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RBJ475: red dwarf star with 4 planets

  RBJ475.1   RBJ475.2   RBJ475.3   RBJ475.4  

Solar system 'RBJ475' comprises the star 'RBJ475' and the retinue of celestial objects gravitationally bound to it: 4 planets and their 78 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'RBJ475', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. RBJ475 is located more than 1821 lightyears from the center of the galaxy.

This solar system comprises 4 planets

RBJ475.1 is a very large terrestrial planet (9750 km radius) which orbits its star in 509 Earth days, one day on RBJ475.1 lasts 6 Earth hours. Its average temperature is 48 K (-225 C), its atmosphere mainly consists of nitrogen, oxygen and it has 43 moons.
RBJ475.2 is a small terrestrial planet (3287 km radius) which orbits its star in 935 Earth days, one day on RBJ475.2 lasts 27 Earth hours. Its average temperature is 43 K (-230 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
RBJ475.3 is a very large terrestrial planet (11924 km radius) which orbits its star in 1719 Earth days, one day on RBJ475.3 lasts 5 Earth hours. Its average temperature is 28 K (-245 C), its atmosphere mainly consists of nitrogen, oxygen and it has 35 moons.
RBJ475.4 is a small terrestrial planetoid (1951 km radius) which orbits its star in 2260 Earth days, one day on RBJ475.4 lasts 70 Earth hours. Its average temperature is 1239 K (966 C), its atmosphere mainly consists of and it has 0 moons.
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Planetary Orbits

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Planetary Statistics

planet:RBJ475.1RBJ475.2RBJ475.3RBJ475.4
distance from star:86*106 km130*106 km195*106 km234*106 km
radius:9750 km3287 km11924 km1951 km
mass:7414*1021 kg284*1021 kg13563*1021 kg59*1021 kg
surface gravity: 5.20 m/s2
0.53 Earths
1.75 m/s2
0.17 Earths
6.36 m/s2
0.65 Earths
1.03 m/s2
0.10 Earths
escape velocity:10.07 km/s3.396 km/s12.32 km/s2.009 km/s
year: 2036 RBJ475.1 days
509 Earth days
831 RBJ475.2 days
935 Earth days
8251 RBJ475.3 days
1719 Earth days
774 RBJ475.4 days
2260 Earth days
day:6 hrs27 hrs5 hrs70 hrs
axial tilt:17°23°12°24°
temperature:48 K
-225 C
43 K
-230 C
28 K
-245 C
1239 K
966 C
atmosphere:85% N2
12% O2
3% CO2
0% other
78% N2
19% O2
3% CO2
0% other
83% N2
17% O2
0% other
100% other
moons:430350
rings:0000

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