🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.44 AU - 0.62 AU

Year: 139 Days

Day: 37.9 Hours

Environment

Temp: 192 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.54 AU - 0.74 AU

Year: 184 Days

Day: 21.8 Hours

Environment

Temp: 179 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,512,347 km

• M1: 219,310 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.8 AU - 3.02 AU

Year: 1787 Days

Day: 13.3 Hours

Environment

Temp: -93 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.2

Radius: 10.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.41 AU - 5.99 AU

Year: 4898 Days

Day: 12.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,512,347 km

• M1: 135,536 km (0.084 R)
• M2: 692,937 km (0.067 R)
• M3: 1,057,956 km (0.097 R)
• M4: 2,013,887 km (0.091 R)
• M5: 2,522,519 km (0.118 R)
• M6: 3,209,622 km (0.103 R)
• M7: 4,439,167 km (0.106 R)
• M8: 4,806,430 km (0.074 R)
• M9: 5,327,779 km (0.086 R)
• M10: 5,696,089 km (0.041 R)
• M11: 6,356,264 km (0.068 R)
• M12: 6,931,318 km (0.094 R)
• M13: 7,569,203 km (0.108 R)
• M14: 8,739,956 km (0.093 R)
• M15: 9,484,804 km (0.096 R)
• M16: 11,437,505 km (0.071 R)
• M17: 14,031,083 km (0.032 R)
• M18: 15,188,821 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.7

Radius: 5

Gravity: 18.79 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 12.62 AU - 17.12 AU

Year: 20637 Days

Day: 23.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,512,347 km

• M1: 62,682 km (0.101 R)
• M2: 488,587 km (0.051 R)
• M3: 669,301 km (0.109 R)
• M4: 1,265,299 km (0.109 R)
• M5: 2,062,207 km (0.1 R)
• M6: 2,368,882 km (0.05 R)
• M7: 2,589,838 km (0.107 R)
• M8: 8,877,736 km (0.093 R)
• M9: 9,967,108 km (0.086 R)
• M10: 10,137,949 km (0.119 R)
• M11: 15,295,485 km (0.066 R)
• M12: 21,680,172 km (0.088 R)
• M13: 22,548,737 km (0.106 R)
• M14: 26,147,015 km (0.063 R)
• M15: 28,365,851 km (0.077 R)
• M16: 32,420,551 km (0.116 R)
• M17: 34,715,831 km (0.081 R)
• M18: 50,295,702 km (0.089 R)
• M19: 50,630,651 km (0.108 R)
• M20: 61,382,699 km (0.101 R)
• M21: 63,897,140 km (0.097 R)
• M22: 65,478,090 km (0.108 R)

Kuiper Belt

Range: 30.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 14,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit