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XAB688: red dwarf star with 9 planets

  XAB688.1   XAB688.2   XAB688.3   XAB688.4  
XAB688.5
 
XAB688.6
 
XAB688.7
 
XAB688.8
 
XAB688.9
 

Solar system 'XAB688' comprises the star 'XAB688' and the retinue of celestial objects gravitationally bound to it: 9 planets and their 668 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'XAB688', a red dwarf class star that contains about 99.55% of the system's known mass and dominates it gravitationally. XAB688 is located more than 3778 lightyears from the center of the galaxy.

This solar system comprises 9 planets

XAB688.1 is a very small terrestrial planet (2629 km radius) which orbits its star in 79 Earth days, one day on XAB688.1 lasts 45 Earth hours. Its average temperature is 1596 K (1323 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
XAB688.2 is a very large terrestrial planet (11761 km radius) which orbits its star in 146 Earth days, one day on XAB688.2 lasts 10 Earth hours. Its average temperature is 1419 K (1146 C), its atmosphere mainly consists of nitrogen, oxygen and it has 42 moons.
XAB688.3 is a small terrestrial planet (3993 km radius) which orbits its star in 268 Earth days, one day on XAB688.3 lasts 24 Earth hours. Its average temperature is 946 K (673 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
XAB688.4 is a large terrestrial planet (8440 km radius) which orbits its star in 493 Earth days, one day on XAB688.4 lasts 12 Earth hours. Its average temperature is 560 K (287 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 38 moons.
XAB688.5 is a medium gas giant (29349 km radius) which orbits its star in 28978 Earth days, one day on XAB688.5 lasts 9 Earth hours. Its average temperature is 1149 K (876 C), its atmosphere mainly consists of hydrogen and it has 107 moons.
XAB688.6 is a medium gas giant (34991 km radius) which orbits its star in 53237 Earth days, one day on XAB688.6 lasts 9 Earth hours. Its average temperature is 1578 K (1305 C), its atmosphere mainly consists of hydrogen, helium and it has 169 moons.
XAB688.7 is a large gas giant (76356 km radius) which orbits its star in 226834 Earth days, one day on XAB688.7 lasts 9 Earth hours. Its average temperature is 1560 K (1287 C), its atmosphere mainly consists of hydrogen, helium and it has 89 moons.
XAB688.8 is a huge terrestrial planet (12101 km radius) which orbits its star in 416722 Earth days, one day on XAB688.8 lasts 10 Earth hours. Its average temperature is 1312 K (1039 C), its atmosphere mainly consists of hydrogen and it has 88 moons.
XAB688.9 is a huge terrestrial planet (14010 km radius) which orbits its star in 765567 Earth days, one day on XAB688.9 lasts 10 Earth hours. Its average temperature is 1803 K (1530 C), its atmosphere mainly consists of hydrogen and it has 133 moons.
More planetary details...

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Planetary Orbits

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Planetary Statistics

planet:XAB688.1XAB688.2XAB688.3XAB688.4XAB688.5
distance from star:25*106 km37*106 km56*106 km84*106 km1282*106 km
radius:2629 km11761 km3993 km8440 km29349 km
mass:145*1021 kg13014*1021 kg509*1021 kg4809*1021 kg202241*1021 kg
surface gravity: 1.40 m/s2
0.14 Earths
6.27 m/s2
0.64 Earths
2.13 m/s2
0.21 Earths
4.50 m/s2
0.46 Earths
15.6 m/s2
1.59 Earths
escape velocity:2.713 km/s12.15 km/s4.125 km/s8.721 km/s30.32 km/s
year: 42 XAB688.1 days
79 Earth days
350 XAB688.2 days
146 Earth days
268 XAB688.3 days
268 Earth days
986 XAB688.4 days
493 Earth days
77274 XAB688.5 days
28978 Earth days
day:45 hrs10 hrs24 hrs12 hrs9 hrs
axial tilt:11°11°14°
temperature:1596 K
1323 C
1419 K
1146 C
946 K
673 C
560 K
287 C
1149 K
876 C
atmosphere:87% N2
11% O2
2% CO2
0% other
53% N2
46% O2
1% CO2
0% other
4% H2
1% He
65% N2
30% O2
0% other
20% H2
4% He
30% N2
45% O2
1% CO2
0% other
97% H2
3% He
0% other
moons:042238107
rings:00007

planet:XAB688.6XAB688.7XAB688.8XAB688.9
distance from star:1923*106 km5054*106 km7582*106 km11373*106 km
radius:34991 km76356 km12101 km14010 km
mass:342735*1021 kg3561389*1021 kg14176*1021 kg21999*1021 kg
surface gravity: 18.6 m/s2
1.90 Earths
40.7 m/s2
4.16 Earths
6.46 m/s2
0.66 Earths
7.48 m/s2
0.76 Earths
escape velocity:36.15 km/s78.90 km/s12.50 km/s14.47 km/s
year: 141965 XAB688.6 days
53237 Earth days
604890 XAB688.7 days
226834 Earth days
1000132 XAB688.8 days
416722 Earth days
1837360 XAB688.9 days
765567 Earth days
day:9 hrs9 hrs10 hrs10 hrs
axial tilt:16°49°
temperature:1578 K
1305 C
1560 K
1287 C
1312 K
1039 C
1803 K
1530 C
atmosphere:88% H2
12% He
0% other
80% H2
20% He
0% other
94% H2
6% He
0% other
96% H2
4% He
0% other
moons:1698988133
rings:1242121

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