🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.5 AU - 1.92 AU

Year: 790 Days

Day: 33 Hours

Environment

Temp: -40 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.12 AU - 5.28 AU

Year: 3598 Days

Day: 38.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.81 AU - 5.17 AU

Year: 3936 Days

Day: 14 Hours

Environment

Temp: -127 °C

Axial Tilt: 175.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.2

Radius: 10.2

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.79 AU - 11.05 AU

Year: 9407 Days

Day: 6.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,009,303 km

• M1: 126,859 km (0.11 R)
• M2: 532,419 km (0.092 R)
• M3: 1,074,113 km (0.095 R)
• M4: 1,655,001 km (0.07 R)
• M5: 2,792,394 km (0.112 R)
• M6: 3,817,588 km (0.113 R)
• M7: 4,502,896 km (0.092 R)
• M8: 5,563,994 km (0.11 R)
• M9: 5,940,831 km (0.107 R)
• M10: 6,408,174 km (0.092 R)
• M11: 7,705,338 km (0.099 R)
• M12: 9,029,578 km (0.037 R)
• M13: 10,193,599 km (0.108 R)
• M14: 10,759,378 km (0.073 R)
• M15: 11,509,611 km (0.083 R)
• M16: 13,054,658 km (0.11 R)
• M17: 14,095,710 km (0.115 R)
• M18: 16,833,351 km (0.106 R)
• M19: 21,534,314 km (0.036 R)
• M20: 24,592,394 km (0.099 R)
• M21: 25,987,394 km (0.084 R)
• M22: 27,336,318 km (0.11 R)
• M23: 28,832,895 km (0.08 R)
• M24: 29,446,546 km (0.099 R)
• M25: 37,142,907 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.6

Radius: 6.7

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 14.1 AU - 16.52 AU

Year: 21152 Days

Day: 24.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,009,303 km

• M1: 83,924 km (0.081 R)
• M2: 329,564 km (0.038 R)
• M3: 746,045 km (0.103 R)
• M4: 1,815,520 km (0.1 R)
• M5: 2,513,992 km (0.091 R)
• M6: 3,263,627 km (0.058 R)
• M7: 4,207,291 km (0.065 R)
• M8: 4,801,044 km (0.062 R)
• M9: 6,473,997 km (0.093 R)
• M10: 6,805,207 km (0.028 R)
• M11: 9,971,147 km (0.085 R)
• M12: 12,368,303 km (0.117 R)
• M13: 17,548,578 km (0.112 R)
• M14: 17,832,964 km (0.098 R)
• M15: 18,338,006 km (0.039 R)
• M16: 19,833,536 km (0.116 R)
• M17: 41,860,775 km (0.064 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 14,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit