🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.41 AU - 0.65 AU

Year: 136 Days

Day: 33.5 Hours

Environment

Temp: 232 °C

Axial Tilt: 11.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 69,737,616 km

• M1: 22,290 km (0.098 R)
• M2: 225,893 km (0.048 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.6 AU - 0.7 AU

Year: 184 Days

Day: 43.7 Hours

Environment

Temp: 244 °C

Axial Tilt: 24.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.92 AU - 1.28 AU

Year: 405 Days

Day: 44.7 Hours

Environment

Temp: 47 °C

Axial Tilt: 30 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,737,616 km

• M1: 36,203 km (0.098 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.2 AU - 1.52 AU

Year: 557 Days

Day: 24.6 Hours

Environment

Temp: 20 °C

Axial Tilt: 15.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 5.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.4

Radius: 11.9

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.91 AU - 10.81 AU

Year: 9269 Days

Day: 14.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,737,616 km

• M1: 217,216 km (0.056 R)
• M2: 720,015 km (0.116 R)
• M3: 1,186,012 km (0.083 R)
• M4: 1,606,831 km (0.085 R)
• M5: 2,367,536 km (0.106 R)
• M6: 2,956,353 km (0.107 R)
• M7: 3,746,978 km (0.106 R)
• M8: 4,333,252 km (0.092 R)
• M9: 7,244,426 km (0.11 R)
• M10: 9,626,025 km (0.056 R)
• M11: 13,183,163 km (0.118 R)
• M12: 14,758,428 km (0.115 R)
• M13: 15,648,087 km (0.12 R)
• M14: 16,514,408 km (0.035 R)
• M15: 17,230,234 km (0.099 R)
• M16: 17,657,186 km (0.11 R)
• M17: 24,174,567 km (0.117 R)
• M18: 25,489,084 km (0.102 R)
• M19: 27,507,907 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.8

Radius: 9.6

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 10.95 AU - 14.49 AU

Year: 15944 Days

Day: 5.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,737,616 km

• M1: 121,025 km (0.111 R)
• M2: 635,641 km (0.062 R)
• M3: 1,357,152 km (0.086 R)
• M4: 1,834,967 km (0.113 R)
• M5: 4,575,002 km (0.067 R)
• M6: 7,119,063 km (0.115 R)
• M7: 10,021,711 km (0.025 R)
• M8: 10,660,943 km (0.116 R)
• M9: 18,113,909 km (0.098 R)
• M10: 19,415,260 km (0.092 R)
• M11: 23,389,627 km (0.098 R)
• M12: 24,721,946 km (0.032 R)
• M13: 25,353,698 km (0.11 R)
• M14: 29,725,097 km (0.081 R)
• M15: 34,836,407 km (0.09 R)
• M16: 43,938,690 km (0.12 R)
• M17: 46,439,069 km (0.063 R)
• M18: 52,928,325 km (0.111 R)
• M19: 55,936,888 km (0.085 R)
• M20: 62,292,404 km (0.115 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 12,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit