🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.57 AU - 0.73 AU

Year: 338 Days

Day: 30.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.7

Radius: 11.9

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.85 AU - 1.17 AU

Year: 655 Days

Day: 9.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 19,230,057 km

• M1: 148,700 km (0.117 R)
• M2: 538,403 km (0.106 R)
• M3: 1,097,899 km (0.094 R)
• M4: 1,808,339 km (0.094 R)
• M5: 2,922,095 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.8

Radius: 8.6

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.47 AU - 1.97 AU

Year: 1456 Days

Day: 8 Hours

Environment

Temp: -191 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 19,230,057 km

• M1: 106,962 km (0.044 R)
• M2: 427,252 km (0.062 R)
• M3: 777,161 km (0.069 R)
• M4: 1,525,300 km (0.057 R)
• M5: 2,525,810 km (0.101 R)
• M6: 4,347,464 km (0.089 R)
• M7: 4,862,529 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.2

Radius: 14.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.95 AU - 4.11 AU

Year: 4282 Days

Day: 14.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,230,057 km

• M1: 179,517 km (0.03 R)
• M2: 692,189 km (0.058 R)
• M3: 1,256,622 km (0.115 R)
• M4: 1,937,292 km (0.064 R)
• M5: 2,966,376 km (0.097 R)
• M6: 4,293,160 km (0.091 R)
• M7: 4,987,294 km (0.115 R)
• M8: 5,556,215 km (0.102 R)
• M9: 6,301,511 km (0.044 R)
• M10: 7,259,386 km (0.025 R)
• M11: 7,835,787 km (0.073 R)
• M12: 8,977,817 km (0.101 R)
• M13: 9,932,551 km (0.103 R)
• M14: 10,378,203 km (0.105 R)
• M15: 10,875,915 km (0.09 R)
• M16: 11,837,081 km (0.074 R)
• M17: 13,518,711 km (0.071 R)
• M18: 14,487,806 km (0.064 R)
• M19: 16,564,374 km (0.089 R)
• M20: 17,512,525 km (0.066 R)
• M21: 18,720,229 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 16,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit