🌌 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: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.54 AU - 0.6 AU

Year: 180 Days

Day: 20 Hours

Environment

Temp: 98 °C

Axial Tilt: 12.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.86 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 10.9

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.85 AU - 3.43 AU

Year: 2331 Days

Day: 5.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,759,793 km

• M1: 136,284 km (0.109 R)
• M2: 1,021,903 km (0.113 R)
• M3: 1,408,165 km (0.108 R)
• M4: 1,869,674 km (0.116 R)
• M5: 3,236,849 km (0.101 R)
• M6: 4,150,743 km (0.084 R)
• M7: 4,570,215 km (0.094 R)
• M8: 4,948,847 km (0.051 R)
• M9: 5,820,554 km (0.106 R)
• M10: 6,539,222 km (0.113 R)
• M11: 7,773,554 km (0.067 R)
• M12: 8,446,296 km (0.113 R)
• M13: 13,013,968 km (0.062 R)
• M14: 13,370,010 km (0.071 R)
• M15: 14,477,484 km (0.066 R)
• M16: 15,151,123 km (0.068 R)
• M17: 17,892,354 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16

Radius: 12.3

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.93 AU - 5.19 AU

Year: 4080 Days

Day: 13 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,759,793 km

• M1: 160,967 km (0.048 R)
• M2: 839,394 km (0.086 R)
• M3: 1,428,959 km (0.044 R)
• M4: 2,295,131 km (0.076 R)
• M5: 4,359,731 km (0.087 R)
• M6: 5,116,696 km (0.067 R)
• M7: 7,017,935 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.2

Radius: 11.7

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.91 AU - 6.27 AU

Year: 5537 Days

Day: 12.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,759,793 km

• M1: 145,559 km (0.076 R)
• M2: 568,771 km (0.071 R)
• M3: 932,743 km (0.102 R)
• M4: 1,879,248 km (0.069 R)
• M5: 2,376,961 km (0.077 R)
• M6: 3,258,391 km (0.081 R)
• M7: 3,685,194 km (0.116 R)
• M8: 5,934,697 km (0.062 R)
• M9: 6,641,547 km (0.054 R)
• M10: 7,548,260 km (0.047 R)
• M11: 7,993,912 km (0.111 R)
• M12: 8,655,134 km (0.075 R)
• M13: 9,143,571 km (0.119 R)
• M14: 10,175,946 km (0.107 R)
• M15: 10,628,330 km (0.095 R)
• M16: 11,236,595 km (0.067 R)
• M17: 12,780,894 km (0.12 R)
• M18: 13,469,044 km (0.096 R)
• M19: 14,070,428 km (0.118 R)
• M20: 14,462,374 km (0.079 R)
• M21: 22,752,191 km (0.096 R)
• M22: 24,641,761 km (0.09 R)
• M23: 25,541,892 km (0.1 R)
• M24: 27,844,053 km (0.062 R)
• M25: 28,285,217 km (0.071 R)
• M26: 32,176,258 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 15,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit