🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.57 AU - 0.79 AU

Year: 208 Days

Day: 12.9 Hours

Environment

Temp: 123 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 91,624,170 km

• M1: 88,861 km (0.106 R)
• M2: 377,884 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.8

Radius: 14.5

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.85 AU - 7.99 AU

Year: 6033 Days

Day: 10.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,624,170 km

• M1: 180,415 km (0.035 R)
• M2: 661,522 km (0.068 R)
• M3: 1,131,409 km (0.034 R)
• M4: 1,837,062 km (0.048 R)
• M5: 2,345,545 km (0.059 R)
• M6: 3,155,917 km (0.065 R)
• M7: 3,727,680 km (0.117 R)
• M8: 4,430,042 km (0.09 R)
• M9: 6,231,200 km (0.09 R)
• M10: 7,195,059 km (0.093 R)
• M11: 8,004,832 km (0.077 R)
• M12: 10,095,164 km (0.086 R)
• M13: 11,227,919 km (0.11 R)
• M14: 12,697,269 km (0.079 R)
• M15: 13,346,075 km (0.057 R)
• M16: 15,089,189 km (0.086 R)
• M17: 18,143,978 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.8

Radius: 9.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 8.38 AU - 13.76 AU

Year: 13659 Days

Day: 5.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,624,170 km

• M1: 120,277 km (0.103 R)
• M2: 725,849 km (0.039 R)
• M3: 1,224,459 km (0.072 R)
• M4: 2,876,318 km (0.069 R)
• M5: 3,306,412 km (0.106 R)
• M6: 4,110,949 km (0.106 R)
• M7: 4,783,392 km (0.104 R)
• M8: 6,689,418 km (0.102 R)
• M9: 7,144,046 km (0.113 R)
• M10: 7,584,612 km (0.114 R)
• M11: 8,861,131 km (0.1 R)
• M12: 9,981,320 km (0.098 R)
• M13: 12,307,716 km (0.104 R)
• M14: 16,325,466 km (0.111 R)
• M15: 18,314,220 km (0.095 R)
• M16: 19,204,926 km (0.082 R)
• M17: 23,721,734 km (0.102 R)
• M18: 26,265,347 km (0.117 R)
• M19: 26,908,319 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.7

Radius: 6.8

Gravity: 17.66 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 13.36 AU - 19.06 AU

Year: 24204 Days

Day: 24.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 91,624,170 km

• M1: 84,672 km (0.111 R)
• M2: 488,287 km (0.091 R)
• M3: 1,113,457 km (0.068 R)
• M4: 1,397,992 km (0.108 R)
• M5: 3,344,410 km (0.114 R)
• M6: 3,810,856 km (0.101 R)
• M7: 7,311,895 km (0.058 R)
• M8: 8,821,487 km (0.07 R)
• M9: 10,788,250 km (0.059 R)
• M10: 16,507,377 km (0.091 R)
• M11: 19,366,940 km (0.084 R)
• M12: 25,339,785 km (0.111 R)
• M13: 28,237,346 km (0.086 R)
• M14: 28,867,602 km (0.075 R)
• M15: 31,348,234 km (0.102 R)
• M16: 33,544,630 km (0.063 R)
• M17: 35,548,942 km (0.099 R)
• M18: 36,283,617 km (0.085 R)
• M19: 42,694,784 km (0.047 R)
• M20: 45,560,780 km (0.057 R)
• M21: 53,953,818 km (0.087 R)
• M22: 54,534,408 km (0.085 R)
• M23: 65,053,232 km (0.082 R)
• M24: 72,533,874 km (0.105 R)
• M25: 89,986,261 km (0.108 R)
• M26: 90,802,766 km (0.069 R)
• M27: 91,624,208 km (0.092 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 12,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit