🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.53 AU - 0.71 AU

Year: 177 Days

Day: 13.9 Hours

Environment

Temp: 194 °C

Axial Tilt: 46.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,901,467 km

• M1: 254,915 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.61 AU - 0.87 AU

Year: 231 Days

Day: 41.5 Hours

Environment

Temp: 115 °C

Axial Tilt: 4.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.1 AU - 2.74 AU

Year: 1368 Days

Day: 17.8 Hours

Environment

Temp: -75 °C

Axial Tilt: 69 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 84,901,467 km

• M1: 29,920 km (0.092 R)
• M2: 189,989 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.11 AU - 3.23 AU

Year: 2051 Days

Day: 39.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 14.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.2

Radius: 5.2

Gravity: 32.22 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 12.46 AU - 17.34 AU

Year: 20903 Days

Day: 19.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,901,467 km

• M1: 64,925 km (0.117 R)
• M2: 238,459 km (0.093 R)
• M3: 535,112 km (0.074 R)
• M4: 1,005,447 km (0.031 R)
• M5: 1,771,837 km (0.09 R)
• M6: 2,792,843 km (0.093 R)
• M7: 2,976,998 km (0.066 R)
• M8: 4,756,614 km (0.109 R)
• M9: 7,340,768 km (0.094 R)
• M10: 8,215,167 km (0.107 R)
• M11: 9,863,436 km (0.104 R)
• M12: 11,788,163 km (0.044 R)
• M13: 18,758,376 km (0.119 R)
• M14: 21,480,459 km (0.114 R)
• M15: 23,578,719 km (0.113 R)
• M16: 26,040,202 km (0.026 R)
• M17: 27,094,718 km (0.1 R)
• M18: 28,299,429 km (0.105 R)
• M19: 35,569,587 km (0.112 R)
• M20: 36,142,247 km (0.037 R)
• M21: 59,269,180 km (0.107 R)
• M22: 73,031,586 km (0.119 R)
• M23: 84,140,275 km (0.066 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 12,468 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit