🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.64 AU - 0.82 AU

Year: 230 Days

Day: 35.8 Hours

Environment

Temp: 127 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.32 AU - 5.22 AU

Year: 3256 Days

Day: 14.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,995,874 km

• M1: 437,574 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 12.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401

Radius: 12.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 9.85 AU - 14.33 AU

Year: 15510 Days

Day: 5.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,995,874 km

• M1: 155,283 km (0.116 R)
• M2: 708,047 km (0.039 R)
• M3: 1,279,361 km (0.114 R)
• M4: 4,623,921 km (0.096 R)
• M5: 6,114,963 km (0.026 R)
• M6: 10,337,961 km (0.118 R)
• M7: 11,044,512 km (0.085 R)
• M8: 11,782,927 km (0.086 R)
• M9: 13,045,234 km (0.096 R)
• M10: 15,415,761 km (0.086 R)
• M11: 16,050,655 km (0.057 R)
• M12: 20,994,266 km (0.045 R)
• M13: 33,287,172 km (0.11 R)
• M14: 42,006,932 km (0.07 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.4

Radius: 6.4

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 13.89 AU - 15.73 AU

Year: 21029 Days

Day: 17.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,995,874 km

• M1: 111,600 km (0.109 R)
• M2: 330,312 km (0.073 R)
• M3: 532,269 km (0.089 R)
• M4: 931,396 km (0.066 R)
• M5: 1,372,860 km (0.104 R)
• M6: 4,980,263 km (0.049 R)
• M7: 6,094,916 km (0.117 R)
• M8: 7,861,667 km (0.115 R)
• M9: 9,944,070 km (0.104 R)
• M10: 13,066,626 km (0.093 R)
• M11: 16,123,060 km (0.089 R)
• M12: 16,786,826 km (0.115 R)
• M13: 19,906,540 km (0.104 R)
• M14: 21,852,210 km (0.103 R)
• M15: 23,497,338 km (0.116 R)
• M16: 25,779,453 km (0.111 R)
• M17: 27,264,062 km (0.084 R)
• M18: 28,205,482 km (0.094 R)
• M19: 33,639,475 km (0.117 R)
• M20: 34,177,878 km (0.06 R)
• M21: 35,271,887 km (0.077 R)
• M22: 37,242,091 km (0.101 R)
• M23: 45,693,922 km (0.077 R)
• M24: 50,099,878 km (0.099 R)
• M25: 51,155,291 km (0.119 R)
• M26: 59,941,623 km (0.066 R)
• M27: 60,732,696 km (0.044 R)
• M28: 62,538,193 km (0.113 R)
• M29: 62,944,202 km (0.082 R)
• M30: 66,889,397 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 20,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit