🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.5 AU - 0.54 AU

Year: 242 Days

Day: 12.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.2

Radius: 11.8

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.64 AU - 0.76 AU

Year: 378 Days

Day: 14.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,850,658 km

• M1: 146,756 km (0.083 R)
• M2: 524,041 km (0.081 R)
• M3: 942,467 km (0.117 R)
• M4: 1,468,004 km (0.091 R)
• M5: 1,879,099 km (0.094 R)
• M6: 2,410,770 km (0.076 R)
• M7: 2,803,464 km (0.069 R)
• M8: 3,292,948 km (0.07 R)
• M9: 3,720,349 km (0.068 R)
• M10: 4,274,610 km (0.119 R)
• M11: 4,660,422 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.1

Radius: 10

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.69 AU - 0.77 AU

Year: 403 Days

Day: 8 Hours

Environment

Temp: -138 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 30,850,658 km

• M1: 127,607 km (0.086 R)
• M2: 722,259 km (0.094 R)
• M3: 1,344,137 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.2

Radius: 11.8

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.84 AU - 6.34 AU

Year: 7415 Days

Day: 5.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,850,658 km

• M1: 155,582 km (0.1 R)
• M2: 555,457 km (0.072 R)
• M3: 992,432 km (0.089 R)
• M4: 1,818,213 km (0.075 R)
• M5: 2,278,376 km (0.06 R)
• M6: 2,780,127 km (0.116 R)
• M7: 4,795,958 km (0.093 R)
• M8: 5,538,861 km (0.072 R)
• M9: 6,199,635 km (0.06 R)
• M10: 7,934,372 km (0.095 R)
• M11: 8,973,927 km (0.047 R)
• M12: 10,997,239 km (0.105 R)
• M13: 11,944,492 km (0.093 R)
• M14: 12,893,840 km (0.066 R)
• M15: 16,223,590 km (0.095 R)
• M16: 17,200,015 km (0.107 R)
• M17: 18,280,112 km (0.119 R)
• M18: 21,573,958 km (0.117 R)
• M19: 22,829,682 km (0.056 R)
• M20: 27,057,767 km (0.087 R)
• M21: 28,692,572 km (0.037 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: 334 - 19,292 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit