🌌 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: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.5

Radius: 9.1

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.55 AU - 0.89 AU

Year: 388 Days

Day: 11.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,634,723 km

• M1: 114,143 km (0.084 R)
• M2: 422,016 km (0.104 R)
• M3: 780,452 km (0.095 R)
• M4: 1,210,247 km (0.097 R)
• M5: 2,207,616 km (0.103 R)
• M6: 2,508,457 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.8

Radius: 12.2

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.93 AU - 1.21 AU

Year: 704 Days

Day: 10.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 101.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,634,723 km

• M1: 151,692 km (0.067 R)
• M2: 555,158 km (0.105 R)
• M3: 983,456 km (0.081 R)
• M4: 1,595,012 km (0.05 R)
• M5: 3,102,809 km (0.089 R)
• M6: 3,783,480 km (0.073 R)
• M7: 4,204,897 km (0.047 R)
• M8: 4,690,192 km (0.109 R)
• M9: 5,074,210 km (0.074 R)
• M10: 6,021,165 km (0.083 R)
• M11: 6,415,355 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.2

Radius: 10.6

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.46 AU - 4.38 AU

Year: 4935 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,634,723 km

• M1: 131,796 km (0.074 R)
• M2: 475,721 km (0.115 R)
• M3: 815,907 km (0.083 R)
• M4: 1,267,393 km (0.073 R)
• M5: 2,006,107 km (0.032 R)
• M6: 3,239,841 km (0.044 R)
• M7: 3,605,159 km (0.095 R)
• M8: 3,952,974 km (0.118 R)
• M9: 4,818,847 km (0.11 R)
• M10: 6,441,984 km (0.102 R)
• M11: 18,410,412 km (0.12 R)
• M12: 23,240,777 km (0.119 R)
• M13: 26,756,327 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.4

Radius: 13.5

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.46 AU - 6.38 AU

Year: 9158 Days

Day: 10.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,634,723 km

• M1: 167,849 km (0.102 R)
• M2: 613,501 km (0.108 R)
• M3: 1,556,715 km (0.079 R)
• M4: 2,042,460 km (0.066 R)
• M5: 3,431,027 km (0.11 R)
• M6: 4,129,500 km (0.118 R)
• M7: 4,965,453 km (0.092 R)
• M8: 6,243,617 km (0.115 R)
• M9: 6,918,154 km (0.106 R)
• M10: 7,551,401 km (0.118 R)
• M11: 9,442,767 km (0.031 R)
• M12: 10,969,563 km (0.027 R)
• M13: 12,655,381 km (0.099 R)
• M14: 13,384,671 km (0.105 R)
• M15: 14,646,978 km (0.082 R)
• M16: 15,355,025 km (0.072 R)
• M17: 17,775,369 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.2

Radius: 5.7

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.56 AU - 8.18 AU

Year: 12721 Days

Day: 22.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,634,723 km

• M1: 72,405 km (0.087 R)
• M2: 296,503 km (0.111 R)
• M3: 650,003 km (0.111 R)
• M4: 1,704,668 km (0.12 R)
• M5: 2,442,784 km (0.051 R)
• M6: 3,048,805 km (0.067 R)
• M7: 3,279,634 km (0.071 R)
• M8: 3,961,501 km (0.103 R)
• M9: 4,613,449 km (0.1 R)
• M10: 6,571,685 km (0.084 R)
• M11: 6,762,871 km (0.078 R)
• M12: 8,032,508 km (0.069 R)
• M13: 8,339,782 km (0.097 R)
• M14: 8,609,507 km (0.086 R)
• M15: 12,430,685 km (0.066 R)
• M16: 22,396,896 km (0.106 R)
• M17: 25,930,248 km (0.033 R)
• M18: 31,411,364 km (0.089 R)
• M19: 42,973,036 km (0.078 R)
• M20: 45,832,300 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.3

Radius: 5.2

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.8 AU - 9.08 AU

Year: 14225 Days

Day: 17.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,634,723 km

• M1: 124,017 km (0.12 R)
• M2: 753,973 km (0.096 R)
• M3: 1,062,893 km (0.066 R)
• M4: 1,324,390 km (0.051 R)
• M5: 3,770,315 km (0.081 R)
• M6: 4,694,980 km (0.119 R)
• M7: 7,782,829 km (0.11 R)
• M8: 9,139,682 km (0.098 R)
• M9: 9,697,832 km (0.047 R)
• M10: 12,312,354 km (0.108 R)
• M11: 17,284,688 km (0.034 R)
• M12: 27,453,304 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.5

Radius: 5.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.7 AU - 11.52 AU

Year: 20439 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,634,723 km

• M1: 68,366 km (0.102 R)
• M2: 251,624 km (0.103 R)
• M3: 540,497 km (0.105 R)
• M4: 797,656 km (0.044 R)
• M5: 1,533,677 km (0.095 R)
• M6: 2,212,104 km (0.082 R)
• M7: 2,792,244 km (0.081 R)
• M8: 3,301,625 km (0.079 R)
• M9: 4,165,553 km (0.117 R)
• M10: 5,730,047 km (0.109 R)
• M11: 6,112,868 km (0.103 R)
• M12: 7,526,119 km (0.111 R)
• M13: 9,379,188 km (0.106 R)
• M14: 10,009,444 km (0.077 R)
• M15: 11,680,452 km (0.12 R)
• M16: 13,711,842 km (0.026 R)
• M17: 14,020,013 km (0.077 R)
• M18: 14,522,662 km (0.108 R)
• M19: 19,138,355 km (0.115 R)
• M20: 23,838,570 km (0.083 R)
• M21: 25,376,436 km (0.113 R)
• M22: 31,120,546 km (0.111 R)
• M23: 31,546,002 km (0.085 R)
• M24: 32,955,214 km (0.096 R)
• M25: 33,175,572 km (0.085 R)
• M26: 34,292,769 km (0.105 R)
• M27: 36,249,060 km (0.106 R)
• M28: 44,013,938 km (0.082 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 19,020 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit