🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.73 AU - 0.87 AU

Year: 263 Days

Day: 17.6 Hours

Environment

Temp: 175 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.77 AU - 1.21 AU

Year: 362 Days

Day: 43.8 Hours

Environment

Temp: 27 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.95 AU - 1.21 AU

Year: 412 Days

Day: 16.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 46.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.98 AU - 1.42 AU

Year: 483 Days

Day: 37.8 Hours

Environment

Temp: 6 °C

Axial Tilt: 3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.79 AU - 1.99 AU

Year: 954 Days

Day: 29.1 Hours

Environment

Temp: -59 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.86 AU - 2.7 AU

Year: 1264 Days

Day: 41.5 Hours

Environment

Temp: -77 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,802,927 km

• M1: 1,419,085 km (0.115 R)

Asteroid Belt

Center: 7.78 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.2

Radius: 4.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 10.03 AU - 16.51 AU

Year: 17745 Days

Day: 24.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 28,802,927 km

• M1: 168,298 km (0.059 R)
• M2: 329,115 km (0.106 R)
• M3: 1,060,948 km (0.115 R)
• M4: 1,234,781 km (0.099 R)
• M5: 1,544,598 km (0.077 R)
• M6: 1,641,986 km (0.108 R)
• M7: 1,946,567 km (0.079 R)
• M8: 2,323,704 km (0.115 R)
• M9: 2,626,041 km (0.109 R)
• M10: 3,163,995 km (0.111 R)
• M11: 3,392,581 km (0.11 R)
• M12: 3,844,067 km (0.112 R)
• M13: 4,043,182 km (0.084 R)
• M14: 4,223,148 km (0.074 R)
• M15: 5,210,045 km (0.093 R)
• M16: 5,703,868 km (0.116 R)
• M17: 7,110,387 km (0.116 R)
• M18: 9,585,184 km (0.065 R)
• M19: 10,218,731 km (0.115 R)
• M20: 11,021,773 km (0.107 R)
• M21: 11,335,928 km (0.07 R)
• M22: 13,818,505 km (0.103 R)
• M23: 14,123,236 km (0.076 R)
• M24: 15,997,547 km (0.116 R)
• M25: 16,210,575 km (0.114 R)
• M26: 16,567,815 km (0.1 R)
• M27: 17,618,141 km (0.116 R)
• M28: 17,838,200 km (0.085 R)
• M29: 19,252,498 km (0.116 R)
• M30: 19,934,963 km (0.078 R)
• M31: 23,705,877 km (0.091 R)
• M32: 25,630,154 km (0.114 R)
• M33: 27,179,988 km (0.106 R)
• M34: 28,587,555 km (0.09 R)
• M35: 28,630,639 km (0.062 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 12,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit