🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.45 AU - 0.69 AU

Year: 158 Days

Day: 36.9 Hours

Environment

Temp: 208 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 58,664,360 km

• M1: 16,157 km (0.085 R)
• M2: 139,724 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.76 AU - 1.06 AU

Year: 319 Days

Day: 16.6 Hours

Environment

Temp: 128 °C

Axial Tilt: 11.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 58,664,360 km

• M1: 106,813 km (0.116 R)
• M2: 709,842 km (0.058 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.87 AU - 1.03 AU

Year: 340 Days

Day: 18.7 Hours

Environment

Temp: 23 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 58,664,360 km

• M1: 64,925 km (0.085 R)
• M2: 650,152 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.21 AU - 3.97 AU

Year: 2497 Days

Day: 27.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.43 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 13.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.8

Radius: 4.3

Gravity: 21.57 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 11.43 AU - 15.11 AU

Year: 17745 Days

Day: 23.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,664,360 km

• M1: 53,406 km (0.065 R)
• M2: 200,910 km (0.104 R)
• M3: 529,427 km (0.095 R)
• M4: 766,539 km (0.075 R)
• M5: 1,107,623 km (0.108 R)
• M6: 2,523,566 km (0.118 R)
• M7: 4,616,590 km (0.1 R)
• M8: 4,778,754 km (0.049 R)
• M9: 4,978,468 km (0.116 R)
• M10: 5,288,285 km (0.087 R)
• M11: 7,292,298 km (0.076 R)
• M12: 8,294,604 km (0.061 R)
• M13: 8,928,300 km (0.055 R)
• M14: 10,680,839 km (0.032 R)
• M15: 16,373,337 km (0.109 R)
• M16: 16,980,555 km (0.053 R)
• M17: 17,999,017 km (0.079 R)
• M18: 18,645,729 km (0.1 R)
• M19: 23,997,144 km (0.104 R)
• M20: 26,190,698 km (0.119 R)
• M21: 27,974,503 km (0.086 R)
• M22: 33,687,645 km (0.112 R)
• M23: 37,073,793 km (0.056 R)
• M24: 39,859,156 km (0.114 R)
• M25: 45,991,322 km (0.115 R)
• M26: 46,742,752 km (0.048 R)
• M27: 47,808,488 km (0.11 R)
• M28: 48,115,911 km (0.074 R)
• M29: 57,096,122 km (0.1 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 19,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit