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MJB489: red dwarf star with 2 planets

  MJB489.1   MJB489.2  

Solar system 'MJB489' comprises the star 'MJB489' and the retinue of celestial objects gravitationally bound to it: 2 planets and their 2 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'MJB489', a red dwarf class star that contains about 99.99% of the system's known mass and dominates it gravitationally. MJB489 is located more than 3885 lightyears from the center of the galaxy.

This solar system comprises 2 planets

MJB489.1 is a small terrestrial planet (4733 km radius) which orbits its star in 97 Earth days, one day on MJB489.1 lasts 13 Earth hours. Its average temperature is 721 K (448 C), its atmosphere mainly consists of nitrogen and it has 1 moons.
MJB489.2 is a large terrestrial planet (7005 km radius) which orbits its star in 421 Earth days, one day on MJB489.2 lasts 7 Earth hours. Its average temperature is 206 K (-67 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
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Planetary Orbits

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Planetary Statistics

planet:MJB489.1MJB489.2
distance from star:28*106 km76*106 km
radius:4733 km7005 km
mass:848*1021 kg2749*1021 kg
surface gravity: 2.52 m/s2
0.25 Earths
3.73 m/s2
0.38 Earths
escape velocity:4.890 km/s7.237 km/s
year: 179 MJB489.1 days
97 Earth days
1443 MJB489.2 days
421 Earth days
day:13 hrs7 hrs
axial tilt:127°20°
temperature:721 K
448 C
206 K
-67 C
atmosphere:90% N2
8% O2
2% CO2
0% other
79% N2
16% O2
5% CO2
0% other
moons:11
rings:00

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