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PGH331: red dwarf star with 7 planets

  PGH331.1   PGH331.2   PGH331.3   PGH331.4   PGH331.5   PGH331.6   PGH331.7  

Solar system 'PGH331' comprises the star 'PGH331' and the retinue of celestial objects gravitationally bound to it: 7 planets and their 22 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'PGH331', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. PGH331 is located more than 4954 lightyears from the center of the galaxy.

PGH331.5, the fifth planet in this system, may feature life forms. Its average temperature is 292K (19C) and it's atmosphere contains 29% of oxygen. One year on PGH331.5 lasts 601 days, one day lasts 45 hours. It's diameter is 5120 km, 0.4 times the diameter of the Earth.

This solar system comprises 7 planets

PGH331.1 is a very small terrestrial planet (2489 km radius) which orbits its star in 35 Earth days, one day on PGH331.1 lasts 47 Earth hours. Its average temperature is 1290 K (1017 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
PGH331.2 is a medium terrestrial planet (5818 km radius) which orbits its star in 64 Earth days, one day on PGH331.2 lasts 14 Earth hours. Its average temperature is 1147 K (874 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
PGH331.3 is a very small terrestrial planet (2294 km radius) which orbits its star in 178 Earth days, one day on PGH331.3 lasts 54 Earth hours. Its average temperature is 888 K (615 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
PGH331.4 is a small terrestrial planet (4368 km radius) which orbits its star in 327 Earth days, one day on PGH331.4 lasts 20 Earth hours. Its average temperature is 526 K (253 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 4 moons.
PGH331.5 is a very small terrestrial planet (2560 km radius) which orbits its star in 601 Earth days, one day on PGH331.5 lasts 45 Earth hours. Its average temperature is 292 K (19 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
PGH331.6 is a medium terrestrial planet (5065 km radius) which orbits its star in 1104 Earth days, one day on PGH331.6 lasts 16 Earth hours. Its average temperature is 155 K (-118 C), its atmosphere mainly consists of nitrogen, oxygen and it has 10 moons.
PGH331.7 is a medium terrestrial planet (5475 km radius) which orbits its star in 1452 Earth days, one day on PGH331.7 lasts 15 Earth hours. Its average temperature is 1173 K (900 C), its atmosphere mainly consists of and it has 8 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:PGH331.1PGH331.2PGH331.3PGH331.4PGH331.5
distance from star:14*106 km21*106 km43*106 km64*106 km96*106 km
radius:2489 km5818 km2294 km4368 km2560 km
mass:123*1021 kg1575*1021 kg96*1021 kg666*1021 kg134*1021 kg
surface gravity: 1.32 m/s2
0.13 Earths
3.10 m/s2
0.31 Earths
1.21 m/s2
0.12 Earths
2.32 m/s2
0.23 Earths
1.36 m/s2
0.13 Earths
escape velocity:2.568 km/s6.011 km/s2.363 km/s4.511 km/s2.643 km/s
year: 17 PGH331.1 days
35 Earth days
109 PGH331.2 days
64 Earth days
79 PGH331.3 days
178 Earth days
392 PGH331.4 days
327 Earth days
320 PGH331.5 days
601 Earth days
day:47 hrs14 hrs54 hrs20 hrs45 hrs
axial tilt:11°19°19°25°17°
temperature:1290 K
1017 C
1147 K
874 C
888 K
615 C
526 K
253 C
292 K
19 C
atmosphere:2% H2
1% He
72% N2
24% O2
1% CO2
0% other
3% H2
1% He
70% N2
23% O2
3% CO2
0% other
85% N2
10% O2
5% CO2
0% other
25% H2
3% He
29% N2
42% O2
1% CO2
0% other
71% N2
29% O2
0% other
moons:00040
rings:00000

planet:PGH331.6PGH331.7
distance from star:145*106 km174*106 km
radius:5065 km5475 km
mass:1039*1021 kg1312*1021 kg
surface gravity: 2.70 m/s2
0.27 Earths
2.92 m/s2
0.29 Earths
escape velocity:5.232 km/s5.655 km/s
year: 1656 PGH331.6 days
1104 Earth days
2323 PGH331.7 days
1452 Earth days
day:16 hrs15 hrs
axial tilt:87°24°
temperature:155 K
-118 C
1173 K
900 C
atmosphere:70% N2
30% O2
0% other
100% other
moons:108
rings:00

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