MDF417: yellow dwarf star with 5 planets

Solar system 'MDF417' comprises the star 'MDF417' and the retinue of celestial objects gravitationally bound to it: 5 planets and their 59 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MDF417', a yellow dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. MDF417 is located more than 2819 lightyears from the center of the galaxy.

This solar system comprises 5 planets

	MDF417.1 is a small terrestrial planet (3411 km radius) which orbits its star in 49 Earth days, one day on MDF417.1 lasts 26 Earth hours. Its average temperature is 1762 K (1489 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
	MDF417.2 is a small terrestrial planet (4498 km radius) which orbits its star in 288 Earth days, one day on MDF417.2 lasts 17 Earth hours. Its average temperature is 670 K (397 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.
	MDF417.3 is a large terrestrial planet (7901 km radius) which orbits its star in 985 Earth days, one day on MDF417.3 lasts 9 Earth hours. Its average temperature is 195 K (-78 C), its atmosphere mainly consists of nitrogen, oxygen and it has 6 moons.
	MDF417.4 is a massive terrestrial planet (15322 km radius) which orbits its star in 4384 Earth days, one day on MDF417.4 lasts 6 Earth hours. Its average temperature is 1265 K (992 C), its atmosphere mainly consists of hydrogen, helium and it has 48 moons.
	MDF417.5 is a medium terrestrial planet (5628 km radius) which orbits its star in 5763 Earth days, one day on MDF417.5 lasts 12 Earth hours. Its average temperature is 1549 K (1276 C), its atmosphere mainly consists of and it has 5 moons.
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Location

Planetary Orbits

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Planetary Statistics

planet:	MDF417.1	MDF417.2	MDF417.3	MDF417.4	MDF417.5
distance from star:	18*10⁶ km	59*10⁶ km	134*10⁶ km	364*10⁶ km	436*10⁶ km
radius:	3411 km	4498 km	7901 km	15322 km	5628 km
mass:	317*10²¹ kg	728*10²¹ kg	3945*10²¹ kg	28776*10²¹ kg	1426*10²¹ kg
surface gravity:	1.81 m/s² 0.18 Earths	2.40 m/s² 0.24 Earths	4.21 m/s² 0.43 Earths	8.18 m/s² 0.83 Earths	3.00 m/s² 0.30 Earths
escape velocity:	3.522 km/s	4.648 km/s	8.163 km/s	15.83 km/s	5.815 km/s
year:	45 MDF417.1 days 49 Earth days	406 MDF417.2 days 288 Earth days	2626 MDF417.3 days 985 Earth days	17536 MDF417.4 days 4384 Earth days	11526 MDF417.5 days 5763 Earth days
day:	26 hrs	17 hrs	9 hrs	6 hrs	12 hrs
axial tilt:	11°	9°	13°	2°	28°
temperature:	1762 K 1489 C	670 K 397 C	195 K -78 C	1265 K 992 C	1549 K 1276 C
atmosphere:	82% N2 11% O2 7% CO2 0% other	5% H2 2% He 48% N2 44% O2 1% CO2 0% other	7% H2 2% He 45% N2 46% O2 0% other	76% H2 24% He 0% other	100% other
moons:	0	0	6	48	5
rings:	0	0	0	6	0

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