🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.5 AU - 0.7 AU

Year: 300 Days

Day: 28.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 10.3

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.65 AU - 0.99 AU

Year: 479 Days

Day: 7.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,976,245 km

• M1: 128,056 km (0.105 R)
• M2: 512,822 km (0.099 R)
• M3: 952,938 km (0.086 R)
• M4: 1,313,619 km (0.059 R)
• M5: 1,974,542 km (0.117 R)
• M6: 2,553,336 km (0.115 R)
• M7: 3,429,382 km (0.068 R)
• M8: 4,064,574 km (0.076 R)
• M9: 4,571,711 km (0.029 R)
• M10: 5,037,110 km (0.085 R)
• M11: 5,533,924 km (0.085 R)
• M12: 6,625,989 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.9

Radius: 11.9

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.81 AU - 1.03 AU

Year: 570 Days

Day: 10 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 24,976,245 km

• M1: 148,102 km (0.112 R)
• M2: 570,566 km (0.096 R)
• M3: 1,444,068 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.2

Radius: 8.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.98 AU - 1.4 AU

Year: 838 Days

Day: 10.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,976,245 km

• M1: 115,340 km (0.039 R)
• M2: 512,223 km (0.063 R)
• M3: 916,586 km (0.118 R)
• M4: 1,549,535 km (0.107 R)
• M5: 1,935,198 km (0.102 R)
• M6: 2,512,646 km (0.104 R)
• M7: 3,500,590 km (0.088 R)

Asteroid Belt

Center: 3.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.8

Radius: 12.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.12 AU - 6.8 AU

Year: 9395 Days

Day: 14.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,976,245 km

• M1: 160,369 km (0.046 R)
• M2: 687,851 km (0.098 R)
• M3: 1,397,095 km (0.107 R)
• M4: 2,362,001 km (0.102 R)
• M5: 4,177,521 km (0.119 R)
• M6: 8,635,836 km (0.07 R)
• M7: 9,193,238 km (0.081 R)
• M8: 13,105,821 km (0.098 R)
• M9: 17,303,387 km (0.109 R)
• M10: 21,169,295 km (0.111 R)
• M11: 22,739,176 km (0.071 R)
• M12: 23,161,191 km (0.115 R)
• M13: 23,660,100 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 11,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit