🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.3

Radius: 14

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.6 AU - 0.96 AU

Year: 484 Days

Day: 9.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,155,904 km

• M1: 174,132 km (0.114 R)
• M2: 616,194 km (0.063 R)
• M3: 1,092,812 km (0.104 R)
• M4: 1,879,996 km (0.12 R)
• M5: 2,607,790 km (0.105 R)
• M6: 3,098,022 km (0.12 R)
• M7: 4,474,173 km (0.045 R)
• M8: 5,355,604 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.2

Radius: 14.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.36 AU - 1.96 AU

Year: 1503 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,155,904 km

• M1: 184,454 km (0.03 R)
• M2: 815,907 km (0.095 R)
• M3: 1,360,892 km (0.069 R)
• M4: 1,893,011 km (0.059 R)
• M5: 3,209,174 km (0.091 R)
• M6: 3,872,640 km (0.088 R)
• M7: 4,926,407 km (0.074 R)
• M8: 5,859,300 km (0.111 R)
• M9: 6,602,801 km (0.071 R)
• M10: 7,381,608 km (0.108 R)
• M11: 8,105,512 km (0.054 R)
• M12: 9,663,274 km (0.103 R)
• M13: 10,703,279 km (0.083 R)
• M14: 11,304,513 km (0.064 R)
• M15: 12,613,793 km (0.081 R)
• M16: 13,205,004 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 13.9

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.51 AU - 1.89 AU

Year: 1558 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,155,904 km

• M1: 172,935 km (0.092 R)
• M2: 745,297 km (0.117 R)
• M3: 1,208,601 km (0.089 R)
• M4: 2,198,939 km (0.095 R)
• M5: 3,033,097 km (0.091 R)
• M6: 3,677,265 km (0.078 R)
• M7: 5,003,600 km (0.116 R)
• M8: 5,579,253 km (0.073 R)
• M9: 9,775,473 km (0.07 R)
• M10: 10,750,103 km (0.095 R)
• M11: 12,136,277 km (0.077 R)
• M12: 13,097,144 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.7

Radius: 15

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.9 AU - 2.02 AU

Year: 1929 Days

Day: 5.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,155,904 km

• M1: 186,549 km (0.097 R)
• M2: 721,810 km (0.064 R)
• M3: 1,209,648 km (0.108 R)
• M4: 1,754,334 km (0.119 R)
• M5: 2,401,644 km (0.092 R)
• M6: 3,191,072 km (0.102 R)
• M7: 3,792,456 km (0.109 R)
• M8: 4,685,705 km (0.099 R)
• M9: 5,511,485 km (0.057 R)
• M10: 6,138,599 km (0.118 R)
• M11: 6,761,674 km (0.093 R)
• M12: 7,344,507 km (0.088 R)
• M13: 9,853,114 km (0.076 R)
• M14: 11,319,921 km (0.046 R)
• M15: 12,067,761 km (0.112 R)
• M16: 14,467,311 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.1

Radius: 12.6

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.81 AU - 2.45 AU

Year: 2185 Days

Day: 8.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 120.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,155,904 km

• M1: 156,779 km (0.086 R)
• M2: 585,077 km (0.081 R)
• M3: 1,247,197 km (0.031 R)
• M4: 2,264,912 km (0.095 R)
• M5: 3,253,155 km (0.068 R)
• M6: 3,973,170 km (0.077 R)
• M7: 4,410,893 km (0.102 R)
• M8: 4,902,173 km (0.061 R)
• M9: 5,660,634 km (0.107 R)
• M10: 6,419,095 km (0.064 R)
• M11: 7,051,894 km (0.117 R)
• M12: 8,289,667 km (0.097 R)
• M13: 8,754,019 km (0.1 R)
• M14: 9,367,220 km (0.11 R)
• M15: 10,008,696 km (0.059 R)
• M16: 11,007,561 km (0.097 R)
• M17: 12,588,362 km (0.047 R)
• M18: 13,203,059 km (0.106 R)
• M19: 13,666,513 km (0.114 R)
• M20: 14,228,104 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.7

Radius: 13.8

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.73 AU - 2.81 AU

Year: 2404 Days

Day: 14.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,155,904 km

• M1: 171,589 km (0.081 R)
• M2: 708,346 km (0.107 R)
• M3: 1,264,401 km (0.082 R)
• M4: 2,360,505 km (0.119 R)
• M5: 4,144,310 km (0.073 R)
• M6: 6,603,549 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.8

Radius: 9.3

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.02 AU - 5.2 AU

Year: 6958 Days

Day: 5.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 100 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,155,904 km

• M1: 115,789 km (0.078 R)
• M2: 410,197 km (0.062 R)
• M3: 820,993 km (0.082 R)
• M4: 1,247,197 km (0.048 R)
• M5: 1,654,253 km (0.08 R)
• M6: 3,475,458 km (0.067 R)
• M7: 4,555,554 km (0.04 R)
• M8: 5,066,431 km (0.102 R)
• M9: 5,390,909 km (0.093 R)
• M10: 6,294,330 km (0.11 R)
• M11: 7,060,421 km (0.043 R)
• M12: 7,639,814 km (0.088 R)
• M13: 10,194,048 km (0.05 R)
• M14: 11,850,695 km (0.118 R)
• M15: 13,940,577 km (0.118 R)
• M16: 15,746,522 km (0.069 R)
• M17: 17,033,812 km (0.113 R)
• M18: 17,826,681 km (0.07 R)
• M19: 18,138,143 km (0.099 R)
• M20: 21,315,752 km (0.094 R)
• M21: 24,461,645 km (0.118 R)
• M22: 26,426,165 km (0.059 R)
• M23: 26,912,956 km (0.105 R)
• M24: 27,323,153 km (0.096 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: 307 - 11,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit