🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.8 AU - 0.94 AU

Year: 299 Days

Day: 21.7 Hours

Environment

Temp: 110 °C

Axial Tilt: 19.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.1 AU - 1.18 AU

Year: 449 Days

Day: 38.5 Hours

Environment

Temp: -2 °C

Axial Tilt: 44.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,214,808 km

• M1: 46,375 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.07 AU - 1.45 AU

Year: 522 Days

Day: 29.9 Hours

Environment

Temp: 9 °C

Axial Tilt: 13.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.23 AU - 1.53 AU

Year: 598 Days

Day: 35.7 Hours

Environment

Temp: -40 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.33 AU - 1.77 AU

Year: 712 Days

Day: 38 Hours

Environment

Temp: -38 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,214,808 km

• M1: 600,336 km (0.12 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.31 AU - 1.91 AU

Year: 754 Days

Day: 36.5 Hours

Environment

Temp: -48 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.78 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.5

Radius: 9.7

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.71 AU - 6.19 AU

Year: 5355 Days

Day: 11.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,214,808 km

• M1: 120,725 km (0.099 R)
• M2: 442,511 km (0.101 R)
• M3: 1,656,048 km (0.102 R)
• M4: 3,023,672 km (0.032 R)
• M5: 4,242,147 km (0.11 R)
• M6: 5,499,966 km (0.071 R)
• M7: 6,692,560 km (0.079 R)
• M8: 7,332,540 km (0.116 R)
• M9: 8,198,562 km (0.109 R)
• M10: 8,852,155 km (0.112 R)
• M11: 10,003,909 km (0.11 R)
• M12: 11,439,450 km (0.101 R)
• M13: 12,453,125 km (0.102 R)
• M14: 14,057,562 km (0.073 R)
• M15: 14,548,243 km (0.104 R)
• M16: 15,853,934 km (0.077 R)
• M17: 22,522,109 km (0.081 R)
• M18: 23,497,038 km (0.042 R)
• M19: 24,265,822 km (0.096 R)
• M20: 25,853,953 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.9

Radius: 5.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 12.63 AU - 15.91 AU

Year: 19889 Days

Day: 22.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,214,808 km

• M1: 69,563 km (0.088 R)
• M2: 253,718 km (0.111 R)
• M3: 522,845 km (0.115 R)
• M4: 821,891 km (0.119 R)
• M5: 1,072,916 km (0.104 R)
• M6: 2,702,635 km (0.097 R)
• M7: 2,951,267 km (0.048 R)
• M8: 3,814,895 km (0.083 R)
• M9: 5,753,833 km (0.117 R)
• M10: 6,415,205 km (0.119 R)
• M11: 7,887,697 km (0.072 R)
• M12: 8,309,713 km (0.096 R)
• M13: 12,245,035 km (0.115 R)
• M14: 13,216,822 km (0.07 R)
• M15: 19,840,268 km (0.082 R)
• M16: 20,462,296 km (0.054 R)
• M17: 23,166,128 km (0.1 R)
• M18: 23,337,268 km (0.097 R)
• M19: 26,563,795 km (0.043 R)
• M20: 29,570,263 km (0.092 R)
• M21: 32,367,145 km (0.103 R)
• M22: 34,105,023 km (0.118 R)
• M23: 34,437,729 km (0.065 R)
• M24: 37,177,315 km (0.117 R)
• M25: 39,690,709 km (0.082 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: 301 - 12,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit