🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.22 AU - 1.94 AU

Year: 744 Days

Day: 44.8 Hours

Environment

Temp: -60 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.12 AU - 3.32 AU

Year: 2165 Days

Day: 28.6 Hours

Environment

Temp: -105 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.5

Radius: 11.7

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.49 AU - 9.63 AU

Year: 8575 Days

Day: 8.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,704,060 km

• M1: 145,559 km (0.064 R)
• M2: 661,372 km (0.084 R)
• M3: 1,104,182 km (0.116 R)
• M4: 1,718,880 km (0.088 R)
• M5: 2,130,722 km (0.117 R)
• M6: 2,571,139 km (0.108 R)
• M7: 4,462,804 km (0.058 R)
• M8: 5,376,697 km (0.074 R)
• M9: 5,762,510 km (0.105 R)
• M10: 6,957,348 km (0.115 R)
• M11: 7,774,003 km (0.11 R)
• M12: 8,143,061 km (0.094 R)
• M13: 9,050,073 km (0.112 R)
• M14: 12,068,060 km (0.057 R)
• M15: 12,902,068 km (0.106 R)
• M16: 13,304,337 km (0.115 R)
• M17: 14,316,067 km (0.104 R)
• M18: 18,444,071 km (0.118 R)
• M19: 21,252,622 km (0.066 R)
• M20: 21,652,945 km (0.085 R)
• M21: 22,634,008 km (0.082 R)
• M22: 23,389,178 km (0.12 R)
• M23: 23,988,168 km (0.103 R)
• M24: 26,394,450 km (0.059 R)
• M25: 29,648,054 km (0.117 R)
• M26: 31,682,136 km (0.081 R)
• M27: 37,171,331 km (0.117 R)
• M28: 38,340,438 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54

Radius: 3.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 15.47 AU - 20.77 AU

Year: 28905 Days

Day: 18.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,704,060 km

• M1: 126,111 km (0.089 R)
• M2: 901,776 km (0.09 R)
• M3: 1,192,145 km (0.056 R)
• M4: 1,892,862 km (0.115 R)
• M5: 2,172,161 km (0.093 R)
• M6: 2,812,141 km (0.104 R)
• M7: 6,107,483 km (0.077 R)
• M8: 6,938,050 km (0.106 R)
• M9: 9,640,835 km (0.052 R)
• M10: 13,909,460 km (0.097 R)
• M11: 15,854,682 km (0.07 R)
• M12: 21,615,247 km (0.103 R)
• M13: 22,266,297 km (0.075 R)
• M14: 28,823,321 km (0.109 R)
• M15: 31,541,664 km (0.053 R)
• M16: 39,615,311 km (0.116 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 17,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit