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NHF438: red dwarf star with 6 planets

  NHF438.1   NHF438.2   NHF438.3  
NHF438.4
 
NHF438.5
  NHF438.6  

Solar system 'NHF438' comprises the star 'NHF438' and the retinue of celestial objects gravitationally bound to it: 6 planets and their 446 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'NHF438', a red dwarf class star that contains about 97.96% of the system's known mass and dominates it gravitationally. NHF438 is located more than 3261 lightyears from the center of the galaxy.

This solar system comprises 6 planets

NHF438.1 is a very large terrestrial planet (9398 km radius) which orbits its star in 7 Earth days, one day on NHF438.1 lasts 8 Earth hours. Its average temperature is 1954 K (1681 C), its atmosphere mainly consists of nitrogen and it has 2 moons.
NHF438.2 is a large terrestrial planet (8674 km radius) which orbits its star in 267 Earth days, one day on NHF438.2 lasts 9 Earth hours. Its average temperature is 142 K (-131 C), its atmosphere mainly consists of nitrogen, oxygen and it has 4 moons.
NHF438.3 is a small terrestrial planet (4033 km radius) which orbits its star in 490 Earth days, one day on NHF438.3 lasts 21 Earth hours. Its average temperature is 94 K (-179 C), its atmosphere mainly consists of nitrogen, oxygen and it has 1 moons.
NHF438.4 is a massive terrestrial planet (17909 km radius) which orbits its star in 3366 Earth days, one day on NHF438.4 lasts 6 Earth hours. Its average temperature is 1347 K (1074 C), its atmosphere mainly consists of hydrogen, helium and it has 144 moons.
NHF438.5 is a large gas giant (69943 km radius) which orbits its star in 42649 Earth days, one day on NHF438.5 lasts 6 Earth hours. Its average temperature is 1891 K (1618 C), its atmosphere mainly consists of hydrogen and it has 133 moons.
NHF438.6 is a large gas giant (58047 km radius) which orbits its star in 81732 Earth days, one day on NHF438.6 lasts 6 Earth hours. Its average temperature is 1318 K (1045 C), its atmosphere mainly consists of hydrogen, helium and it has 162 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:NHF438.1NHF438.2NHF438.3NHF438.4NHF438.5
distance from star:5*106 km56*106 km84*106 km305*106 km1658*106 km
radius:9398 km8674 km4033 km17909 km69943 km
mass:6640*1021 kg5220*1021 kg524*1021 kg45951*1021 kg2737302*1021 kg
surface gravity: 5.01 m/s2
0.51 Earths
4.63 m/s2
0.47 Earths
2.15 m/s2
0.21 Earths
9.56 m/s2
0.97 Earths
37.3 m/s2
3.81 Earths
escape velocity:9.711 km/s8.962 km/s4.164 km/s18.50 km/s72.27 km/s
year: 21 NHF438.1 days
7 Earth days
712 NHF438.2 days
267 Earth days
560 NHF438.3 days
490 Earth days
13464 NHF438.4 days
3366 Earth days
170596 NHF438.5 days
42649 Earth days
day:8 hrs9 hrs21 hrs6 hrs6 hrs
axial tilt:11°18°
temperature:1954 K
1681 C
142 K
-131 C
94 K
-179 C
1347 K
1074 C
1891 K
1618 C
atmosphere:87% N2
10% O2
3% CO2
0% other
85% N2
11% O2
4% CO2
0% other
3% H2
1% He
72% N2
20% O2
4% CO2
0% other
87% H2
13% He
0% other
95% H2
5% He
0% other
moons:241144133
rings:0002219

planet:NHF438.6
distance from star:2559*106 km
radius:58047 km
mass:1564693*1021 kg
surface gravity: 30.9 m/s2
3.15 Earths
escape velocity:59.98 km/s
year: 326928 NHF438.6 days
81732 Earth days
day:6 hrs
axial tilt:
temperature:1318 K
1045 C
atmosphere:79% H2
21% He
0% other
moons:162
rings:0

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