🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.8

Radius: 9.5

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.09 AU - 1.11 AU

Year: 782 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,130,894 km

• M1: 118,182 km (0.071 R)
• M2: 422,913 km (0.109 R)
• M3: 1,532,032 km (0.049 R)
• M4: 2,300,067 km (0.067 R)
• M5: 2,933,465 km (0.11 R)
• M6: 3,291,602 km (0.071 R)
• M7: 4,808,973 km (0.101 R)
• M8: 5,251,932 km (0.094 R)
• M9: 6,177,195 km (0.08 R)
• M10: 6,567,646 km (0.113 R)
• M11: 7,020,628 km (0.114 R)
• M12: 8,479,357 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911

Radius: 14.7

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.97 AU - 2.53 AU

Year: 2289 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,130,894 km

• M1: 182,809 km (0.075 R)
• M2: 2,264,014 km (0.052 R)
• M3: 3,125,249 km (0.115 R)
• M4: 3,745,033 km (0.106 R)
• M5: 5,069,273 km (0.096 R)
• M6: 5,549,632 km (0.081 R)
• M7: 6,547,001 km (0.108 R)
• M8: 7,816,339 km (0.043 R)
• M9: 8,526,480 km (0.105 R)
• M10: 10,530,045 km (0.105 R)
• M11: 11,036,882 km (0.113 R)
• M12: 12,099,775 km (0.098 R)
• M13: 19,549,749 km (0.111 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.7

Radius: 6.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.57 AU - 6.19 AU

Year: 9671 Days

Day: 18.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,130,894 km

• M1: 83,476 km (0.105 R)
• M2: 373,097 km (0.115 R)
• M3: 708,944 km (0.106 R)
• M4: 1,216,679 km (0.042 R)
• M5: 1,873,713 km (0.058 R)
• M6: 2,257,282 km (0.042 R)
• M7: 2,745,570 km (0.105 R)
• M8: 3,102,211 km (0.12 R)
• M9: 3,405,296 km (0.039 R)
• M10: 3,727,979 km (0.092 R)
• M11: 5,598,551 km (0.115 R)
• M12: 6,298,519 km (0.113 R)
• M13: 6,587,841 km (0.056 R)
• M14: 10,294,278 km (0.084 R)
• M15: 11,915,919 km (0.101 R)
• M16: 12,509,075 km (0.119 R)
• M17: 13,018,306 km (0.074 R)
• M18: 14,296,620 km (0.068 R)
• M19: 14,966,220 km (0.059 R)
• M20: 15,251,353 km (0.101 R)
• M21: 15,540,077 km (0.111 R)
• M22: 16,428,240 km (0.098 R)
• M23: 17,349,763 km (0.102 R)
• M24: 18,047,038 km (0.09 R)
• M25: 19,837,725 km (0.1 R)
• M26: 21,095,394 km (0.097 R)
• M27: 23,537,430 km (0.101 R)
• M28: 24,078,675 km (0.108 R)
• M29: 26,161,825 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.5

Radius: 7

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.92 AU - 9.62 AU

Year: 14690 Days

Day: 18.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,130,894 km

• M1: 87,216 km (0.103 R)
• M2: 516,561 km (0.051 R)
• M3: 799,900 km (0.096 R)
• M4: 2,261,022 km (0.075 R)
• M5: 4,445,899 km (0.086 R)
• M6: 5,134,498 km (0.078 R)
• M7: 5,390,011 km (0.098 R)
• M8: 6,989,362 km (0.101 R)
• M9: 7,383,702 km (0.071 R)
• M10: 9,823,195 km (0.055 R)
• M11: 11,847,852 km (0.078 R)
• M12: 14,073,270 km (0.105 R)
• M13: 15,284,265 km (0.071 R)
• M14: 18,501,068 km (0.115 R)
• M15: 18,725,315 km (0.069 R)
• M16: 19,485,871 km (0.075 R)
• M17: 20,505,380 km (0.032 R)
• M18: 20,745,485 km (0.084 R)
• M19: 21,559,896 km (0.086 R)
• M20: 23,252,147 km (0.068 R)
• M21: 23,600,859 km (0.111 R)
• M22: 26,898,744 km (0.095 R)
• M23: 28,359,119 km (0.114 R)
• M24: 41,353,190 km (0.116 R)
• M25: 43,426,915 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.1

Radius: 6.5

Gravity: 20.38 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.32 AU - 8.68 AU

Year: 16808 Days

Day: 19.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,130,894 km

• M1: 80,932 km (0.115 R)
• M2: 308,172 km (0.098 R)
• M3: 1,103,284 km (0.094 R)
• M4: 1,455,737 km (0.114 R)
• M5: 1,667,268 km (0.093 R)
• M6: 2,706,076 km (0.108 R)
• M7: 4,791,171 km (0.09 R)
• M8: 9,212,087 km (0.084 R)
• M9: 11,329,795 km (0.047 R)
• M10: 11,841,120 km (0.073 R)
• M11: 12,569,063 km (0.045 R)
• M12: 13,609,217 km (0.09 R)
• M13: 14,780,718 km (0.044 R)
• M14: 17,915,392 km (0.055 R)
• M15: 18,346,832 km (0.057 R)
• M16: 19,140,898 km (0.092 R)
• M17: 19,410,623 km (0.05 R)
• M18: 20,049,705 km (0.035 R)
• M19: 22,150,059 km (0.109 R)
• M20: 22,447,460 km (0.095 R)
• M21: 26,336,855 km (0.1 R)
• M22: 31,644,438 km (0.08 R)
• M23: 32,274,843 km (0.064 R)
• M24: 41,099,621 km (0.109 R)
• M25: 43,223,462 km (0.054 R)
• M26: 47,524,102 km (0.065 R)
• M27: 49,355,030 km (0.097 R)
• M28: 50,032,260 km (0.053 R)
• M29: 61,143,193 km (0.115 R)
• M30: 62,120,665 km (0.08 R)
• M31: 65,115,615 km (0.095 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: 480 - 16,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit