676 km radius) which orbits its star in 158 Earth days, one day on MAC286.1 lasts 11 Earth hours. Its average temperature is 1261 K (988 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 3 moons.
MAC286.2 is a medium terrestrial planet (6432 km radius) which orbits its star in 345 Earth days, one day on MAC286.2 lasts 10 Earth hours. Its average temperature is 1786 K (1513 C), its atmosphere mainly consists of nitrogen, oxygen and it has 5 moons.
MAC286.3 is a large terrestrial planet (7827 km radius) which orbits its star in 1005 Earth days, one day on MAC286.3 lasts 8 Earth hours. Its average temperature is 1291 K (1018 C), its atmosphere mainly consists of nitrogen and it has 14 moons.
MAC286.4 is a small terrestrial planet (4852 km radius) which orbits its star in 1321 Earth days, one day on MAC286.4 lasts 14 Earth hours. Its average temperature is 1509 K (1236 C), its atmosphere mainly consists of and it has 9 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:MAC286.1MAC286.2MAC286.3MAC286.4
distance from star:39*106 km66*106 km136*106 km163*106 km
radius:5676 km6432 km7827 km4852 km
mass:1462*1021 kg2128*1021 kg3835*1021 kg913*1021 kg
surface gravity: 3.02 m/s2
0.30 Earths
3.43 m/s2
0.35 Earths
4.17 m/s2
0.42 Earths
2.58 m/s2
0.26 Earths
escape velocity:5.863 km/s6.645 km/s8.087 km/s5.011 km/s
year: 344 MAC286.1 days
158 Earth days
828 MAC286.2 days
345 Earth days
3015 MAC286.3 days
1005 Earth days
2264 MAC286.4 days
1321 Earth days
day:11 hrs10 hrs8 hrs14 hrs
axial tilt:30°14°22°
temperature:1261 K
988 C
1786 K
1513 C
1291 K
1018 C
1509 K
1236 C
atmosphere:75% N2
2% O2
23% CO2
0% other
1% He
86% N2
13% O2
0% other
93% N2
7% O2
0% other
100% other
moons:35149
rings:0000

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