🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.58 AU - 0.68 AU

Year: 328 Days

Day: 13.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 14,455,462 km

• M1: 44,580 km (0.107 R)
• M2: 420,370 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.9

Radius: 11.2

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.01 AU - 1.13 AU

Year: 726 Days

Day: 7.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,455,462 km

• M1: 139,276 km (0.084 R)
• M2: 530,773 km (0.112 R)
• M3: 923,468 km (0.119 R)
• M4: 1,479,224 km (0.11 R)
• M5: 1,870,871 km (0.112 R)
• M6: 2,750,656 km (0.08 R)
• M7: 3,167,436 km (0.107 R)
• M8: 3,640,464 km (0.057 R)
• M9: 4,301,986 km (0.117 R)
• M10: 4,971,287 km (0.104 R)
• M11: 6,083,846 km (0.111 R)
• M12: 6,433,456 km (0.065 R)
• M13: 6,796,381 km (0.054 R)
• M14: 7,355,279 km (0.104 R)
• M15: 7,705,188 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.6

Radius: 12.1

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.78 AU - 1.82 AU

Year: 1584 Days

Day: 8.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,455,462 km

• M1: 150,495 km (0.088 R)
• M2: 646,113 km (0.045 R)
• M3: 1,136,345 km (0.059 R)
• M4: 1,927,868 km (0.078 R)
• M5: 3,333,938 km (0.098 R)
• M6: 4,024,781 km (0.076 R)
• M7: 4,433,632 km (0.098 R)
• M8: 4,911,298 km (0.054 R)
• M9: 5,807,389 km (0.08 R)
• M10: 6,681,191 km (0.116 R)
• M11: 7,447,132 km (0.108 R)
• M12: 8,037,744 km (0.11 R)
• M13: 8,904,514 km (0.087 R)
• M14: 9,965,612 km (0.103 R)
• M15: 10,824,004 km (0.078 R)
• M16: 11,253,350 km (0.054 R)
• M17: 13,165,959 km (0.119 R)
• M18: 13,863,085 km (0.079 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 17,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit