🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.2

Radius: 10.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.5 AU - 0.54 AU

Year: 250 Days

Day: 14.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,890,469 km

• M1: 125,662 km (0.094 R)
• M2: 453,132 km (0.086 R)
• M3: 777,460 km (0.119 R)
• M4: 1,124,677 km (0.079 R)
• M5: 1,752,539 km (0.038 R)
• M6: 2,072,230 km (0.056 R)
• M7: 2,402,691 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.7

Radius: 10.1

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.62 AU - 0.84 AU

Year: 416 Days

Day: 14.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,890,469 km

• M1: 125,961 km (0.107 R)
• M2: 543,788 km (0.059 R)
• M3: 1,149,660 km (0.061 R)
• M4: 2,907,435 km (0.084 R)
• M5: 3,338,276 km (0.116 R)
• M6: 4,050,811 km (0.103 R)
• M7: 5,224,406 km (0.087 R)
• M8: 5,622,486 km (0.047 R)
• M9: 6,022,810 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.9

Radius: 11.1

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.89 AU - 1.35 AU

Year: 790 Days

Day: 14.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,890,469 km

• M1: 139,425 km (0.119 R)
• M2: 683,812 km (0.074 R)
• M3: 1,152,951 km (0.102 R)
• M4: 1,515,576 km (0.094 R)
• M5: 2,795,236 km (0.059 R)
• M6: 3,383,006 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.4

Radius: 10.9

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.06 AU - 1.74 AU

Year: 1105 Days

Day: 6.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,890,469 km

• M1: 135,835 km (0.096 R)
• M2: 484,099 km (0.066 R)
• M3: 1,289,683 km (0.106 R)
• M4: 1,721,722 km (0.1 R)
• M5: 2,294,083 km (0.096 R)
• M6: 2,858,217 km (0.099 R)
• M7: 3,680,108 km (0.083 R)
• M8: 4,214,322 km (0.078 R)
• M9: 4,780,998 km (0.066 R)
• M10: 5,219,171 km (0.069 R)
• M11: 5,916,147 km (0.073 R)
• M12: 6,354,469 km (0.049 R)
• M13: 7,520,734 km (0.062 R)
• M14: 9,485,702 km (0.105 R)
• M15: 10,272,886 km (0.041 R)
• M16: 10,618,906 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.2

Radius: 11.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.25 AU - 1.79 AU

Year: 1250 Days

Day: 8.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,890,469 km

• M1: 143,016 km (0.104 R)
• M2: 653,743 km (0.1 R)
• M3: 1,085,781 km (0.12 R)
• M4: 1,617,901 km (0.098 R)
• M5: 2,374,118 km (0.092 R)
• M6: 3,565,964 km (0.027 R)
• M7: 4,099,879 km (0.085 R)
• M8: 4,530,572 km (0.057 R)
• M9: 4,900,377 km (0.054 R)
• M10: 5,290,529 km (0.111 R)
• M11: 6,028,645 km (0.112 R)
• M12: 6,925,334 km (0.07 R)
• M13: 7,417,960 km (0.118 R)
• M14: 7,908,791 km (0.118 R)
• M15: 8,369,103 km (0.052 R)
• M16: 8,820,141 km (0.093 R)
• M17: 9,799,857 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.9

Radius: 12.8

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.2 AU - 2.22 AU

Year: 2191 Days

Day: 5.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,890,469 km

• M1: 159,172 km (0.053 R)
• M2: 636,988 km (0.084 R)
• M3: 1,286,093 km (0.093 R)
• M4: 1,887,626 km (0.119 R)
• M5: 2,820,219 km (0.063 R)
• M6: 3,539,486 km (0.089 R)
• M7: 4,357,487 km (0.083 R)
• M8: 4,888,709 km (0.102 R)
• M9: 5,754,581 km (0.115 R)
• M10: 6,556,426 km (0.075 R)
• M11: 7,083,908 km (0.103 R)
• M12: 8,287,423 km (0.112 R)
• M13: 8,871,603 km (0.035 R)
• M14: 9,587,877 km (0.114 R)
• M15: 10,305,498 km (0.086 R)
• M16: 12,674,829 km (0.062 R)
• M17: 14,443,525 km (0.098 R)
• M18: 16,022,231 km (0.089 R)
• M19: 16,930,440 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.5

Radius: 13.8

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.24 AU - 3.74 AU

Year: 4348 Days

Day: 12.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,890,469 km

• M1: 193,879 km (0.106 R)
• M2: 635,941 km (0.082 R)
• M3: 1,366,128 km (0.088 R)
• M4: 2,604,948 km (0.113 R)
• M5: 3,459,900 km (0.119 R)
• M6: 3,924,700 km (0.079 R)
• M7: 4,494,818 km (0.073 R)
• M8: 4,958,421 km (0.057 R)
• M9: 6,940,444 km (0.074 R)
• M10: 8,125,259 km (0.083 R)
• M11: 9,194,734 km (0.072 R)
• M12: 10,168,466 km (0.103 R)
• M13: 11,942,697 km (0.109 R)
• M14: 14,240,820 km (0.054 R)
• M15: 15,198,695 km (0.073 R)
• M16: 17,083,478 km (0.081 R)
• M17: 18,948,814 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.1

Radius: 4.2

Gravity: 35.83 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.93 AU - 10.37 AU

Year: 21564 Days

Day: 15.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,890,469 km

• M1: 55,501 km (0.108 R)
• M2: 309,668 km (0.074 R)
• M3: 483,800 km (0.026 R)
• M4: 1,128,267 km (0.072 R)
• M5: 1,436,140 km (0.099 R)
• M6: 2,050,538 km (0.079 R)
• M7: 3,564,169 km (0.106 R)
• M8: 3,775,401 km (0.074 R)
• M9: 4,059,189 km (0.116 R)
• M10: 6,240,924 km (0.115 R)
• M11: 6,728,164 km (0.09 R)
• M12: 7,098,120 km (0.082 R)
• M13: 7,878,422 km (0.117 R)
• M14: 8,987,391 km (0.065 R)
• M15: 10,377,604 km (0.061 R)
• M16: 10,746,213 km (0.044 R)
• M17: 11,904,849 km (0.114 R)
• M18: 13,358,940 km (0.093 R)
• M19: 13,721,865 km (0.118 R)
• M20: 14,696,196 km (0.096 R)
• M21: 15,082,906 km (0.119 R)
• M22: 16,781,440 km (0.052 R)
• M23: 16,949,439 km (0.066 R)
• M24: 19,238,735 km (0.099 R)
• M25: 26,522,506 km (0.112 R)
• M26: 32,237,892 km (0.117 R)
• M27: 32,890,289 km (0.079 R)
• M28: 33,551,362 km (0.1 R)
• M29: 36,004,916 km (0.092 R)
• M30: 46,187,295 km (0.109 R)
• M31: 50,255,759 km (0.096 R)
• M32: 53,641,159 km (0.101 R)
• M33: 64,703,473 km (0.106 R)
• M34: 74,213,708 km (0.082 R)
• M35: 74,666,840 km (0.086 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 13,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit