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RDG487: red dwarf star with 18 planets

  RDG487.1   RDG487.2   RDG487.3   RDG487.4   RDG487.5   RDG487.6   RDG487.7   RDG487.8  
RDG487.9
  RDG487.10  
RDG487.11
 
RDG487.12
 
RDG487.13
 
RDG487.14
 
RDG487.15
 
RDG487.16
  RDG487.17   RDG487.18  

Solar system 'RDG487' comprises the star 'RDG487' and the retinue of celestial objects gravitationally bound to it: 18 planets and their 991 moons, as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'RDG487', a red dwarf class star that contains about 98.71% of the system's known mass and dominates it gravitationally. RDG487 is located more than 403 lightyears from the center of the galaxy.

This solar system comprises 18 planets

RDG487.1 is a very large terrestrial planet (10240 km radius) which orbits its star in 372 Earth days, one day on RDG487.1 lasts 20 Earth hours. Its average temperature is 108 K (-165 C), its atmosphere mainly consists of nitrogen, oxygen and it has 26 moons.
RDG487.2 is a medium terrestrial planet (6173 km radius) which orbits its star in 683 Earth days, one day on RDG487.2 lasts 24 Earth hours. Its average temperature is 96 K (-177 C), its atmosphere mainly consists of nitrogen, oxygen and it has 12 moons.
RDG487.3 is a very large terrestrial planet (11478 km radius) which orbits its star in 1602 Earth days, one day on RDG487.3 lasts 19 Earth hours. Its average temperature is 46 K (-227 C), its atmosphere mainly consists of hydrogen, nitrogen, oxygen and it has 22 moons.
RDG487.4 is a small terrestrial planet (4418 km radius) which orbits its star in 2943 Earth days, one day on RDG487.4 lasts 30 Earth hours. Its average temperature is 27 K (-246 C), its atmosphere mainly consists of nitrogen, oxygen and it has 17 moons.
RDG487.5 is a large terrestrial planet (7403 km radius) which orbits its star in 5406 Earth days, one day on RDG487.5 lasts 22 Earth hours. Its average temperature is 15 K (-258 C), its atmosphere mainly consists of nitrogen, oxygen and it has 37 moons.
RDG487.6 is a small terrestrial planet (4327 km radius) which orbits its star in 9932 Earth days, one day on RDG487.6 lasts 31 Earth hours. Its average temperature is 8 K (-265 C), its atmosphere mainly consists of nitrogen and it has 5 moons.
RDG487.7 is a small terrestrial planet (4070 km radius) which orbits its star in 18247 Earth days, one day on RDG487.7 lasts 33 Earth hours. Its average temperature is 4 K (-269 C), its atmosphere mainly consists of nitrogen, oxygen and it has 7 moons.
RDG487.8 is a very large terrestrial planet (9206 km radius) which orbits its star in 33523 Earth days, one day on RDG487.8 lasts 20 Earth hours. Its average temperature is 2 K (-271 C), its atmosphere mainly consists of nitrogen, oxygen and it has 14 moons.
RDG487.9 is a very large terrestrial planet (10451 km radius) which orbits its star in 61586 Earth days, one day on RDG487.9 lasts 20 Earth hours. Its average temperature is 1 K (-272 C), its atmosphere mainly consists of nitrogen, carbon dioxide and it has 44 moons.
RDG487.10 is a small terrestrial planet (4549 km radius) which orbits its star in 113141 Earth days, one day on RDG487.10 lasts 30 Earth hours. Its average temperature is 0 K (-273 C), its atmosphere mainly consists of nitrogen and it has 18 moons.
RDG487.11 is a large terrestrial planet (8672 km radius) which orbits its star in 207854 Earth days, one day on RDG487.11 lasts 21 Earth hours. Its average temperature is 1034 K (761 C), its atmosphere mainly consists of hydrogen, helium and it has 67 moons.
RDG487.12 is a large gas giant (69324 km radius) which orbits its star in 381852 Earth days, one day on RDG487.12 lasts 18 Earth hours. Its average temperature is 1788 K (1515 C), its atmosphere mainly consists of hydrogen and it has 178 moons.
RDG487.13 is a medium gas giant (25705 km radius) which orbits its star in 701507 Earth days, one day on RDG487.13 lasts 18 Earth hours. Its average temperature is 1686 K (1413 C), its atmosphere mainly consists of hydrogen and it has 138 moons.
RDG487.14 is a large gas giant (63300 km radius) which orbits its star in 1288751 Earth days, one day on RDG487.14 lasts 18 Earth hours. Its average temperature is 1152 K (879 C), its atmosphere mainly consists of hydrogen and it has 163 moons.
RDG487.15 is a large gas giant (54339 km radius) which orbits its star in 2367586 Earth days, one day on RDG487.15 lasts 18 Earth hours. Its average temperature is 1014 K (741 C), its atmosphere mainly consists of hydrogen and it has 75 moons.
RDG487.16 is a medium gas giant (34123 km radius) which orbits its star in 4349534 Earth days, one day on RDG487.16 lasts 18 Earth hours. Its average temperature is 1236 K (963 C), its atmosphere mainly consists of hydrogen, helium and it has 84 moons.
RDG487.17 is a small terrestrial planet (3690 km radius) which orbits its star in 5717611 Earth days, one day on RDG487.17 lasts 36 Earth hours. Its average temperature is 1545 K (1272 C), its atmosphere mainly consists of and it has 59 moons.
RDG487.18 is a large terrestrial planet (7815 km radius) which orbits its star in 7515996 Earth days, one day on RDG487.18 lasts 22 Earth hours. Its average temperature is 1770 K (1497 C), its atmosphere mainly consists of and it has 25 moons.
More planetary details...

Location

Planetary Orbits

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Planetary Statistics

planet:RDG487.1RDG487.2RDG487.3RDG487.4RDG487.5
distance from star:70*106 km105*106 km186*106 km279*106 km418*106 km
radius:10240 km6173 km11478 km4418 km7403 km
mass:8589*1021 kg1881*1021 kg12097*1021 kg689*1021 kg3245*1021 kg
surface gravity: 5.46 m/s2
0.55 Earths
3.29 m/s2
0.33 Earths
6.12 m/s2
0.62 Earths
2.35 m/s2
0.24 Earths
3.95 m/s2
0.40 Earths
escape velocity:10.58 km/s6.377 km/s11.86 km/s4.562 km/s7.649 km/s
year: 446 RDG487.1 days
372 Earth days
683 RDG487.2 days
683 Earth days
2023 RDG487.3 days
1602 Earth days
2354 RDG487.4 days
2943 Earth days
5897 RDG487.5 days
5406 Earth days
day:20 hrs24 hrs19 hrs30 hrs22 hrs
axial tilt:16°10°19°16°
temperature:108 K
-165 C
96 K
-177 C
46 K
-227 C
27 K
-246 C
15 K
-258 C
atmosphere:82% N2
18% O2
0% other
71% N2
27% O2
2% CO2
0% other
12% H2
3% He
42% N2
42% O2
1% CO2
0% other
85% N2
15% O2
0% other
1% H2
1% He
81% N2
16% O2
1% CO2
0% other
moons:2612221737
rings:00000

planet:RDG487.6RDG487.7RDG487.8RDG487.9RDG487.10
distance from star:627*106 km941*106 km1412*106 km2119*106 km3179*106 km
radius:4327 km4070 km9206 km10451 km4549 km
mass:648*1021 kg539*1021 kg6241*1021 kg9131*1021 kg753*1021 kg
surface gravity: 2.30 m/s2
0.23 Earths
2.17 m/s2
0.22 Earths
4.91 m/s2
0.50 Earths
5.57 m/s2
0.56 Earths
2.42 m/s2
0.24 Earths
escape velocity:4.471 km/s4.204 km/s9.512 km/s10.79 km/s4.700 km/s
year: 7689 RDG487.6 days
9932 Earth days
13270 RDG487.7 days
18247 Earth days
40227 RDG487.8 days
33523 Earth days
73903 RDG487.9 days
61586 Earth days
90512 RDG487.10 days
113141 Earth days
day:31 hrs33 hrs20 hrs20 hrs30 hrs
axial tilt:19°10°25°17°
temperature:8 K
-265 C
4 K
-269 C
2 K
-271 C
1 K
-272 C
0 K
-273 C
atmosphere:87% N2
7% O2
6% CO2
0% other
2% He
73% N2
24% O2
1% CO2
0% other
1% H2
1% He
76% N2
17% O2
5% CO2
0% other
86% N2
3% O2
11% CO2
0% other
82% N2
10% O2
8% CO2
0% other
moons:57144418
rings:00050

planet:RDG487.11RDG487.12RDG487.13RDG487.14RDG487.15
distance from star:4768*106 km7152*106 km10729*106 km16094*106 km24141*106 km
radius:8672 km69324 km25705 km63300 km54339 km
mass:5217*1021 kg2665267*1021 kg135876*1021 kg2029089*1021 kg1283585*1021 kg
surface gravity: 4.63 m/s2
0.47 Earths
37.0 m/s2
3.78 Earths
13.7 m/s2
1.40 Earths
33.7 m/s2
3.44 Earths
29.0 m/s2
2.96 Earths
escape velocity:8.961 km/s71.63 km/s26.56 km/s65.41 km/s56.15 km/s
year: 237547 RDG487.11 days
207854 Earth days
509136 RDG487.12 days
381852 Earth days
935342 RDG487.13 days
701507 Earth days
1718334 RDG487.14 days
1288751 Earth days
3156781 RDG487.15 days
2367586 Earth days
day:21 hrs18 hrs18 hrs18 hrs18 hrs
axial tilt:81°38°
temperature:1034 K
761 C
1788 K
1515 C
1686 K
1413 C
1152 K
879 C
1014 K
741 C
atmosphere:85% H2
15% He
0% other
94% H2
6% He
0% other
94% H2
6% He
0% other
99% H2
1% He
0% other
98% H2
2% He
0% other
moons:6717813816375
rings:102441921

planet:RDG487.16RDG487.17RDG487.18
distance from star:36212*106 km43454*106 km52145*106 km
radius:34123 km3690 km7815 km
mass:317856*1021 kg401*1021 kg3818*1021 kg
surface gravity: 18.2 m/s2
1.86 Earths
1.96 m/s2
0.20 Earths
4.17 m/s2
0.42 Earths
escape velocity:35.26 km/s3.808 km/s8.075 km/s
year: 5799378 RDG487.16 days
4349534 Earth days
3811740 RDG487.17 days
5717611 Earth days
8199268 RDG487.18 days
7515996 Earth days
day:18 hrs36 hrs22 hrs
axial tilt:168°
temperature:1236 K
963 C
1545 K
1272 C
1770 K
1497 C
atmosphere:84% H2
16% He
0% other
100% other100% other
moons:845925
rings:1800

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