MDJ438: red dwarf star with 10 planets

Solar system 'MDJ438' comprises the star 'MDJ438' and the retinue of celestial objects gravitationally bound to it: 10 planets and their 200 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDJ438', a red dwarf class star that contains about 99.98% of the system's known mass and dominates it gravitationally. MDJ438 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 10 planets

	MDJ438.1 is a small terrestrial planet (3839 km radius) which orbits its star in 3 Earth days, one day on MDJ438.1 lasts 26 Earth hours. Its average temperature is 1287 K (1014 C), its atmosphere mainly consists of nitrogen and it has 0 moons.
	MDJ438.2 is a medium terrestrial planet (5430 km radius) which orbits its star in 104 Earth days, one day on MDJ438.2 lasts 18 Earth hours. Its average temperature is 855 K (582 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.
	MDJ438.3 is a large terrestrial planet (8055 km radius) which orbits its star in 556 Earth days, one day on MDJ438.3 lasts 13 Earth hours. Its average temperature is 137 K (-136 C), its atmosphere mainly consists of nitrogen, oxygen and it has 21 moons.
	MDJ438.4 is a small terrestrial planet (4071 km radius) which orbits its star in 1022 Earth days, one day on MDJ438.4 lasts 25 Earth hours. Its average temperature is 81 K (-192 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 5 moons.
	MDJ438.5 is a very large terrestrial planet (11448 km radius) which orbits its star in 1879 Earth days, one day on MDJ438.5 lasts 11 Earth hours. Its average temperature is 45 K (-228 C), its atmosphere mainly consists of nitrogen, oxygen and it has 19 moons.
	MDJ438.6 is a large terrestrial planet (7093 km radius) which orbits its star in 3452 Earth days, one day on MDJ438.6 lasts 14 Earth hours. Its average temperature is 24 K (-249 C), its atmosphere mainly consists of nitrogen, oxygen and it has 20 moons.
	MDJ438.7 is a large terrestrial planet (8751 km radius) which orbits its star in 6342 Earth days, one day on MDJ438.7 lasts 13 Earth hours. Its average temperature is 12 K (-261 C), its atmosphere mainly consists of nitrogen, oxygen and it has 26 moons.
	MDJ438.8 is a very large terrestrial planet (9501 km radius) which orbits its star in 11651 Earth days, one day on MDJ438.8 lasts 12 Earth hours. Its average temperature is 6 K (-267 C), its atmosphere mainly consists of hydrogen, oxygen and it has 38 moons.
	MDJ438.9 is a small terrestrial planet (4779 km radius) which orbits its star in 15316 Earth days, one day on MDJ438.9 lasts 20 Earth hours. Its average temperature is 1278 K (1005 C), its atmosphere mainly consists of and it has 37 moons.
	MDJ438.10 is a large terrestrial planet (7810 km radius) which orbits its star in 20134 Earth days, one day on MDJ438.10 lasts 14 Earth hours. Its average temperature is 1194 K (921 C), its atmosphere mainly consists of and it has 32 moons.
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Location

Planetary Orbits

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Planetary Statistics

planet:	MDJ438.1	MDJ438.2	MDJ438.3	MDJ438.4	MDJ438.5
distance from star:	3*10⁶ km	30*10⁶ km	91*10⁶ km	137*10⁶ km	206*10⁶ km
radius:	3839 km	5430 km	8055 km	4071 km	11448 km
mass:	452*10²¹ kg	1280*10²¹ kg	4181*10²¹ kg	539*10²¹ kg	12002*10²¹ kg
surface gravity:	2.04 m/s² 0.20 Earths	2.89 m/s² 0.29 Earths	4.30 m/s² 0.43 Earths	2.17 m/s² 0.22 Earths	6.11 m/s² 0.62 Earths
escape velocity:	3.964 km/s	5.609 km/s	8.323 km/s	4.203 km/s	11.82 km/s
year:	2 MDJ438.1 days 3 Earth days	138 MDJ438.2 days 104 Earth days	1026 MDJ438.3 days 556 Earth days	981 MDJ438.4 days 1022 Earth days	4099 MDJ438.5 days 1879 Earth days
day:	26 hrs	18 hrs	13 hrs	25 hrs	11 hrs
axial tilt:	28°	26°	26°	2°	1°
temperature:	1287 K 1014 C	855 K 582 C	137 K -136 C	81 K -192 C	45 K -228 C
atmosphere:	87% N2 4% O2 9% CO2 0% other	86% N2 13% O2 1% CO2 0% other	1% H2 2% He 60% N2 37% O2 0% other	11% H2 2% He 50% N2 35% O2 2% CO2 0% other	84% N2 16% O2 0% other
moons:	0	2	21	5	19
rings:	0	0	0	0	0

planet:	MDJ438.6	MDJ438.7	MDJ438.8	MDJ438.9	MDJ438.10
distance from star:	310*10⁶ km	465*10⁶ km	698*10⁶ km	838*10⁶ km	1005*10⁶ km
radius:	7093 km	8751 km	9501 km	4779 km	7810 km
mass:	2854*10²¹ kg	5361*10²¹ kg	6861*10²¹ kg	873*10²¹ kg	3811*10²¹ kg
surface gravity:	3.78 m/s² 0.38 Earths	4.67 m/s² 0.47 Earths	5.07 m/s² 0.51 Earths	2.55 m/s² 0.26 Earths	4.17 m/s² 0.42 Earths
escape velocity:	7.328 km/s	9.042 km/s	9.818 km/s	4.938 km/s	8.070 km/s
year:	5917 MDJ438.6 days 3452 Earth days	11708 MDJ438.7 days 6342 Earth days	23302 MDJ438.8 days 11651 Earth days	18379 MDJ438.9 days 15316 Earth days	34515 MDJ438.10 days 20134 Earth days
day:	14 hrs	13 hrs	12 hrs	20 hrs	14 hrs
axial tilt:	315°	15°	18°	27°	27°
temperature:	24 K -249 C	12 K -261 C	6 K -267 C	1278 K 1005 C	1194 K 921 C
atmosphere:	8% H2 2% He 50% N2 38% O2 2% CO2 0% other	80% N2 18% O2 2% CO2 0% other	37% H2 4% He 10% N2 48% O2 1% CO2 0% other	100% other	100% other
moons:	20	26	38	37	32
rings:	0	3	0	0	9

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