🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.4

Radius: 10

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.57 AU - 0.63 AU

Year: 321 Days

Day: 7.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,179,722 km

• M1: 124,316 km (0.097 R)
• M2: 631,602 km (0.096 R)
• M3: 1,034,469 km (0.11 R)
• M4: 1,478,625 km (0.114 R)
• M5: 2,144,934 km (0.073 R)
• M6: 2,536,432 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.8

Radius: 8.2

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.42 AU - 6.06 AU

Year: 8280 Days

Day: 14.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,179,722 km

• M1: 102,026 km (0.098 R)
• M2: 410,945 km (0.11 R)
• M3: 673,789 km (0.086 R)
• M4: 1,262,456 km (0.092 R)
• M5: 1,779,018 km (0.086 R)
• M6: 2,308,445 km (0.104 R)
• M7: 2,761,726 km (0.104 R)
• M8: 3,208,725 km (0.085 R)
• M9: 4,378,430 km (0.066 R)
• M10: 5,192,243 km (0.11 R)
• M11: 6,544,757 km (0.116 R)
• M12: 6,826,899 km (0.071 R)
• M13: 7,568,007 km (0.106 R)
• M14: 9,297,508 km (0.109 R)
• M15: 11,940,304 km (0.045 R)
• M16: 13,976,630 km (0.066 R)
• M17: 16,042,576 km (0.037 R)
• M18: 18,096,406 km (0.028 R)
• M19: 19,583,408 km (0.118 R)
• M20: 21,457,720 km (0.091 R)
• M21: 22,160,830 km (0.096 R)
• M22: 32,647,940 km (0.111 R)
• M23: 33,577,691 km (0.108 R)
• M24: 35,598,459 km (0.066 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.2

Radius: 5.7

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.16 AU - 7.22 AU

Year: 10630 Days

Day: 20.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,179,722 km

• M1: 70,909 km (0.074 R)
• M2: 482,603 km (0.068 R)
• M3: 741,706 km (0.113 R)
• M4: 1,041,500 km (0.075 R)
• M5: 1,822,551 km (0.031 R)
• M6: 2,313,381 km (0.112 R)
• M7: 5,135,097 km (0.105 R)
• M8: 5,515,374 km (0.115 R)
• M9: 7,704,290 km (0.081 R)
• M10: 8,270,817 km (0.114 R)
• M11: 9,411,800 km (0.079 R)
• M12: 10,254,635 km (0.085 R)
• M13: 10,613,670 km (0.08 R)
• M14: 14,230,497 km (0.094 R)
• M15: 15,546,061 km (0.111 R)
• M16: 16,995,964 km (0.085 R)
• M17: 21,622,128 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674

Radius: 3.4

Gravity: 58.3 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.96 AU - 7.62 AU

Year: 10889 Days

Day: 24.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,179,722 km

• M1: 75,547 km (0.042 R)
• M2: 317,147 km (0.113 R)
• M3: 1,125,574 km (0.07 R)
• M4: 1,349,822 km (0.092 R)
• M5: 1,854,116 km (0.102 R)
• M6: 2,394,613 km (0.11 R)
• M7: 3,885,356 km (0.054 R)
• M8: 4,667,304 km (0.083 R)
• M9: 5,377,744 km (0.099 R)
• M10: 7,548,409 km (0.089 R)
• M11: 7,762,783 km (0.056 R)
• M12: 10,344,543 km (0.077 R)
• M13: 10,609,032 km (0.084 R)
• M14: 13,259,009 km (0.053 R)
• M15: 14,016,423 km (0.119 R)
• M16: 15,686,384 km (0.074 R)
• M17: 16,894,686 km (0.082 R)
• M18: 17,859,592 km (0.089 R)
• M19: 19,096,767 km (0.086 R)
• M20: 20,061,523 km (0.043 R)
• M21: 23,693,161 km (0.094 R)
• M22: 26,737,328 km (0.062 R)
• M23: 31,005,056 km (0.067 R)
• M24: 32,335,131 km (0.062 R)
• M25: 33,818,244 km (0.067 R)
• M26: 34,871,264 km (0.048 R)
• M27: 34,989,596 km (0.093 R)
• M28: 39,558,614 km (0.103 R)
• M29: 41,651,787 km (0.069 R)
• M30: 47,349,970 km (0.118 R)
• M31: 49,857,530 km (0.082 R)

Asteroid Belt

Center: 7.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.9

Radius: 4.9

Gravity: 22.49 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.46 AU - 8.5 AU

Year: 17045 Days

Day: 16.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,179,722 km

• M1: 61,036 km (0.081 R)
• M2: 799,301 km (0.104 R)
• M3: 1,119,890 km (0.096 R)
• M4: 1,799,513 km (0.113 R)
• M5: 2,932,866 km (0.119 R)
• M6: 3,362,960 km (0.066 R)
• M7: 3,747,726 km (0.087 R)
• M8: 4,703,955 km (0.092 R)
• M9: 6,164,629 km (0.079 R)
• M10: 7,173,068 km (0.085 R)
• M11: 8,141,715 km (0.11 R)
• M12: 8,632,246 km (0.104 R)
• M13: 9,511,133 km (0.062 R)
• M14: 12,376,232 km (0.105 R)
• M15: 29,555,603 km (0.1 R)
• M16: 33,604,918 km (0.025 R)
• M17: 37,739,504 km (0.061 R)
• M18: 38,279,103 km (0.077 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 13,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit