🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.83 AU - 0.89 AU

Year: 288 Days

Day: 28.5 Hours

Environment

Temp: 108 °C

Axial Tilt: 42.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,736,339 km

• M1: 105,167 km (0.036 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.98 AU - 1.22 AU

Year: 417 Days

Day: 46.1 Hours

Environment

Temp: 17 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 86,736,339 km

• M1: 50,863 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.11 AU - 1.33 AU

Year: 487 Days

Day: 27.9 Hours

Environment

Temp: -4 °C

Axial Tilt: 15.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.03 AU - 2.79 AU

Year: 1353 Days

Day: 39 Hours

Environment

Temp: -88 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,736,339 km

• M1: 135,984 km (0.101 R)
• M2: 677,529 km (0.078 R)

Asteroid Belt

Center: 10.52 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 18.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.7

Radius: 5.7

Gravity: 14.8 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 17.32 AU - 19.92 AU

Year: 29058 Days

Day: 21.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,736,339 km

• M1: 70,909 km (0.047 R)
• M2: 535,411 km (0.107 R)
• M3: 1,167,163 km (0.091 R)
• M4: 1,408,913 km (0.085 R)
• M5: 1,912,908 km (0.107 R)
• M6: 2,652,669 km (0.113 R)
• M7: 2,910,726 km (0.108 R)
• M8: 3,598,876 km (0.086 R)
• M9: 3,948,187 km (0.1 R)
• M10: 4,216,266 km (0.109 R)
• M11: 5,172,346 km (0.105 R)
• M12: 5,659,138 km (0.103 R)
• M13: 8,127,353 km (0.056 R)
• M14: 9,068,773 km (0.104 R)
• M15: 10,329,583 km (0.111 R)
• M16: 10,518,675 km (0.064 R)
• M17: 11,100,312 km (0.117 R)
• M18: 12,186,542 km (0.112 R)
• M19: 15,785,268 km (0.066 R)
• M20: 16,205,339 km (0.11 R)
• M21: 18,326,487 km (0.081 R)
• M22: 19,936,459 km (0.102 R)
• M23: 20,526,473 km (0.071 R)
• M24: 23,434,656 km (0.077 R)
• M25: 23,652,321 km (0.108 R)
• M26: 24,424,844 km (0.071 R)
• M27: 27,201,231 km (0.117 R)
• M28: 31,616,612 km (0.094 R)
• M29: 41,356,481 km (0.081 R)
• M30: 45,280,732 km (0.056 R)
• M31: 45,958,111 km (0.109 R)
• M32: 50,526,082 km (0.09 R)
• M33: 54,429,390 km (0.082 R)
• M34: 55,387,415 km (0.113 R)
• M35: 60,143,430 km (0.062 R)
• M36: 69,108,382 km (0.066 R)
• M37: 71,366,861 km (0.075 R)
• M38: 72,283,746 km (0.098 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 11,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit