🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.61 AU - 0.71 AU

Year: 201 Days

Day: 36.9 Hours

Environment

Temp: 125 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.73 AU - 0.87 AU

Year: 268 Days

Day: 15.5 Hours

Environment

Temp: 85 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.83 AU - 3.39 AU

Year: 2055 Days

Day: 36.3 Hours

Environment

Temp: -109 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,735,137 km

• M1: 732,431 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.9 AU - 3.9 AU

Year: 2886 Days

Day: 43.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,735,137 km

• M1: 755,469 km (0.066 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.14 AU - 4.52 AU

Year: 3376 Days

Day: 12.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.6

Radius: 4.1

Gravity: 41.98 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 12.11 AU - 19.89 AU

Year: 23983 Days

Day: 19.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,735,137 km

• M1: 55,052 km (0.107 R)
• M2: 326,273 km (0.107 R)
• M3: 515,514 km (0.088 R)
• M4: 765,492 km (0.095 R)
• M5: 2,057,719 km (0.111 R)
• M6: 3,995,011 km (0.115 R)
• M7: 4,622,275 km (0.091 R)
• M8: 7,689,630 km (0.103 R)
• M9: 9,282,548 km (0.102 R)
• M10: 11,082,659 km (0.094 R)
• M11: 12,029,763 km (0.1 R)
• M12: 21,520,252 km (0.097 R)
• M13: 25,658,279 km (0.084 R)
• M14: 29,276,902 km (0.094 R)
• M15: 38,707,252 km (0.068 R)
• M16: 51,612,761 km (0.113 R)
• M17: 53,474,058 km (0.118 R)
• M18: 59,325,429 km (0.078 R)
• M19: 64,090,121 km (0.107 R)
• M20: 64,943,876 km (0.119 R)
• M21: 66,238,796 km (0.12 R)
• M22: 78,433,416 km (0.091 R)
• M23: 84,927,459 km (0.094 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: 161 - 17,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit