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SFF957: red giant star with 4 planets

  SFF957.1   SFF957.2   SFF957.3  
SFF957.4
 

Solar system 'SFF957' is a dual star system that comprises the stars 'SFF957.A' and 'SFF957.B' and the retinue of celestial objects gravitationally bound to them: 4 planets and their 274 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal components of this star system are the stars 'SFF957.A' and 'SFF957.B' that dominate it gravitationally. 'SFF957.A' is a red giant class star that contains about 99% of the system's known mass, 'SFF957.B' is a brown dwarf class star that contains about 0% of the system's known mass.

System 'SFF957' is located more than 2615 lightyears from the center of the galaxy.

This solar system comprises 4 planets

SFF957.1 is a large terrestrial planet (7576 km radius) which orbits its star in 67 Earth days, one day on SFF957.1 lasts 8 Earth hours. Its average temperature is 1751 K (1478 C), its atmosphere mainly consists of nitrogen, oxygen and it has 7 moons.
SFF957.2 is a small terrestrial planet (4211 km radius) which orbits its star in 165 Earth days, one day on SFF957.2 lasts 18 Earth hours. Its average temperature is 1053 K (780 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
SFF957.3 is a large gas giant (79736 km radius) which orbits its star in 106776 Earth days, one day on SFF957.3 lasts 4 Earth hours. Its average temperature is 1984 K (1711 C), its atmosphere mainly consists of hydrogen and it has 156 moons.
SFF957.4 is a medium terrestrial planet (6737 km radius) which orbits its star in 196161 Earth days, one day on SFF957.4 lasts 9 Earth hours. Its average temperature is 1059 K (786 C), its atmosphere mainly consists of hydrogen and it has 110 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:SFF957.1SFF957.2SFF957.3SFF957.4
distance from star:22*106 km41*106 km3058*106 km4588*106 km
radius:7576 km4211 km79736 km6737 km
mass:3478*1021 kg597*1021 kg4055583*1021 kg2446*1021 kg
surface gravity: 4.04 m/s2
0.41 Earths
2.24 m/s2
0.22 Earths
42.5 m/s2
4.34 Earths
3.59 m/s2
0.36 Earths
escape velocity:7.828 km/s4.350 km/s82.39 km/s6.961 km/s
year: 201 SFF957.1 days
67 Earth days
220 SFF957.2 days
165 Earth days
640656 SFF957.3 days
106776 Earth days
523096 SFF957.4 days
196161 Earth days
day:8 hrs18 hrs4 hrs9 hrs
axial tilt:10°100°
temperature:1751 K
1478 C
1053 K
780 C
1984 K
1711 C
1059 K
786 C
atmosphere:10% H2
2% He
53% N2
35% O2
0% other
76% N2
21% O2
3% CO2
0% other
97% H2
3% He
0% other
91% H2
9% He
0% other
moons:71156110
rings:0003

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