🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.1

Radius: 10.9

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.54 AU - 0.64 AU

Year: 313 Days

Day: 11.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,969,608 km

• M1: 135,536 km (0.082 R)
• M2: 610,659 km (0.097 R)
• M3: 1,101,340 km (0.091 R)
• M4: 1,460,973 km (0.078 R)
• M5: 2,124,439 km (0.104 R)
• M6: 2,721,933 km (0.115 R)
• M7: 3,328,553 km (0.025 R)
• M8: 3,898,969 km (0.039 R)
• M9: 4,769,330 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.7

Radius: 13.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.34 AU - 1.86 AU

Year: 1397 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,969,608 km

• M1: 169,195 km (0.048 R)
• M2: 972,237 km (0.091 R)
• M3: 1,845,888 km (0.047 R)
• M4: 2,350,033 km (0.117 R)
• M5: 3,000,634 km (0.119 R)
• M6: 3,658,416 km (0.097 R)
• M7: 4,796,407 km (0.045 R)
• M8: 5,763,408 km (0.104 R)
• M9: 7,027,061 km (0.115 R)
• M10: 8,110,748 km (0.111 R)
• M11: 9,848,477 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.1

Radius: 12.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.24 AU - 1.96 AU

Year: 1397 Days

Day: 14.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,969,608 km

• M1: 163,361 km (0.113 R)
• M2: 586,274 km (0.119 R)
• M3: 1,066,932 km (0.115 R)
• M4: 1,613,114 km (0.037 R)
• M5: 2,620,955 km (0.077 R)
• M6: 3,079,023 km (0.108 R)
• M7: 3,516,298 km (0.096 R)
• M8: 4,465,197 km (0.058 R)
• M9: 5,396,893 km (0.114 R)
• M10: 5,825,341 km (0.051 R)
• M11: 6,658,601 km (0.086 R)
• M12: 7,420,653 km (0.057 R)
• M13: 7,977,606 km (0.111 R)
• M14: 8,427,147 km (0.06 R)
• M15: 10,211,700 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.7

Radius: 12.1

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.4 AU - 1.92 AU

Year: 1476 Days

Day: 7.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,969,608 km

• M1: 151,243 km (0.102 R)
• M2: 645,664 km (0.058 R)
• M3: 1,137,841 km (0.112 R)
• M4: 1,598,902 km (0.072 R)
• M5: 2,215,395 km (0.047 R)
• M6: 3,897,025 km (0.063 R)
• M7: 4,336,094 km (0.098 R)
• M8: 5,166,362 km (0.118 R)
• M9: 5,639,241 km (0.114 R)
• M10: 6,498,980 km (0.035 R)
• M11: 7,119,363 km (0.099 R)
• M12: 7,950,080 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.8

Radius: 14.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.65 AU - 2.11 AU

Year: 1779 Days

Day: 11.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,969,608 km

• M1: 180,864 km (0.104 R)
• M2: 650,751 km (0.105 R)
• M3: 1,116,599 km (0.044 R)
• M4: 1,719,328 km (0.102 R)
• M5: 2,444,878 km (0.114 R)
• M6: 3,976,461 km (0.104 R)
• M7: 5,025,591 km (0.053 R)
• M8: 6,542,663 km (0.087 R)
• M9: 8,294,005 km (0.08 R)
• M10: 9,912,355 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.2

Radius: 9.4

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.22 AU - 4.56 AU

Year: 5296 Days

Day: 8.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,969,608 km

• M1: 117,285 km (0.084 R)
• M2: 594,951 km (0.079 R)
• M3: 1,099,993 km (0.115 R)
• M4: 1,704,967 km (0.107 R)
• M5: 2,309,193 km (0.035 R)
• M6: 2,792,992 km (0.067 R)
• M7: 4,218,660 km (0.101 R)
• M8: 4,787,431 km (0.114 R)
• M9: 5,838,057 km (0.038 R)
• M10: 6,230,751 km (0.06 R)
• M11: 7,035,737 km (0.054 R)
• M12: 7,515,947 km (0.072 R)
• M13: 8,314,500 km (0.04 R)
• M14: 8,695,675 km (0.099 R)
• M15: 10,251,942 km (0.089 R)
• M16: 10,959,839 km (0.084 R)
• M17: 11,465,181 km (0.052 R)
• M18: 13,486,697 km (0.113 R)
• M19: 15,792,748 km (0.068 R)
• M20: 16,142,358 km (0.079 R)
• M21: 17,530,776 km (0.113 R)
• M22: 19,592,684 km (0.075 R)
• M23: 23,809,100 km (0.056 R)
• M24: 25,765,092 km (0.101 R)
• M25: 26,331,469 km (0.07 R)
• M26: 27,741,429 km (0.112 R)
• M27: 28,336,380 km (0.114 R)
• M28: 29,113,840 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.6

Radius: 6.3

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.11 AU - 10.21 AU

Year: 17591 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,969,608 km

• M1: 78,389 km (0.097 R)
• M2: 306,676 km (0.082 R)
• M3: 622,028 km (0.111 R)
• M4: 884,722 km (0.1 R)
• M5: 1,952,551 km (0.103 R)
• M6: 4,455,473 km (0.088 R)
• M7: 6,140,095 km (0.078 R)
• M8: 8,042,232 km (0.114 R)
• M9: 9,081,638 km (0.072 R)
• M10: 11,958,405 km (0.096 R)
• M11: 23,007,255 km (0.097 R)
• M12: 24,466,732 km (0.059 R)
• M13: 33,018,793 km (0.111 R)
• M14: 33,448,887 km (0.083 R)
• M15: 35,095,062 km (0.114 R)
• M16: 35,655,605 km (0.059 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: 212 - 10,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit