🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.5

Radius: 13.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.7 AU - 0.7 AU

Year: 384 Days

Day: 8.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,967,898 km

• M1: 169,345 km (0.032 R)
• M2: 619,186 km (0.066 R)
• M3: 1,305,241 km (0.112 R)
• M4: 1,750,145 km (0.109 R)
• M5: 2,404,487 km (0.051 R)
• M6: 2,921,946 km (0.098 R)
• M7: 3,492,063 km (0.096 R)
• M8: 4,039,143 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.6

Radius: 14.2

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.82 AU - 1.22 AU

Year: 676 Days

Day: 12.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,967,898 km

• M1: 176,525 km (0.087 R)
• M2: 641,476 km (0.072 R)
• M3: 1,365,978 km (0.044 R)
• M4: 1,824,346 km (0.056 R)
• M5: 2,287,202 km (0.072 R)
• M6: 2,965,927 km (0.104 R)
• M7: 4,409,098 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.6

Radius: 8.2

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.17 AU - 1.29 AU

Year: 895 Days

Day: 14.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,967,898 km

• M1: 102,026 km (0.077 R)
• M2: 440,865 km (0.064 R)
• M3: 829,819 km (0.088 R)
• M4: 1,091,466 km (0.111 R)
• M5: 1,746,705 km (0.068 R)
• M6: 2,011,343 km (0.052 R)
• M7: 2,503,969 km (0.092 R)
• M8: 2,901,899 km (0.079 R)
• M9: 3,922,307 km (0.102 R)
• M10: 4,198,315 km (0.073 R)
• M11: 4,678,225 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.4

Radius: 12.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.63 AU - 2.55 AU

Year: 1982 Days

Day: 8.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,967,898 km

• M1: 160,369 km (0.106 R)
• M2: 615,745 km (0.104 R)
• M3: 1,143,227 km (0.09 R)
• M4: 1,722,619 km (0.112 R)
• M5: 2,367,087 km (0.114 R)
• M6: 2,873,027 km (0.065 R)
• M7: 4,014,758 km (0.052 R)
• M8: 5,176,834 km (0.045 R)
• M9: 5,640,887 km (0.065 R)
• M10: 6,205,320 km (0.068 R)
• M11: 7,122,355 km (0.061 R)
• M12: 7,613,784 km (0.091 R)
• M13: 8,453,327 km (0.104 R)
• M14: 8,973,628 km (0.104 R)
• M15: 9,645,622 km (0.12 R)
• M16: 10,044,599 km (0.101 R)
• M17: 10,489,354 km (0.06 R)
• M18: 11,602,960 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.4

Radius: 13.7

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.66 AU - 2.6 AU

Year: 2039 Days

Day: 11.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,967,898 km

• M1: 170,841 km (0.075 R)
• M2: 743,801 km (0.107 R)
• M3: 1,745,807 km (0.074 R)
• M4: 2,236,787 km (0.098 R)
• M5: 4,163,608 km (0.11 R)
• M6: 5,407,963 km (0.112 R)
• M7: 6,141,591 km (0.074 R)
• M8: 6,571,685 km (0.111 R)
• M9: 7,075,979 km (0.031 R)
• M10: 8,073,348 km (0.113 R)
• M11: 8,905,112 km (0.098 R)
• M12: 9,929,858 km (0.116 R)
• M13: 10,595,868 km (0.107 R)
• M14: 11,978,302 km (0.116 R)
• M15: 15,236,543 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.2

Radius: 11.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.94 AU - 6.18 AU

Year: 8600 Days

Day: 11 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,967,898 km

• M1: 148,102 km (0.105 R)
• M2: 890,556 km (0.115 R)
• M3: 1,329,027 km (0.107 R)
• M4: 2,052,483 km (0.087 R)
• M5: 2,550,793 km (0.088 R)
• M6: 3,086,653 km (0.118 R)
• M7: 3,531,258 km (0.096 R)
• M8: 4,305,427 km (0.088 R)
• M9: 4,979,814 km (0.042 R)
• M10: 5,405,121 km (0.12 R)
• M11: 6,792,342 km (0.025 R)
• M12: 7,164,092 km (0.09 R)
• M13: 8,488,931 km (0.107 R)
• M14: 9,876,451 km (0.118 R)
• M15: 10,306,396 km (0.107 R)
• M16: 11,203,684 km (0.095 R)
• M17: 12,757,856 km (0.085 R)
• M18: 13,616,099 km (0.118 R)
• M19: 15,832,691 km (0.03 R)
• M20: 17,368,911 km (0.111 R)
• M21: 20,350,247 km (0.029 R)
• M22: 21,204,900 km (0.116 R)
• M23: 25,128,104 km (0.111 R)
• M24: 25,840,938 km (0.067 R)
• M25: 26,293,322 km (0.101 R)
• M26: 27,682,039 km (0.093 R)
• M27: 29,905,662 km (0.116 R)
• M28: 31,727,165 km (0.115 R)
• M29: 36,716,105 km (0.104 R)
• M30: 40,723,532 km (0.087 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 18,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit