🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.3

Radius: 12.7

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.46 AU - 0.64 AU

Year: 272 Days

Day: 12.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,729,959 km

• M1: 158,424 km (0.066 R)
• M2: 580,141 km (0.119 R)
• M3: 1,436,289 km (0.12 R)
• M4: 2,045,751 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.2

Radius: 14.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.83 AU - 1.83 AU

Year: 1651 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,729,959 km

• M1: 185,352 km (0.061 R)
• M2: 682,316 km (0.079 R)
• M3: 1,152,652 km (0.115 R)
• M4: 1,727,706 km (0.101 R)
• M5: 2,374,118 km (0.098 R)
• M6: 3,121,659 km (0.101 R)
• M7: 4,039,741 km (0.085 R)
• M8: 4,753,921 km (0.078 R)
• M9: 5,572,820 km (0.119 R)
• M10: 6,108,081 km (0.116 R)
• M11: 7,051,894 km (0.086 R)
• M12: 7,519,387 km (0.112 R)
• M13: 8,720,808 km (0.109 R)
• M14: 9,758,568 km (0.09 R)
• M15: 10,506,408 km (0.095 R)
• M16: 11,397,413 km (0.104 R)
• M17: 12,638,178 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.1

Radius: 9.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.54 AU - 6.3 AU

Year: 8415 Days

Day: 9.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,729,959 km

• M1: 122,670 km (0.072 R)
• M2: 575,653 km (0.115 R)
• M3: 1,342,042 km (0.093 R)
• M4: 2,269,998 km (0.115 R)
• M5: 3,972,422 km (0.107 R)
• M6: 5,847,930 km (0.054 R)
• M7: 6,908,878 km (0.105 R)
• M8: 15,016,784 km (0.118 R)
• M9: 17,381,178 km (0.089 R)
• M10: 19,485,571 km (0.111 R)
• M11: 21,377,087 km (0.103 R)
• M12: 23,387,982 km (0.044 R)
• M13: 25,776,012 km (0.114 R)
• M14: 26,203,563 km (0.101 R)
• M15: 28,231,811 km (0.111 R)
• M16: 32,697,607 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.6

Radius: 6.1

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.5 AU - 11.8 AU

Year: 21564 Days

Day: 22.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,729,959 km

• M1: 75,996 km (0.085 R)
• M2: 368,609 km (0.116 R)
• M3: 645,664 km (0.113 R)
• M4: 967,898 km (0.085 R)
• M5: 1,230,293 km (0.082 R)
• M6: 1,763,161 km (0.059 R)
• M7: 3,618,772 km (0.074 R)
• M8: 4,999,860 km (0.105 R)
• M9: 7,038,430 km (0.119 R)
• M10: 8,312,555 km (0.119 R)
• M11: 9,003,997 km (0.069 R)
• M12: 9,894,403 km (0.12 R)
• M13: 10,784,810 km (0.049 R)
• M14: 20,525,576 km (0.039 R)
• M15: 24,854,190 km (0.043 R)
• M16: 28,200,246 km (0.069 R)
• M17: 29,192,828 km (0.07 R)
• M18: 31,130,719 km (0.085 R)
• M19: 31,834,726 km (0.079 R)
• M20: 32,309,999 km (0.04 R)
• M21: 39,879,202 km (0.033 R)
• M22: 54,412,336 km (0.104 R)
• M23: 56,640,297 km (0.087 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: 351 - 12,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit