🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.1 AU - 1.7 AU

Year: 588 Days

Day: 20.6 Hours

Environment

Temp: 10 °C

Axial Tilt: 5.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.38 AU - 3.14 AU

Year: 1627 Days

Day: 41.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 43.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 108,693,595 km

• M1: 41,588 km (0.078 R)

Asteroid Belt

Center: 5.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.9

Radius: 9

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.18 AU - 10.26 AU

Year: 8361 Days

Day: 9.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 108,693,595 km

• M1: 113,096 km (0.081 R)
• M2: 790,924 km (0.068 R)
• M3: 2,793,441 km (0.097 R)
• M4: 4,250,076 km (0.061 R)
• M5: 4,616,740 km (0.077 R)
• M6: 5,035,016 km (0.103 R)
• M7: 5,982,419 km (0.092 R)
• M8: 6,966,922 km (0.104 R)
• M9: 8,098,331 km (0.119 R)
• M10: 9,301,098 km (0.094 R)
• M11: 10,721,380 km (0.038 R)
• M12: 12,968,340 km (0.109 R)
• M13: 13,802,648 km (0.08 R)
• M14: 14,735,839 km (0.108 R)
• M15: 18,297,615 km (0.089 R)
• M16: 19,653,420 km (0.081 R)
• M17: 20,913,782 km (0.044 R)
• M18: 23,247,808 km (0.055 R)
• M19: 23,769,606 km (0.116 R)
• M20: 29,628,457 km (0.111 R)
• M21: 30,655,745 km (0.095 R)
• M22: 32,456,006 km (0.094 R)
• M23: 34,889,215 km (0.108 R)
• M24: 39,496,830 km (0.059 R)
• M25: 40,240,032 km (0.091 R)
• M26: 42,267,083 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 20 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.3

Radius: 7

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 19.36 AU - 20.64 AU

Year: 31731 Days

Day: 23 Hours

Environment

Temp: -188 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 108,693,595 km

• M1: 87,066 km (0.095 R)
• M2: 880,084 km (0.038 R)
• M3: 1,151,455 km (0.085 R)
• M4: 1,408,464 km (0.048 R)
• M5: 2,224,820 km (0.075 R)
• M6: 3,078,425 km (0.057 R)
• M7: 4,905,015 km (0.05 R)
• M8: 7,409,283 km (0.075 R)
• M9: 8,307,170 km (0.112 R)
• M10: 8,782,442 km (0.101 R)
• M11: 13,259,607 km (0.063 R)
• M12: 20,412,629 km (0.114 R)
• M13: 20,950,434 km (0.094 R)
• M14: 26,602,391 km (0.047 R)
• M15: 30,050,921 km (0.109 R)
• M16: 45,539,836 km (0.1 R)
• M17: 49,669,485 km (0.116 R)
• M18: 68,686,067 km (0.086 R)
• M19: 76,909,612 km (0.085 R)
• M20: 78,472,161 km (0.106 R)
• M21: 87,163,947 km (0.062 R)
• M22: 89,147,166 km (0.096 R)
• M23: 98,292,533 km (0.08 R)
• M24: 102,306,693 km (0.087 R)
• M25: 104,830,558 km (0.048 R)

Kuiper Belt

Range: 30.9 - 52.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 18,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit