🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.5

Radius: 13.3

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.69 AU - 0.93 AU

Year: 471 Days

Day: 5.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,559,525 km

• M1: 165,455 km (0.113 R)
• M2: 756,367 km (0.063 R)
• M3: 1,190,051 km (0.057 R)
• M4: 1,796,371 km (0.097 R)
• M5: 2,865,398 km (0.071 R)
• M6: 3,466,781 km (0.044 R)
• M7: 4,165,553 km (0.047 R)
• M8: 4,722,954 km (0.111 R)
• M9: 5,329,873 km (0.114 R)
• M10: 6,450,959 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.3

Radius: 12.9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.7 AU - 0.94 AU

Year: 479 Days

Day: 5.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,559,525 km

• M1: 160,519 km (0.075 R)
• M2: 636,988 km (0.096 R)
• M3: 1,072,916 km (0.099 R)
• M4: 1,542,803 km (0.102 R)
• M5: 1,988,904 km (0.117 R)
• M6: 2,413,014 km (0.113 R)
• M7: 3,914,228 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.9

Radius: 8

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.62 AU - 1.92 AU

Year: 1520 Days

Day: 7.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,559,525 km

• M1: 99,632 km (0.077 R)
• M2: 383,569 km (0.084 R)
• M3: 1,122,134 km (0.114 R)
• M4: 2,478,986 km (0.026 R)
• M5: 2,954,558 km (0.105 R)
• M6: 3,279,784 km (0.086 R)
• M7: 4,402,067 km (0.092 R)
• M8: 7,380,561 km (0.115 R)
• M9: 10,652,864 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.4

Radius: 12.3

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.65 AU - 4.15 AU

Year: 4048 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,559,525 km

• M1: 153,039 km (0.115 R)
• M2: 638,185 km (0.064 R)
• M3: 1,254,977 km (0.076 R)
• M4: 2,610,184 km (0.077 R)
• M5: 3,932,479 km (0.11 R)
• M6: 5,205,557 km (0.12 R)
• M7: 6,335,320 km (0.044 R)
• M8: 7,558,582 km (0.069 R)
• M9: 8,549,070 km (0.087 R)
• M10: 9,699,028 km (0.08 R)
• M11: 10,311,482 km (0.063 R)
• M12: 11,113,177 km (0.07 R)
• M13: 12,481,698 km (0.091 R)
• M14: 15,091,882 km (0.074 R)
• M15: 16,713,523 km (0.095 R)
• M16: 19,092,129 km (0.055 R)
• M17: 20,116,126 km (0.118 R)
• M18: 21,049,916 km (0.058 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 12,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit