🌌 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: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.58 AU - 0.74 AU

Year: 202 Days

Day: 29.8 Hours

Environment

Temp: 121 °C

Axial Tilt: 8.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,446,584 km

• M1: 250,876 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1 AU - 1.34 AU

Year: 477 Days

Day: 20.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 36.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.6 AU - 2.62 AU

Year: 1155 Days

Day: 18.9 Hours

Environment

Temp: -80 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,446,584 km

• M1: 175,030 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.19 AU - 3.45 AU

Year: 1784 Days

Day: 14.6 Hours

Environment

Temp: -99 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,446,584 km

• M1: 361,129 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.9

Radius: 9.2

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 9.55 AU - 11.91 AU

Year: 13241 Days

Day: 13.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,446,584 km

• M1: 227,688 km (0.106 R)
• M2: 555,307 km (0.117 R)
• M3: 1,608,476 km (0.045 R)
• M4: 8,449,737 km (0.062 R)
• M5: 10,542,012 km (0.085 R)
• M6: 11,496,297 km (0.098 R)
• M7: 15,038,476 km (0.102 R)
• M8: 19,849,693 km (0.083 R)
• M9: 24,029,906 km (0.11 R)
• M10: 24,962,649 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.5

Radius: 6.5

Gravity: 17.17 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 10.67 AU - 14.99 AU

Year: 17313 Days

Day: 15.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,446,584 km

• M1: 82,129 km (0.096 R)
• M2: 526,435 km (0.087 R)
• M3: 1,814,772 km (0.096 R)
• M4: 2,518,779 km (0.087 R)
• M5: 2,895,616 km (0.073 R)
• M6: 3,175,963 km (0.112 R)
• M7: 7,293,495 km (0.115 R)
• M8: 7,911,483 km (0.034 R)
• M9: 9,525,196 km (0.079 R)
• M10: 11,597,425 km (0.082 R)
• M11: 17,342,582 km (0.061 R)
• M12: 18,874,763 km (0.09 R)
• M13: 21,149,698 km (0.085 R)
• M14: 24,010,009 km (0.067 R)
• M15: 30,243,902 km (0.092 R)
• M16: 31,831,136 km (0.11 R)
• M17: 32,708,378 km (0.093 R)
• M18: 33,089,254 km (0.057 R)
• M19: 38,736,424 km (0.063 R)
• M20: 39,880,399 km (0.103 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 20,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit