🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.52 AU - 0.62 AU

Year: 282 Days

Day: 38 Hours

Environment

Temp: -117 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,399,987 km

• M1: 86,617 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.8

Radius: 13.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.69 AU - 1.03 AU

Year: 523 Days

Day: 8 Hours

Environment

Temp: -144 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,399,987 km

• M1: 172,935 km (0.09 R)
• M2: 759,508 km (0.111 R)
• M3: 1,237,623 km (0.045 R)
• M4: 1,800,859 km (0.072 R)
• M5: 2,436,949 km (0.036 R)
• M6: 3,713,019 km (0.109 R)
• M7: 4,191,882 km (0.091 R)
• M8: 4,937,777 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.6

Radius: 9.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.52 AU - 1.74 AU

Year: 1365 Days

Day: 6.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,399,987 km

• M1: 124,615 km (0.099 R)
• M2: 649,853 km (0.108 R)
• M3: 1,173,745 km (0.05 R)
• M4: 1,944,324 km (0.113 R)
• M5: 2,690,219 km (0.115 R)
• M6: 3,323,915 km (0.114 R)
• M7: 3,815,045 km (0.106 R)
• M8: 4,371,250 km (0.096 R)
• M9: 4,795,809 km (0.074 R)
• M10: 5,267,191 km (0.086 R)
• M11: 5,605,133 km (0.106 R)
• M12: 6,707,221 km (0.101 R)
• M13: 7,419,755 km (0.094 R)
• M14: 8,636,285 km (0.044 R)
• M15: 9,023,295 km (0.077 R)
• M16: 9,891,411 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.1

Radius: 13.4

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.98 AU - 3.24 AU

Year: 3598 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,399,987 km

• M1: 166,652 km (0.117 R)
• M2: 867,817 km (0.11 R)
• M3: 1,301,053 km (0.039 R)
• M4: 1,734,737 km (0.061 R)
• M5: 2,194,750 km (0.108 R)
• M6: 2,703,533 km (0.08 R)
• M7: 4,251,721 km (0.079 R)
• M8: 4,948,548 km (0.076 R)
• M9: 5,861,394 km (0.092 R)
• M10: 6,328,439 km (0.12 R)
• M11: 9,755,576 km (0.072 R)
• M12: 11,101,508 km (0.048 R)
• M13: 12,283,631 km (0.111 R)
• M14: 16,391,139 km (0.054 R)
• M15: 16,969,186 km (0.094 R)
• M16: 17,560,845 km (0.099 R)
• M17: 19,290,795 km (0.065 R)
• M18: 20,861,872 km (0.115 R)
• M19: 22,305,192 km (0.072 R)
• M20: 23,015,483 km (0.038 R)
• M21: 24,109,043 km (0.074 R)
• M22: 24,857,182 km (0.106 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: 292 - 14,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit