🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.69 AU - 0.73 AU

Year: 229 Days

Day: 33.1 Hours

Environment

Temp: 160 °C

Axial Tilt: 37.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.15 AU - 1.41 AU

Year: 554 Days

Day: 28.8 Hours

Environment

Temp: -32 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,653,271 km

• M1: 33,211 km (0.086 R)
• M2: 495,169 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.71 AU - 2.29 AU

Year: 1083 Days

Day: 25 Hours

Environment

Temp: -88 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.92 AU - 3.56 AU

Year: 2233 Days

Day: 24.7 Hours

Environment

Temp: -114 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,653,271 km

• M1: 45,029 km (0.116 R)

Asteroid Belt

Center: 3.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.6

Radius: 12.5

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.33 AU - 4.77 AU

Year: 3716 Days

Day: 10.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,653,271 km

• M1: 156,180 km (0.119 R)
• M2: 1,695,841 km (0.108 R)
• M3: 2,573,532 km (0.051 R)
• M4: 3,318,978 km (0.054 R)
• M5: 4,125,760 km (0.105 R)
• M6: 5,732,590 km (0.087 R)
• M7: 6,785,460 km (0.104 R)
• M8: 7,430,227 km (0.059 R)
• M9: 7,902,508 km (0.075 R)
• M10: 9,039,152 km (0.118 R)
• M11: 10,390,470 km (0.119 R)
• M12: 11,872,237 km (0.109 R)
• M13: 12,893,392 km (0.088 R)
• M14: 13,664,419 km (0.036 R)
• M15: 14,330,130 km (0.053 R)
• M16: 15,017,233 km (0.117 R)
• M17: 16,211,472 km (0.115 R)
• M18: 16,957,667 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.5

Radius: 13.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.37 AU - 9.15 AU

Year: 9927 Days

Day: 5.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,653,271 km

• M1: 165,455 km (0.099 R)
• M2: 603,777 km (0.096 R)
• M3: 1,311,973 km (0.103 R)
• M4: 1,916,498 km (0.113 R)
• M5: 2,430,965 km (0.064 R)
• M6: 3,182,994 km (0.112 R)
• M7: 3,719,601 km (0.114 R)
• M8: 4,342,527 km (0.107 R)
• M9: 5,034,417 km (0.115 R)
• M10: 5,895,353 km (0.058 R)
• M11: 6,361,500 km (0.078 R)
• M12: 7,910,287 km (0.089 R)
• M13: 10,541,264 km (0.116 R)
• M14: 13,310,171 km (0.119 R)
• M15: 17,599,890 km (0.07 R)
• M16: 18,854,568 km (0.111 R)
• M17: 19,797,333 km (0.087 R)
• M18: 20,468,280 km (0.115 R)
• M19: 24,988,978 km (0.106 R)
• M20: 26,933,900 km (0.115 R)
• M21: 29,360,377 km (0.08 R)
• M22: 32,234,900 km (0.065 R)
• M23: 33,059,783 km (0.079 R)
• M24: 38,193,234 km (0.101 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 14,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit