🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.5

Radius: 14.1

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.51 AU - 0.65 AU

Year: 300 Days

Day: 14.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 8,678,339 km

• M1: 175,329 km (0.12 R)
• M2: 640,877 km (0.113 R)
• M3: 1,120,937 km (0.115 R)
• M4: 1,712,596 km (0.105 R)
• M5: 2,269,250 km (0.028 R)
• M6: 2,789,252 km (0.114 R)
• M7: 3,466,631 km (0.082 R)
• M8: 4,226,289 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.5

Radius: 14.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.77 AU - 0.83 AU

Year: 485 Days

Day: 6 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 8,678,339 km

• M1: 176,525 km (0.093 R)
• M2: 619,485 km (0.118 R)
• M3: 1,064,538 km (0.062 R)
• M4: 1,631,066 km (0.025 R)
• M5: 2,616,467 km (0.1 R)
• M6: 3,407,241 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.9

Radius: 14.2

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.74 AU - 0.96 AU

Year: 532 Days

Day: 13.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 8,678,339 km

• M1: 176,525 km (0.103 R)
• M2: 637,885 km (0.089 R)
• M3: 1,127,519 km (0.1 R)
• M4: 1,610,720 km (0.08 R)
• M5: 2,105,440 km (0.093 R)
• M6: 2,648,481 km (0.041 R)
• M7: 3,449,876 km (0.104 R)
• M8: 5,324,787 km (0.104 R)
• M9: 6,706,622 km (0.12 R)
• M10: 7,188,327 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.5

Radius: 10

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.95 AU - 1.15 AU

Year: 730 Days

Day: 9.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 8,678,339 km

• M1: 124,316 km (0.097 R)
• M2: 448,644 km (0.095 R)
• M3: 793,766 km (0.119 R)
• M4: 1,154,447 km (0.029 R)
• M5: 1,603,839 km (0.112 R)
• M6: 2,000,273 km (0.117 R)
• M7: 2,354,670 km (0.115 R)
• M8: 2,666,133 km (0.102 R)
• M9: 3,485,780 km (0.116 R)
• M10: 3,811,754 km (0.111 R)
• M11: 4,376,037 km (0.112 R)
• M12: 5,445,063 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.9

Radius: 11.4

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.09 AU - 1.37 AU

Year: 925 Days

Day: 13.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 8,678,339 km

• M1: 141,819 km (0.025 R)
• M2: 574,157 km (0.058 R)
• M3: 1,274,125 km (0.084 R)
• M4: 1,722,619 km (0.106 R)
• M5: 2,595,972 km (0.062 R)
• M6: 2,958,298 km (0.102 R)
• M7: 3,572,996 km (0.034 R)
• M8: 4,023,884 km (0.048 R)
• M9: 5,880,244 km (0.066 R)
• M10: 7,860,770 km (0.063 R)
• M11: 8,399,771 km (0.079 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 19,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit