🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.92 AU - 1.08 AU

Year: 373 Days

Day: 40.6 Hours

Environment

Temp: 31 °C

Axial Tilt: 28.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.4 AU - 4.1 AU

Year: 2707 Days

Day: 25.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701

Radius: 12.6

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.31 AU - 5.53 AU

Year: 4068 Days

Day: 9.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,539,184 km

• M1: 156,629 km (0.084 R)
• M2: 965,056 km (0.067 R)
• M3: 1,428,211 km (0.091 R)
• M4: 2,387,133 km (0.093 R)
• M5: 2,807,354 km (0.067 R)
• M6: 3,928,141 km (0.119 R)
• M7: 5,461,818 km (0.082 R)
• M8: 6,259,175 km (0.081 R)
• M9: 6,748,809 km (0.065 R)
• M10: 7,396,717 km (0.052 R)
• M11: 7,909,688 km (0.116 R)
• M12: 9,592,515 km (0.061 R)
• M13: 12,005,977 km (0.063 R)
• M14: 13,453,337 km (0.037 R)
• M15: 15,068,096 km (0.113 R)
• M16: 15,782,426 km (0.116 R)
• M17: 18,930,713 km (0.068 R)
• M18: 20,752,665 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.3

Radius: 10.3

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.87 AU - 8.07 AU

Year: 6135 Days

Day: 9.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,539,184 km

• M1: 128,056 km (0.09 R)
• M2: 489,634 km (0.116 R)
• M3: 1,138,440 km (0.087 R)
• M4: 2,566,651 km (0.113 R)
• M5: 4,090,754 km (0.112 R)
• M6: 4,662,816 km (0.049 R)
• M7: 5,233,382 km (0.09 R)
• M8: 5,591,968 km (0.103 R)
• M9: 11,010,553 km (0.073 R)
• M10: 13,146,511 km (0.057 R)
• M11: 13,656,341 km (0.052 R)
• M12: 14,607,185 km (0.075 R)
• M13: 15,828,652 km (0.108 R)
• M14: 16,231,219 km (0.105 R)
• M15: 22,537,069 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.7

Radius: 7.5

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 14.9 AU - 15.32 AU

Year: 21895 Days

Day: 16.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,539,184 km

• M1: 93,349 km (0.067 R)
• M2: 429,346 km (0.079 R)
• M3: 670,198 km (0.067 R)
• M4: 1,269,936 km (0.105 R)
• M5: 2,248,606 km (0.119 R)
• M6: 3,461,844 km (0.118 R)
• M7: 8,014,706 km (0.079 R)
• M8: 9,591,916 km (0.08 R)
• M9: 10,705,822 km (0.118 R)
• M10: 12,871,550 km (0.077 R)
• M11: 19,461,785 km (0.031 R)
• M12: 20,875,036 km (0.083 R)
• M13: 23,510,652 km (0.114 R)
• M14: 25,112,097 km (0.115 R)
• M15: 26,275,669 km (0.1 R)
• M16: 29,069,260 km (0.11 R)
• M17: 29,797,502 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 12,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit