🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.04 AU - 1.72 AU

Year: 586 Days

Day: 43.2 Hours

Environment

Temp: -21 °C

Axial Tilt: 2.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 31,035,557 km

• M1: 315,502 km (0.1 R)
• M2: 629,209 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.76 AU - 3.78 AU

Year: 2647 Days

Day: 26.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.71 AU - 5.43 AU

Year: 3533 Days

Day: 21.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.7

Radius: 14.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.95 AU - 8.07 AU

Year: 6712 Days

Day: 5.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,035,557 km

• M1: 182,809 km (0.097 R)
• M2: 889,509 km (0.06 R)
• M3: 1,416,991 km (0.057 R)
• M4: 2,012,989 km (0.091 R)
• M5: 2,722,382 km (0.069 R)
• M6: 3,205,583 km (0.044 R)
• M7: 4,750,181 km (0.076 R)
• M8: 5,260,160 km (0.12 R)
• M9: 5,717,930 km (0.103 R)
• M10: 6,616,415 km (0.113 R)
• M11: 8,120,023 km (0.034 R)
• M12: 9,012,524 km (0.066 R)
• M13: 10,856,317 km (0.113 R)
• M14: 11,507,667 km (0.063 R)
• M15: 12,185,046 km (0.067 R)
• M16: 12,991,677 km (0.078 R)
• M17: 14,488,703 km (0.064 R)
• M18: 15,279,179 km (0.038 R)
• M19: 17,444,159 km (0.111 R)
• M20: 17,951,894 km (0.12 R)
• M21: 21,641,127 km (0.083 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 18,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit