🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.9

Radius: 9.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.75 AU - 1.03 AU

Year: 542 Days

Day: 6.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,151,349 km

• M1: 119,379 km (0.103 R)
• M2: 453,132 km (0.044 R)
• M3: 770,279 km (0.063 R)
• M4: 1,172,249 km (0.087 R)
• M5: 1,835,117 km (0.096 R)
• M6: 2,333,428 km (0.046 R)
• M7: 2,691,415 km (0.096 R)
• M8: 3,806,069 km (0.116 R)
• M9: 4,345,369 km (0.04 R)
• M10: 4,690,192 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.7

Radius: 14.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.99 AU - 1.39 AU

Year: 838 Days

Day: 9.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,151,349 km

• M1: 179,069 km (0.114 R)
• M2: 663,766 km (0.069 R)
• M3: 1,120,937 km (0.076 R)
• M4: 1,612,067 km (0.041 R)
• M5: 2,075,371 km (0.079 R)
• M6: 2,785,812 km (0.045 R)
• M7: 3,295,342 km (0.067 R)
• M8: 3,790,212 km (0.073 R)
• M9: 4,969,043 km (0.062 R)
• M10: 5,972,695 km (0.097 R)
• M11: 6,423,583 km (0.103 R)
• M12: 7,037,084 km (0.102 R)
• M13: 8,224,442 km (0.033 R)
• M14: 8,729,933 km (0.12 R)
• M15: 10,250,895 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864

Radius: 13.9

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.94 AU - 1.44 AU

Year: 838 Days

Day: 11.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,151,349 km

• M1: 178,021 km (0.076 R)
• M2: 650,751 km (0.042 R)
• M3: 1,084,884 km (0.096 R)
• M4: 1,623,885 km (0.093 R)
• M5: 2,064,600 km (0.106 R)
• M6: 2,518,181 km (0.103 R)
• M7: 3,170,278 km (0.112 R)
• M8: 4,074,298 km (0.054 R)
• M9: 4,709,491 km (0.069 R)
• M10: 6,221,775 km (0.096 R)
• M11: 6,746,864 km (0.095 R)
• M12: 7,565,763 km (0.091 R)
• M13: 8,293,706 km (0.073 R)
• M14: 8,958,220 km (0.055 R)
• M15: 9,572,319 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.2

Radius: 13.8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.68 AU - 1.76 AU

Year: 1456 Days

Day: 11.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,151,349 km

• M1: 172,187 km (0.077 R)
• M2: 638,933 km (0.064 R)
• M3: 1,103,135 km (0.082 R)
• M4: 1,643,632 km (0.038 R)
• M5: 2,145,383 km (0.083 R)
• M6: 3,350,843 km (0.103 R)
• M7: 4,055,000 km (0.112 R)
• M8: 7,010,007 km (0.087 R)
• M9: 9,415,540 km (0.114 R)
• M10: 9,919,685 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.6

Radius: 11

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.63 AU - 2.93 AU

Year: 2993 Days

Day: 11.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,151,349 km

• M1: 138,079 km (0.102 R)
• M2: 484,398 km (0.08 R)
• M3: 846,126 km (0.085 R)
• M4: 1,234,182 km (0.098 R)
• M5: 1,588,430 km (0.101 R)
• M6: 1,941,930 km (0.078 R)
• M7: 2,414,958 km (0.117 R)
• M8: 3,524,975 km (0.025 R)
• M9: 4,354,495 km (0.07 R)
• M10: 4,794,013 km (0.098 R)
• M11: 5,263,152 km (0.093 R)
• M12: 5,641,037 km (0.073 R)
• M13: 7,660,608 km (0.056 R)
• M14: 9,148,658 km (0.092 R)
• M15: 10,158,144 km (0.09 R)
• M16: 11,789,509 km (0.09 R)
• M17: 12,984,198 km (0.102 R)
• M18: 13,545,190 km (0.075 R)
• M19: 14,348,530 km (0.099 R)
• M20: 15,661,102 km (0.117 R)
• M21: 17,205,850 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.2

Radius: 8.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.39 AU - 4.59 AU

Year: 5146 Days

Day: 14 Hours

Environment

Temp: -209 °C

Axial Tilt: 65.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,151,349 km

• M1: 154,235 km (0.064 R)
• M2: 974,929 km (0.053 R)
• M3: 2,110,527 km (0.092 R)
• M4: 3,194,663 km (0.048 R)
• M5: 3,571,799 km (0.038 R)
• M6: 4,415,980 km (0.026 R)
• M7: 5,143,773 km (0.118 R)
• M8: 5,663,476 km (0.084 R)
• M9: 9,583,240 km (0.107 R)
• M10: 10,799,470 km (0.111 R)
• M11: 11,485,975 km (0.077 R)
• M12: 13,860,392 km (0.081 R)
• M13: 17,347,070 km (0.025 R)
• M14: 17,841,042 km (0.117 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 19,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit