🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.57 AU - 0.73 AU

Year: 196 Days

Day: 47.9 Hours

Environment

Temp: 204 °C

Axial Tilt: 28.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,023,456 km

• M1: 90,058 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.71 AU - 0.85 AU

Year: 258 Days

Day: 12.1 Hours

Environment

Temp: 107 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.64 AU - 1 AU

Year: 278 Days

Day: 46.5 Hours

Environment

Temp: 114 °C

Axial Tilt: 13 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,023,456 km

• M1: 85,869 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.05 AU - 1.13 AU

Year: 426 Days

Day: 30.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 31.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 42,023,456 km

• M1: 35,903 km (0.049 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.28 AU - 1.34 AU

Year: 562 Days

Day: 45.9 Hours

Environment

Temp: -39 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,023,456 km

• M1: 557,701 km (0.051 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.49 AU - 2.33 AU

Year: 989 Days

Day: 39 Hours

Environment

Temp: -80 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,023,456 km

• M1: 72,106 km (0.059 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.12 AU - 2.92 AU

Year: 1499 Days

Day: 26.5 Hours

Environment

Temp: -92 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.24 AU - 3.26 AU

Year: 2196 Days

Day: 14.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 43.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Ice Giant

Semi-Major Axis: 13.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.1

Radius: 5.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 12.45 AU - 14.79 AU

Year: 18836 Days

Day: 20.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,023,456 km

• M1: 122,371 km (0.099 R)
• M2: 374,593 km (0.063 R)
• M3: 534,962 km (0.103 R)
• M4: 1,004,400 km (0.116 R)
• M5: 1,956,591 km (0.091 R)
• M6: 2,293,934 km (0.116 R)
• M7: 2,913,269 km (0.061 R)
• M8: 3,711,374 km (0.1 R)
• M9: 5,728,252 km (0.068 R)
• M10: 6,345,792 km (0.06 R)
• M11: 6,818,521 km (0.087 R)
• M12: 9,081,488 km (0.09 R)
• M13: 12,071,950 km (0.074 R)
• M14: 17,343,928 km (0.086 R)
• M15: 17,553,665 km (0.033 R)
• M16: 19,070,737 km (0.091 R)
• M17: 20,361,018 km (0.099 R)
• M18: 21,146,706 km (0.072 R)
• M19: 24,055,637 km (0.052 R)
• M20: 27,314,926 km (0.051 R)
• M21: 37,419,514 km (0.106 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 12,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit