🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367

Radius: 14.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.82 AU - 0.84 AU

Year: 504 Days

Day: 8 Hours

Environment

Temp: -163 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 13,753,640 km

• M1: 185,352 km (0.108 R)
• M2: 671,545 km (0.108 R)
• M3: 1,529,638 km (0.104 R)
• M4: 2,436,501 km (0.103 R)
• M5: 3,527,518 km (0.12 R)
• M6: 4,024,482 km (0.089 R)
• M7: 4,499,455 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.8

Radius: 9.4

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.78 AU - 1.12 AU

Year: 617 Days

Day: 7.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,753,640 km

• M1: 116,986 km (0.032 R)
• M2: 450,290 km (0.07 R)
• M3: 920,326 km (0.104 R)
• M4: 1,408,614 km (0.088 R)
• M5: 1,797,718 km (0.027 R)
• M6: 2,163,484 km (0.104 R)
• M7: 2,642,497 km (0.103 R)
• M8: 3,731,569 km (0.044 R)
• M9: 4,139,672 km (0.114 R)
• M10: 4,640,077 km (0.063 R)
• M11: 5,265,845 km (0.098 R)
• M12: 5,817,113 km (0.112 R)
• M13: 7,034,690 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.4

Radius: 8.3

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.76 AU - 1.26 AU

Year: 677 Days

Day: 11.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,753,640 km

• M1: 103,223 km (0.11 R)
• M2: 362,775 km (0.09 R)
• M3: 848,818 km (0.069 R)
• M4: 1,439,730 km (0.09 R)
• M5: 1,854,415 km (0.118 R)
• M6: 2,134,911 km (0.111 R)
• M7: 2,473,451 km (0.096 R)
• M8: 2,858,516 km (0.106 R)
• M9: 3,567,909 km (0.116 R)
• M10: 4,404,610 km (0.116 R)
• M11: 5,166,512 km (0.102 R)
• M12: 5,433,544 km (0.092 R)
• M13: 5,905,226 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.1

Radius: 14.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.95 AU - 1.53 AU

Year: 921 Days

Day: 12.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 139.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,753,640 km

• M1: 184,155 km (0.11 R)
• M2: 749,336 km (0.075 R)
• M3: 1,634,656 km (0.088 R)
• M4: 3,189,277 km (0.037 R)
• M5: 3,749,671 km (0.087 R)
• M6: 4,706,798 km (0.064 R)
• M7: 6,223,271 km (0.117 R)
• M8: 7,256,544 km (0.081 R)
• M9: 7,791,805 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679

Radius: 15

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.53 AU - 1.97 AU

Year: 1544 Days

Day: 9.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 13,753,640 km

• M1: 187,297 km (0.076 R)
• M2: 868,266 km (0.032 R)
• M3: 1,472,941 km (0.094 R)
• M4: 2,149,721 km (0.048 R)
• M5: 2,672,716 km (0.093 R)
• M6: 3,726,483 km (0.102 R)
• M7: 4,285,381 km (0.089 R)
• M8: 5,507,894 km (0.107 R)
• M9: 7,343,311 km (0.069 R)
• M10: 8,636,584 km (0.118 R)
• M11: 9,337,899 km (0.116 R)
• M12: 10,613,819 km (0.063 R)
• M13: 11,383,351 km (0.119 R)
• M14: 12,645,658 km (0.083 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 18,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit