🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.94 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.5

Radius: 9.6

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.44 AU - 4.3 AU

Year: 3300 Days

Day: 9.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,883,740 km

• M1: 119,379 km (0.115 R)
• M2: 427,102 km (0.087 R)
• M3: 905,815 km (0.07 R)
• M4: 1,239,269 km (0.072 R)
• M5: 2,128,628 km (0.069 R)
• M6: 2,475,097 km (0.101 R)
• M7: 2,845,052 km (0.095 R)
• M8: 3,510,912 km (0.089 R)
• M9: 4,089,557 km (0.09 R)
• M10: 4,529,674 km (0.083 R)
• M11: 5,064,935 km (0.06 R)
• M12: 6,188,116 km (0.08 R)
• M13: 6,691,513 km (0.106 R)
• M14: 7,609,894 km (0.115 R)
• M15: 8,128,849 km (0.074 R)
• M16: 8,487,884 km (0.058 R)
• M17: 11,791,454 km (0.113 R)
• M18: 12,135,978 km (0.058 R)
• M19: 13,456,628 km (0.071 R)
• M20: 14,388,772 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.3

Radius: 10.5

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.34 AU - 4.52 AU

Year: 3377 Days

Day: 14.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,883,740 km

• M1: 131,048 km (0.088 R)
• M2: 616,942 km (0.09 R)
• M3: 1,018,462 km (0.03 R)
• M4: 1,409,960 km (0.096 R)
• M5: 1,867,729 km (0.108 R)
• M6: 2,301,264 km (0.046 R)
• M7: 2,680,943 km (0.087 R)
• M8: 3,866,207 km (0.068 R)
• M9: 4,861,332 km (0.086 R)
• M10: 5,275,868 km (0.118 R)
• M11: 6,282,063 km (0.07 R)
• M12: 6,944,632 km (0.113 R)
• M13: 7,293,046 km (0.096 R)
• M14: 7,683,496 km (0.091 R)
• M15: 9,248,440 km (0.063 R)
• M16: 9,706,658 km (0.117 R)
• M17: 11,054,983 km (0.105 R)
• M18: 12,481,698 km (0.09 R)
• M19: 13,981,716 km (0.084 R)
• M20: 14,918,348 km (0.065 R)
• M21: 15,647,937 km (0.081 R)
• M22: 16,864,467 km (0.098 R)
• M23: 17,336,448 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.2

Radius: 10.7

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.86 AU - 4.1 AU

Year: 3442 Days

Day: 7.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,883,740 km

• M1: 134,040 km (0.108 R)
• M2: 527,482 km (0.036 R)
• M3: 1,193,791 km (0.119 R)
• M4: 1,714,990 km (0.1 R)
• M5: 2,938,701 km (0.092 R)
• M6: 3,288,909 km (0.101 R)
• M7: 4,042,284 km (0.087 R)
• M8: 4,408,500 km (0.037 R)
• M9: 5,745,306 km (0.115 R)
• M10: 6,429,118 km (0.108 R)
• M11: 7,142,550 km (0.059 R)
• M12: 8,036,398 km (0.098 R)
• M13: 8,537,401 km (0.079 R)

Asteroid Belt

Center: 4.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 8.8

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.11 AU - 6.81 AU

Year: 5530 Days

Day: 13.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,883,740 km

• M1: 115,490 km (0.098 R)
• M2: 453,730 km (0.117 R)
• M3: 1,119,740 km (0.118 R)
• M4: 1,790,836 km (0.03 R)
• M5: 3,099,967 km (0.086 R)
• M6: 5,379,839 km (0.071 R)
• M7: 6,701,685 km (0.077 R)
• M8: 7,557,684 km (0.117 R)
• M9: 7,976,558 km (0.079 R)
• M10: 8,300,737 km (0.08 R)
• M11: 11,766,770 km (0.1 R)
• M12: 13,059,146 km (0.044 R)
• M13: 15,089,339 km (0.076 R)
• M14: 17,501,754 km (0.1 R)
• M15: 18,610,274 km (0.038 R)
• M16: 20,493,712 km (0.053 R)
• M17: 22,572,224 km (0.064 R)
• M18: 23,441,687 km (0.08 R)
• M19: 25,479,210 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.6

Radius: 12.6

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.67 AU - 8.75 AU

Year: 10197 Days

Day: 7.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 26,883,740 km

• M1: 156,629 km (0.086 R)
• M2: 1,037,312 km (0.072 R)
• M3: 2,416,006 km (0.077 R)
• M4: 3,052,545 km (0.111 R)
• M5: 4,003,239 km (0.028 R)
• M6: 4,463,252 km (0.077 R)
• M7: 4,958,571 km (0.08 R)
• M8: 5,425,915 km (0.092 R)
• M9: 5,821,003 km (0.063 R)
• M10: 6,341,903 km (0.106 R)
• M11: 6,780,972 km (0.05 R)
• M12: 7,279,432 km (0.094 R)
• M13: 7,843,716 km (0.082 R)
• M14: 8,655,882 km (0.115 R)
• M15: 11,010,254 km (0.026 R)
• M16: 12,589,708 km (0.049 R)
• M17: 17,581,340 km (0.085 R)
• M18: 18,085,335 km (0.103 R)
• M19: 20,911,239 km (0.096 R)
• M20: 21,558,998 km (0.086 R)
• M21: 25,090,704 km (0.12 R)
• M22: 30,410,405 km (0.106 R)
• M23: 32,302,967 km (0.105 R)
• M24: 32,950,876 km (0.105 R)
• M25: 37,139,915 km (0.113 R)
• M26: 37,612,944 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.4

Radius: 4.9

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 9.53 AU - 13.57 AU

Year: 17015 Days

Day: 21.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,883,740 km

• M1: 63,130 km (0.037 R)
• M2: 976,126 km (0.087 R)
• M3: 1,814,173 km (0.067 R)
• M4: 2,201,333 km (0.09 R)
• M5: 3,008,712 km (0.037 R)
• M6: 3,249,415 km (0.07 R)
• M7: 5,760,416 km (0.082 R)
• M8: 7,901,760 km (0.116 R)
• M9: 9,607,923 km (0.108 R)
• M10: 11,597,874 km (0.084 R)
• M11: 11,757,495 km (0.114 R)
• M12: 12,689,041 km (0.072 R)
• M13: 14,329,232 km (0.089 R)
• M14: 15,583,760 km (0.119 R)
• M15: 15,974,061 km (0.093 R)
• M16: 17,183,859 km (0.049 R)
• M17: 19,408,379 km (0.08 R)
• M18: 20,318,682 km (0.07 R)
• M19: 22,142,430 km (0.075 R)
• M20: 29,629,354 km (0.114 R)
• M21: 34,756,672 km (0.082 R)
• M22: 36,209,865 km (0.117 R)
• M23: 38,760,659 km (0.109 R)
• M24: 41,057,884 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.2

Radius: 6.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 12.69 AU - 14.29 AU

Year: 21477 Days

Day: 23.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,883,740 km

• M1: 84,224 km (0.075 R)
• M2: 367,412 km (0.086 R)
• M3: 1,428,660 km (0.102 R)
• M4: 2,025,555 km (0.103 R)
• M5: 2,318,767 km (0.092 R)
• M6: 3,700,453 km (0.095 R)
• M7: 6,377,357 km (0.073 R)
• M8: 7,613,634 km (0.065 R)
• M9: 8,963,456 km (0.092 R)
• M10: 10,811,139 km (0.063 R)
• M11: 12,034,102 km (0.114 R)
• M12: 13,856,054 km (0.055 R)
• M13: 14,115,606 km (0.081 R)
• M14: 14,968,015 km (0.116 R)
• M15: 15,685,486 km (0.04 R)
• M16: 16,252,911 km (0.043 R)
• M17: 18,976,490 km (0.099 R)
• M18: 19,425,732 km (0.039 R)
• M19: 22,414,249 km (0.101 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 13,504 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit