🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.3

Radius: 12.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.86 AU - 1.2 AU

Year: 722 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,878,661 km

• M1: 160,219 km (0.079 R)
• M2: 615,595 km (0.105 R)
• M3: 1,533,977 km (0.101 R)
• M4: 1,998,777 km (0.079 R)
• M5: 2,698,596 km (0.026 R)
• M6: 3,152,027 km (0.077 R)
• M7: 4,159,270 km (0.089 R)
• M8: 4,798,950 km (0.118 R)
• M9: 5,304,740 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 9.5

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.01 AU - 1.19 AU

Year: 796 Days

Day: 11.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,878,661 km

• M1: 118,182 km (0.071 R)
• M2: 592,408 km (0.113 R)
• M3: 996,322 km (0.064 R)
• M4: 1,369,419 km (0.089 R)
• M5: 1,958,236 km (0.117 R)
• M6: 2,274,037 km (0.12 R)
• M7: 2,906,537 km (0.104 R)
• M8: 3,237,148 km (0.119 R)
• M9: 3,637,323 km (0.097 R)
• M10: 3,943,250 km (0.114 R)
• M11: 5,002,852 km (0.106 R)
• M12: 5,720,024 km (0.12 R)
• M13: 6,504,067 km (0.094 R)
• M14: 7,454,611 km (0.082 R)
• M15: 8,284,880 km (0.055 R)
• M16: 9,147,760 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.9

Radius: 13.5

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.11 AU - 4.19 AU

Year: 5836 Days

Day: 9.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,878,661 km

• M1: 167,849 km (0.095 R)
• M2: 664,364 km (0.093 R)
• M3: 2,360,505 km (0.102 R)
• M4: 4,139,223 km (0.11 R)
• M5: 4,887,811 km (0.08 R)
• M6: 5,400,483 km (0.105 R)
• M7: 6,120,647 km (0.038 R)
• M8: 6,595,022 km (0.098 R)
• M9: 8,063,026 km (0.12 R)
• M10: 14,226,758 km (0.048 R)
• M11: 19,999,440 km (0.097 R)
• M12: 21,587,122 km (0.1 R)
• M13: 25,388,404 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.5

Radius: 7.8

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.42 AU - 6.24 AU

Year: 9717 Days

Day: 22.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,878,661 km

• M1: 97,987 km (0.091 R)
• M2: 349,610 km (0.102 R)
• M3: 796,758 km (0.05 R)
• M4: 1,144,573 km (0.067 R)
• M5: 1,984,266 km (0.1 R)
• M6: 2,439,642 km (0.057 R)
• M7: 2,712,808 km (0.088 R)
• M8: 3,320,923 km (0.068 R)
• M9: 5,174,291 km (0.059 R)
• M10: 5,694,742 km (0.104 R)
• M11: 6,954,506 km (0.104 R)
• M12: 8,303,280 km (0.102 R)
• M13: 8,566,124 km (0.107 R)
• M14: 9,721,618 km (0.091 R)
• M15: 10,821,461 km (0.097 R)
• M16: 13,992,188 km (0.12 R)
• M17: 15,523,023 km (0.066 R)
• M18: 17,589,568 km (0.094 R)
• M19: 27,695,652 km (0.085 R)
• M20: 30,200,220 km (0.074 R)
• M21: 39,840,905 km (0.092 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 14,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit