🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.6

Radius: 10.7

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.75 AU - 0.85 AU

Year: 503 Days

Day: 12.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,256,608 km

• M1: 132,993 km (0.112 R)
• M2: 500,255 km (0.084 R)
• M3: 1,170,454 km (0.102 R)
• M4: 1,650,663 km (0.101 R)
• M5: 2,250,700 km (0.098 R)
• M6: 3,094,282 km (0.091 R)
• M7: 3,621,465 km (0.07 R)
• M8: 4,010,121 km (0.094 R)
• M9: 4,715,325 km (0.118 R)
• M10: 5,163,670 km (0.106 R)
• M11: 5,518,366 km (0.12 R)
• M12: 5,871,417 km (0.091 R)
• M13: 6,277,276 km (0.118 R)
• M14: 6,662,341 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.3

Radius: 13.4

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.15 AU - 1.61 AU

Year: 1140 Days

Day: 9.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,256,608 km

• M1: 166,652 km (0.117 R)
• M2: 663,467 km (0.069 R)
• M3: 1,092,812 km (0.063 R)
• M4: 1,533,079 km (0.109 R)
• M5: 2,044,255 km (0.107 R)
• M6: 3,405,446 km (0.112 R)
• M7: 4,173,631 km (0.118 R)
• M8: 4,652,643 km (0.079 R)
• M9: 5,073,612 km (0.114 R)
• M10: 5,539,908 km (0.093 R)
• M11: 6,013,834 km (0.105 R)
• M12: 6,559,567 km (0.093 R)
• M13: 7,019,880 km (0.098 R)
• M14: 7,600,769 km (0.1 R)
• M15: 8,640,324 km (0.074 R)
• M16: 9,772,481 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470

Radius: 14.6

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.89 AU - 2.75 AU

Year: 2484 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,256,608 km

• M1: 181,612 km (0.117 R)
• M2: 641,176 km (0.076 R)
• M3: 1,124,527 km (0.025 R)
• M4: 1,717,683 km (0.119 R)
• M5: 2,627,687 km (0.106 R)
• M6: 3,209,622 km (0.087 R)
• M7: 3,786,621 km (0.115 R)
• M8: 5,195,983 km (0.116 R)
• M9: 6,452,455 km (0.099 R)
• M10: 7,435,164 km (0.113 R)
• M11: 7,933,025 km (0.111 R)
• M12: 8,673,685 km (0.051 R)
• M13: 10,365,337 km (0.077 R)
• M14: 11,557,782 km (0.078 R)
• M15: 12,633,690 km (0.107 R)
• M16: 13,645,121 km (0.112 R)
• M17: 15,123,148 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.7

Radius: 4

Gravity: 58.48 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.7 AU - 6.5 AU

Year: 10590 Days

Day: 18.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,256,608 km

• M1: 49,816 km (0.085 R)
• M2: 366,365 km (0.077 R)
• M3: 1,301,053 km (0.045 R)
• M4: 1,758,972 km (0.056 R)
• M5: 2,069,986 km (0.11 R)
• M6: 3,299,381 km (0.093 R)
• M7: 3,744,435 km (0.098 R)
• M8: 4,816,902 km (0.111 R)
• M9: 6,992,055 km (0.031 R)
• M10: 7,947,387 km (0.103 R)
• M11: 8,409,196 km (0.102 R)
• M12: 11,445,883 km (0.084 R)
• M13: 11,678,807 km (0.109 R)
• M14: 16,877,931 km (0.063 R)
• M15: 19,394,317 km (0.092 R)
• M16: 20,741,595 km (0.117 R)
• M17: 24,476,007 km (0.117 R)
• M18: 53,616,924 km (0.061 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 12,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit