🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.7 AU - 0.86 AU

Year: 247 Days

Day: 18.2 Hours

Environment

Temp: 162 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 51,553,041 km

• M1: 19,897 km (0.099 R)
• M2: 85,869 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.76 AU - 1.08 AU

Year: 316 Days

Day: 40.2 Hours

Environment

Temp: 113 °C

Axial Tilt: 38.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.1 AU - 3.24 AU

Year: 1563 Days

Day: 14.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.95 AU - 4.99 AU

Year: 3968 Days

Day: 28.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.1

Radius: 13.6

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.99 AU - 7.65 AU

Year: 5690 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,553,041 km

• M1: 169,195 km (0.114 R)
• M2: 606,470 km (0.106 R)
• M3: 1,212,341 km (0.118 R)
• M4: 2,821,117 km (0.114 R)
• M5: 4,127,704 km (0.109 R)
• M6: 5,775,226 km (0.093 R)
• M7: 6,272,340 km (0.11 R)
• M8: 7,317,430 km (0.041 R)
• M9: 8,514,812 km (0.107 R)
• M10: 9,580,696 km (0.11 R)
• M11: 10,826,248 km (0.068 R)
• M12: 11,440,048 km (0.085 R)
• M13: 12,582,827 km (0.074 R)
• M14: 14,020,013 km (0.105 R)
• M15: 14,692,755 km (0.084 R)
• M16: 15,269,754 km (0.101 R)
• M17: 16,407,894 km (0.113 R)
• M18: 18,651,414 km (0.109 R)
• M19: 24,535,098 km (0.118 R)
• M20: 25,184,054 km (0.066 R)
• M21: 27,807,701 km (0.059 R)
• M22: 31,266,404 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.7

Radius: 10.4

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.85 AU - 11.95 AU

Year: 11156 Days

Day: 9.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,553,041 km

• M1: 130,599 km (0.092 R)
• M2: 849,118 km (0.113 R)
• M3: 1,234,182 km (0.099 R)
• M4: 2,488,860 km (0.098 R)
• M5: 3,966,438 km (0.077 R)
• M6: 4,599,985 km (0.081 R)
• M7: 6,105,538 km (0.118 R)
• M8: 7,570,550 km (0.106 R)
• M9: 9,702,918 km (0.095 R)
• M10: 11,974,562 km (0.026 R)
• M11: 12,325,817 km (0.108 R)
• M12: 20,798,891 km (0.116 R)
• M13: 22,436,838 km (0.114 R)
• M14: 23,789,353 km (0.064 R)
• M15: 26,458,328 km (0.06 R)
• M16: 28,586,508 km (0.065 R)
• M17: 39,265,252 km (0.085 R)
• M18: 46,628,310 km (0.092 R)
• M19: 49,423,397 km (0.042 R)

Kuiper Belt

Range: 30.6 - 52.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 14,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit