🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.45 AU - 0.63 AU

Year: 142 Days

Day: 40 Hours

Environment

Temp: 214 °C

Axial Tilt: 20.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.89 AU - 1.37 AU

Year: 430 Days

Day: 22 Hours

Environment

Temp: 36 °C

Axial Tilt: 32.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.04 AU - 1.24 AU

Year: 436 Days

Day: 24.9 Hours

Environment

Temp: 34 °C

Axial Tilt: 34.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 47,052,993 km

• M1: 444,904 km (0.107 R)
• M2: 642,523 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.13 AU - 2.49 AU

Year: 1257 Days

Day: 35.8 Hours

Environment

Temp: -82 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.38 AU - 3.8 AU

Year: 1945 Days

Day: 22.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 148.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 14.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.3

Radius: 6

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 12.35 AU - 16.33 AU

Year: 19449 Days

Day: 20.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,052,993 km

• M1: 80,484 km (0.07 R)
• M2: 313,707 km (0.099 R)
• M3: 547,977 km (0.082 R)
• M4: 862,731 km (0.109 R)
• M5: 1,330,374 km (0.084 R)
• M6: 1,687,314 km (0.102 R)
• M7: 2,141,045 km (0.102 R)
• M8: 2,652,370 km (0.071 R)
• M9: 5,635,501 km (0.104 R)
• M10: 7,029,155 km (0.062 R)
• M11: 7,349,444 km (0.119 R)
• M12: 9,052,317 km (0.119 R)
• M13: 10,529,446 km (0.033 R)
• M14: 13,827,780 km (0.075 R)
• M15: 14,976,841 km (0.03 R)
• M16: 18,957,491 km (0.054 R)
• M17: 19,499,933 km (0.115 R)
• M18: 25,693,733 km (0.063 R)
• M19: 26,357,948 km (0.088 R)
• M20: 28,218,347 km (0.089 R)
• M21: 30,903,479 km (0.104 R)
• M22: 32,198,399 km (0.1 R)
• M23: 35,592,924 km (0.075 R)
• M24: 36,775,495 km (0.03 R)
• M25: 39,094,112 km (0.069 R)
• M26: 39,972,252 km (0.059 R)
• M27: 40,863,556 km (0.107 R)
• M28: 41,768,025 km (0.118 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 10,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit