🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.42 AU - 0.68 AU

Year: 263 Days

Day: 36.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,489,233 km

• M1: 112,348 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.9

Radius: 10.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.84 AU - 0.96 AU

Year: 551 Days

Day: 12.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,489,233 km

• M1: 125,662 km (0.092 R)
• M2: 509,082 km (0.091 R)
• M3: 937,679 km (0.044 R)
• M4: 1,544,299 km (0.104 R)
• M5: 1,933,403 km (0.097 R)
• M6: 2,412,415 km (0.067 R)
• M7: 2,801,968 km (0.11 R)
• M8: 3,304,318 km (0.116 R)
• M9: 4,016,104 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.4

Radius: 9.2

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.16 AU - 1.16 AU

Year: 807 Days

Day: 6.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 15,489,233 km

• M1: 114,742 km (0.066 R)
• M2: 407,355 km (0.055 R)
• M3: 798,703 km (0.064 R)
• M4: 1,233,135 km (0.092 R)
• M5: 1,813,126 km (0.112 R)
• M6: 2,287,950 km (0.075 R)
• M7: 2,575,327 km (0.1 R)
• M8: 2,941,244 km (0.099 R)
• M9: 3,270,509 km (0.07 R)
• M10: 3,883,561 km (0.118 R)
• M11: 4,439,018 km (0.096 R)
• M12: 4,889,606 km (0.033 R)
• M13: 5,918,092 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.7

Radius: 8.9

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.64 AU - 2.18 AU

Year: 1704 Days

Day: 11.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 15,489,233 km

• M1: 110,852 km (0.117 R)
• M2: 430,543 km (0.057 R)
• M3: 834,158 km (0.117 R)
• M4: 1,139,936 km (0.116 R)
• M5: 1,438,683 km (0.116 R)
• M6: 2,009,997 km (0.055 R)
• M7: 2,505,465 km (0.045 R)
• M8: 3,095,778 km (0.116 R)
• M9: 3,956,116 km (0.107 R)
• M10: 4,295,104 km (0.045 R)
• M11: 5,118,940 km (0.097 R)
• M12: 5,522,256 km (0.062 R)
• M13: 5,946,964 km (0.119 R)
• M14: 7,549,905 km (0.063 R)
• M15: 7,925,546 km (0.1 R)
• M16: 8,344,120 km (0.096 R)
• M17: 9,258,163 km (0.092 R)
• M18: 11,585,308 km (0.077 R)
• M19: 13,844,535 km (0.093 R)
• M20: 14,320,555 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 19,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit