🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 9.4

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.66 AU - 0.76 AU

Year: 380 Days

Day: 11.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,502,021 km

• M1: 117,135 km (0.089 R)
• M2: 427,850 km (0.056 R)
• M3: 758,012 km (0.112 R)
• M4: 1,217,876 km (0.097 R)
• M5: 1,682,527 km (0.09 R)
• M6: 2,191,010 km (0.056 R)
• M7: 2,486,915 km (0.05 R)
• M8: 2,873,326 km (0.109 R)
• M9: 3,183,443 km (0.074 R)
• M10: 3,515,999 km (0.118 R)
• M11: 3,991,122 km (0.087 R)
• M12: 4,364,368 km (0.064 R)
• M13: 5,626,675 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.3

Radius: 11.1

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.86 AU - 2.3 AU

Year: 1907 Days

Day: 14.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,502,021 km

• M1: 138,079 km (0.099 R)
• M2: 663,915 km (0.057 R)
• M3: 1,238,072 km (0.068 R)
• M4: 1,674,299 km (0.114 R)
• M5: 2,125,935 km (0.11 R)
• M6: 2,864,799 km (0.118 R)
• M7: 3,464,687 km (0.066 R)
• M8: 4,107,509 km (0.069 R)
• M9: 5,752,936 km (0.067 R)
• M10: 6,128,875 km (0.095 R)
• M11: 7,014,046 km (0.062 R)
• M12: 7,443,691 km (0.076 R)
• M13: 7,830,252 km (0.101 R)
• M14: 8,419,368 km (0.102 R)
• M15: 9,897,246 km (0.027 R)
• M16: 12,678,270 km (0.077 R)
• M17: 13,888,218 km (0.025 R)
• M18: 14,521,316 km (0.092 R)
• M19: 15,845,406 km (0.086 R)
• M20: 16,337,284 km (0.071 R)
• M21: 16,788,621 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.9

Radius: 9.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.38 AU - 2.96 AU

Year: 2774 Days

Day: 7.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,502,021 km

• M1: 113,545 km (0.102 R)
• M2: 553,213 km (0.104 R)
• M3: 901,028 km (0.085 R)
• M4: 1,692,550 km (0.116 R)
• M5: 2,108,881 km (0.097 R)
• M6: 2,566,950 km (0.104 R)
• M7: 3,362,063 km (0.114 R)
• M8: 4,751,378 km (0.094 R)
• M9: 7,541,229 km (0.069 R)
• M10: 9,882,735 km (0.061 R)
• M11: 10,309,836 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509

Radius: 12.5

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.93 AU - 5.59 AU

Year: 6603 Days

Day: 10.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,502,021 km

• M1: 155,432 km (0.05 R)
• M2: 643,271 km (0.114 R)
• M3: 1,709,754 km (0.116 R)
• M4: 2,299,918 km (0.1 R)
• M5: 2,724,327 km (0.084 R)
• M6: 3,303,271 km (0.042 R)
• M7: 3,733,963 km (0.104 R)
• M8: 4,579,041 km (0.063 R)
• M9: 5,372,359 km (0.087 R)
• M10: 7,232,758 km (0.109 R)
• M11: 7,739,895 km (0.032 R)
• M12: 8,270,518 km (0.108 R)
• M13: 10,187,615 km (0.048 R)
• M14: 12,590,007 km (0.084 R)
• M15: 13,059,595 km (0.088 R)
• M16: 22,030,530 km (0.07 R)
• M17: 22,636,701 km (0.117 R)
• M18: 24,041,425 km (0.081 R)
• M19: 26,171,998 km (0.031 R)
• M20: 27,543,960 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.1

Radius: 4.1

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.14 AU - 8.84 AU

Year: 14360 Days

Day: 16.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,502,021 km

• M1: 51,013 km (0.061 R)
• M2: 276,457 km (0.102 R)
• M3: 541,095 km (0.063 R)
• M4: 704,905 km (0.071 R)
• M5: 2,214,348 km (0.108 R)
• M6: 3,136,768 km (0.107 R)
• M7: 5,282,450 km (0.117 R)
• M8: 6,069,186 km (0.109 R)
• M9: 6,968,718 km (0.095 R)
• M10: 7,274,496 km (0.113 R)
• M11: 7,470,020 km (0.106 R)
• M12: 8,938,622 km (0.043 R)
• M13: 10,098,604 km (0.08 R)
• M14: 13,168,801 km (0.111 R)
• M15: 15,103,251 km (0.064 R)
• M16: 15,875,027 km (0.093 R)
• M17: 25,988,591 km (0.082 R)
• M18: 27,754,444 km (0.058 R)
• M19: 30,906,322 km (0.11 R)
• M20: 33,528,772 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.9

Radius: 4.1

Gravity: 28.73 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.83 AU - 12.39 AU

Year: 23545 Days

Day: 23.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,502,021 km

• M1: 62,233 km (0.1 R)
• M2: 194,776 km (0.084 R)
• M3: 371,751 km (0.027 R)
• M4: 505,790 km (0.093 R)
• M5: 854,353 km (0.103 R)
• M6: 1,030,131 km (0.068 R)
• M7: 2,938,701 km (0.102 R)
• M8: 3,512,857 km (0.096 R)
• M9: 3,872,790 km (0.092 R)
• M10: 4,424,207 km (0.118 R)
• M11: 4,700,963 km (0.05 R)
• M12: 5,641,037 km (0.092 R)
• M13: 6,133,961 km (0.036 R)
• M14: 9,653,102 km (0.055 R)
• M15: 10,118,650 km (0.095 R)
• M16: 11,540,129 km (0.055 R)
• M17: 12,535,853 km (0.119 R)
• M18: 18,207,706 km (0.116 R)
• M19: 24,408,688 km (0.069 R)
• M20: 26,153,149 km (0.104 R)
• M21: 30,132,452 km (0.08 R)
• M22: 38,681,970 km (0.068 R)
• M23: 45,252,010 km (0.041 R)
• M24: 46,715,226 km (0.113 R)
• M25: 52,527,702 km (0.091 R)
• M26: 61,329,741 km (0.081 R)
• M27: 62,320,229 km (0.104 R)
• M28: 70,847,756 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 18,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit