🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.2

Radius: 8.8

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.67 AU - 1.01 AU

Year: 531 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,680,788 km

• M1: 109,506 km (0.12 R)
• M2: 436,227 km (0.068 R)
• M3: 1,018,014 km (0.103 R)
• M4: 2,010,296 km (0.049 R)
• M5: 2,353,175 km (0.088 R)
• M6: 2,724,028 km (0.085 R)
• M7: 3,757,300 km (0.097 R)
• M8: 4,106,162 km (0.047 R)
• M9: 4,693,484 km (0.094 R)
• M10: 5,615,605 km (0.111 R)
• M11: 6,693,757 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.2

Radius: 9

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.96 AU - 1.2 AU

Year: 775 Days

Day: 9.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,680,788 km

• M1: 113,545 km (0.095 R)
• M2: 419,323 km (0.109 R)
• M3: 756,516 km (0.075 R)
• M4: 1,670,559 km (0.101 R)
• M5: 2,334,774 km (0.072 R)
• M6: 2,798,527 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.9

Radius: 8.4

Gravity: 14.06 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.12 AU - 1.48 AU

Year: 1023 Days

Day: 5.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,680,788 km

• M1: 104,569 km (0.099 R)
• M2: 431,590 km (0.038 R)
• M3: 1,019,809 km (0.102 R)
• M4: 1,404,874 km (0.106 R)
• M5: 1,855,014 km (0.095 R)
• M6: 2,147,328 km (0.116 R)
• M7: 2,446,374 km (0.099 R)
• M8: 3,363,409 km (0.1 R)
• M9: 4,622,425 km (0.068 R)
• M10: 4,907,857 km (0.08 R)
• M11: 6,057,068 km (0.079 R)
• M12: 6,730,857 km (0.109 R)
• M13: 7,123,402 km (0.115 R)
• M14: 9,440,673 km (0.087 R)
• M15: 11,002,475 km (0.06 R)
• M16: 11,547,908 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.8

Radius: 14

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.16 AU - 1.7 AU

Year: 1180 Days

Day: 14.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,680,788 km

• M1: 174,730 km (0.11 R)
• M2: 644,617 km (0.105 R)
• M3: 1,197,531 km (0.095 R)
• M4: 2,122,495 km (0.027 R)
• M5: 2,931,520 km (0.118 R)
• M6: 3,543,974 km (0.037 R)
• M7: 4,223,597 km (0.081 R)
• M8: 4,668,501 km (0.094 R)
• M9: 5,997,079 km (0.09 R)
• M10: 6,655,310 km (0.083 R)
• M11: 7,336,130 km (0.12 R)
• M12: 9,067,875 km (0.088 R)
• M13: 10,375,660 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.6

Radius: 13.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.38 AU - 2.2 AU

Year: 1653 Days

Day: 8.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,680,788 km

• M1: 167,849 km (0.091 R)
• M2: 760,256 km (0.093 R)
• M3: 1,314,516 km (0.104 R)
• M4: 1,868,777 km (0.049 R)
• M5: 2,331,483 km (0.108 R)
• M6: 2,915,064 km (0.097 R)
• M7: 3,527,667 km (0.111 R)
• M8: 4,885,567 km (0.12 R)
• M9: 5,385,972 km (0.083 R)
• M10: 6,188,714 km (0.11 R)
• M11: 6,671,167 km (0.099 R)
• M12: 7,206,129 km (0.072 R)
• M13: 8,211,577 km (0.101 R)
• M14: 8,826,873 km (0.073 R)
• M15: 9,605,679 km (0.083 R)
• M16: 10,500,723 km (0.051 R)
• M17: 11,078,620 km (0.07 R)
• M18: 13,353,704 km (0.113 R)
• M19: 15,367,890 km (0.031 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.3

Radius: 13.3

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.61 AU - 4.67 AU

Year: 5814 Days

Day: 9.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 108 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,680,788 km

• M1: 166,802 km (0.092 R)
• M2: 964,308 km (0.079 R)
• M3: 1,499,270 km (0.099 R)
• M4: 1,950,906 km (0.074 R)
• M5: 2,602,405 km (0.119 R)
• M6: 3,627,748 km (0.109 R)
• M7: 5,282,301 km (0.062 R)
• M8: 7,394,174 km (0.114 R)
• M9: 9,550,328 km (0.088 R)
• M10: 10,793,935 km (0.034 R)
• M11: 11,260,232 km (0.08 R)
• M12: 12,928,697 km (0.05 R)
• M13: 14,347,333 km (0.034 R)
• M14: 16,807,171 km (0.088 R)
• M15: 17,842,239 km (0.078 R)
• M16: 19,041,565 km (0.049 R)
• M17: 19,661,199 km (0.114 R)
• M18: 21,467,594 km (0.104 R)
• M19: 22,003,453 km (0.064 R)
• M20: 23,382,297 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.9

Radius: 5.8

Gravity: 25.18 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.18 AU - 6.76 AU

Year: 10069 Days

Day: 21.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,680,788 km

• M1: 73,453 km (0.113 R)
• M2: 264,339 km (0.057 R)
• M3: 724,951 km (0.119 R)
• M4: 1,266,795 km (0.062 R)
• M5: 1,550,881 km (0.119 R)
• M6: 1,977,833 km (0.079 R)
• M7: 2,342,254 km (0.088 R)
• M8: 3,109,990 km (0.11 R)
• M9: 3,399,911 km (0.112 R)
• M10: 4,061,881 km (0.057 R)
• M11: 4,438,419 km (0.049 R)
• M12: 5,815,318 km (0.119 R)
• M13: 6,293,732 km (0.1 R)
• M14: 6,958,395 km (0.099 R)
• M15: 8,847,218 km (0.112 R)
• M16: 10,404,233 km (0.105 R)
• M17: 11,444,088 km (0.1 R)
• M18: 15,317,775 km (0.101 R)
• M19: 21,757,514 km (0.098 R)
• M20: 23,177,198 km (0.104 R)
• M21: 30,117,791 km (0.1 R)
• M22: 38,834,859 km (0.096 R)
• M23: 41,050,553 km (0.086 R)
• M24: 41,450,129 km (0.077 R)
• M25: 46,305,328 km (0.08 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 15,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit