🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.84 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.06 AU - 4.28 AU

Year: 2076 Days

Day: 28.8 Hours

Environment

Temp: -47 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,868,689 km

• M1: 119,080 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.16 AU - 5.9 AU

Year: 3331 Days

Day: 44.3 Hours

Environment

Temp: -90 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,868,689 km

• M1: 29,471 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.04 AU - 10.46 AU

Year: 7643 Days

Day: 17.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.3

Radius: 11.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 8.36 AU - 12.92 AU

Year: 10248 Days

Day: 5.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,868,689 km

• M1: 145,559 km (0.107 R)
• M2: 938,876 km (0.104 R)
• M3: 1,318,256 km (0.096 R)
• M4: 2,096,016 km (0.114 R)
• M5: 2,495,442 km (0.104 R)
• M6: 3,567,909 km (0.098 R)
• M7: 4,836,948 km (0.117 R)
• M8: 5,737,677 km (0.086 R)
• M9: 6,280,717 km (0.069 R)
• M10: 6,932,365 km (0.102 R)
• M11: 7,509,364 km (0.096 R)
• M12: 7,993,762 km (0.074 R)
• M13: 8,759,703 km (0.108 R)
• M14: 9,714,287 km (0.094 R)
• M15: 11,300,623 km (0.072 R)
• M16: 14,605,240 km (0.12 R)
• M17: 17,506,990 km (0.049 R)
• M18: 21,009,525 km (0.114 R)
• M19: 22,632,512 km (0.032 R)
• M20: 24,512,509 km (0.055 R)
• M21: 25,943,861 km (0.077 R)
• M22: 26,959,631 km (0.112 R)
• M23: 29,169,042 km (0.043 R)
• M24: 29,764,740 km (0.077 R)
• M25: 30,980,373 km (0.105 R)
• M26: 31,392,814 km (0.091 R)
• M27: 31,808,995 km (0.052 R)
• M28: 35,272,186 km (0.113 R)
• M29: 39,098,899 km (0.096 R)
• M30: 39,580,754 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.5

Radius: 6.2

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 16.71 AU - 20.17 AU

Year: 23382 Days

Day: 15.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,868,689 km

• M1: 151,094 km (0.06 R)
• M2: 1,485,357 km (0.118 R)
• M3: 2,731,807 km (0.067 R)
• M4: 3,195,560 km (0.069 R)
• M5: 4,698,869 km (0.065 R)
• M6: 12,702,804 km (0.115 R)
• M7: 13,159,825 km (0.096 R)
• M8: 13,450,943 km (0.065 R)
• M9: 19,230,806 km (0.046 R)
• M10: 27,313,280 km (0.09 R)
• M11: 38,219,114 km (0.091 R)
• M12: 39,410,961 km (0.063 R)

Kuiper Belt

Range: 37.1 - 66.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 11,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit