🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 13.2

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.83 AU - 1.07 AU

Year: 607 Days

Day: 12.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,515,949 km

• M1: 164,109 km (0.034 R)
• M2: 618,138 km (0.091 R)
• M3: 1,283,699 km (0.088 R)
• M4: 1,699,881 km (0.069 R)
• M5: 2,244,417 km (0.093 R)
• M6: 2,882,601 km (0.091 R)
• M7: 3,438,657 km (0.101 R)
• M8: 4,495,715 km (0.114 R)
• M9: 5,330,471 km (0.119 R)
• M10: 5,741,417 km (0.045 R)
• M11: 6,473,549 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.7

Radius: 9.6

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.25 AU - 1.91 AU

Year: 1303 Days

Day: 9.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,515,949 km

• M1: 119,379 km (0.116 R)
• M2: 495,319 km (0.043 R)
• M3: 815,458 km (0.115 R)
• M4: 1,166,714 km (0.102 R)
• M5: 1,862,942 km (0.072 R)
• M6: 2,233,945 km (0.057 R)
• M7: 2,537,928 km (0.05 R)
• M8: 3,291,004 km (0.114 R)
• M9: 3,769,866 km (0.107 R)
• M10: 4,096,887 km (0.094 R)
• M11: 4,652,045 km (0.053 R)
• M12: 5,822,050 km (0.116 R)
• M13: 6,720,834 km (0.051 R)
• M14: 7,360,963 km (0.109 R)
• M15: 7,709,526 km (0.09 R)
• M16: 8,267,526 km (0.049 R)
• M17: 8,615,042 km (0.089 R)
• M18: 9,495,276 km (0.112 R)
• M19: 10,006,003 km (0.106 R)
• M20: 10,434,302 km (0.106 R)
• M21: 11,152,222 km (0.114 R)
• M22: 12,421,261 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205

Radius: 14.8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.84 AU - 3.92 AU

Year: 4076 Days

Day: 7.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,515,949 km

• M1: 185,053 km (0.06 R)
• M2: 771,925 km (0.107 R)
• M3: 1,234,781 km (0.081 R)
• M4: 1,741,918 km (0.066 R)
• M5: 2,223,623 km (0.104 R)
• M6: 3,247,321 km (0.073 R)
• M7: 4,908,306 km (0.106 R)
• M8: 7,484,082 km (0.078 R)
• M9: 9,014,768 km (0.047 R)
• M10: 10,670,966 km (0.07 R)
• M11: 14,305,147 km (0.053 R)
• M12: 15,616,372 km (0.051 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.1

Radius: 7.5

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.72 AU - 9.34 AU

Year: 16343 Days

Day: 22.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,515,949 km

• M1: 95,892 km (0.067 R)
• M2: 336,146 km (0.075 R)
• M3: 685,457 km (0.029 R)
• M4: 2,284,509 km (0.04 R)
• M5: 4,018,648 km (0.044 R)
• M6: 5,135,695 km (0.116 R)
• M7: 5,489,943 km (0.089 R)
• M8: 7,115,324 km (0.072 R)
• M9: 8,836,597 km (0.076 R)
• M10: 12,820,986 km (0.105 R)
• M11: 21,175,579 km (0.072 R)
• M12: 27,144,384 km (0.113 R)
• M13: 32,802,624 km (0.045 R)
• M14: 33,775,459 km (0.085 R)
• M15: 39,471,548 km (0.056 R)
• M16: 46,229,183 km (0.063 R)
• M17: 49,324,512 km (0.064 R)
• M18: 50,922,816 km (0.045 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 17,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit