🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.5

Radius: 12.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.56 AU - 0.66 AU

Year: 318 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,046,107 km

• M1: 156,629 km (0.109 R)
• M2: 652,396 km (0.118 R)
• M3: 1,063,790 km (0.114 R)
• M4: 1,483,562 km (0.12 R)
• M5: 1,885,681 km (0.107 R)
• M6: 3,156,665 km (0.119 R)
• M7: 3,572,547 km (0.074 R)
• M8: 4,463,851 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.3

Radius: 12

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.6 AU - 0.66 AU

Year: 333 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 91,046,107 km

• M1: 149,897 km (0.051 R)
• M2: 590,164 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.4

Radius: 14.6

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.25 AU - 1.65 AU

Year: 1164 Days

Day: 8.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,046,107 km

• M1: 181,612 km (0.045 R)
• M2: 737,966 km (0.109 R)
• M3: 1,221,167 km (0.098 R)
• M4: 1,900,491 km (0.102 R)
• M5: 2,697,848 km (0.084 R)
• M6: 3,306,562 km (0.109 R)
• M7: 3,992,618 km (0.105 R)
• M8: 5,392,255 km (0.109 R)
• M9: 5,847,182 km (0.066 R)
• M10: 6,874,920 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.7

Radius: 12.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.33 AU - 1.89 AU

Year: 1362 Days

Day: 5.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,046,107 km

• M1: 156,031 km (0.075 R)
• M2: 564,433 km (0.107 R)
• M3: 1,189,602 km (0.091 R)
• M4: 1,671,607 km (0.103 R)
• M5: 2,108,133 km (0.093 R)
• M6: 2,791,496 km (0.065 R)
• M7: 3,604,112 km (0.116 R)
• M8: 4,172,883 km (0.052 R)
• M9: 4,568,569 km (0.109 R)
• M10: 5,094,256 km (0.12 R)
• M11: 5,697,884 km (0.067 R)
• M12: 7,293,644 km (0.058 R)
• M13: 8,038,043 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.2

Radius: 9.4

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.52 AU - 1.9 AU

Year: 1491 Days

Day: 13.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,046,107 km

• M1: 116,986 km (0.101 R)
• M2: 565,630 km (0.07 R)
• M3: 970,741 km (0.1 R)
• M4: 1,640,939 km (0.089 R)
• M5: 2,017,776 km (0.1 R)
• M6: 2,365,442 km (0.069 R)
• M7: 2,672,267 km (0.115 R)
• M8: 3,289,508 km (0.09 R)
• M9: 4,052,008 km (0.081 R)
• M10: 5,009,434 km (0.101 R)
• M11: 5,832,971 km (0.047 R)
• M12: 6,253,341 km (0.098 R)
• M13: 6,870,731 km (0.071 R)
• M14: 7,609,744 km (0.1 R)
• M15: 7,970,425 km (0.068 R)
• M16: 9,308,129 km (0.116 R)
• M17: 9,883,034 km (0.071 R)
• M18: 10,212,598 km (0.09 R)
• M19: 10,515,384 km (0.096 R)
• M20: 13,238,215 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.8

Radius: 11.2

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.48 AU - 1.98 AU

Year: 1517 Days

Day: 14.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,046,107 km

• M1: 139,276 km (0.12 R)
• M2: 500,405 km (0.071 R)
• M3: 937,530 km (0.094 R)
• M4: 1,486,404 km (0.083 R)
• M5: 1,969,157 km (0.087 R)
• M6: 2,555,132 km (0.032 R)
• M7: 3,412,028 km (0.104 R)
• M8: 3,934,125 km (0.088 R)
• M9: 4,786,384 km (0.116 R)
• M10: 5,224,406 km (0.064 R)
• M11: 5,734,834 km (0.069 R)
• M12: 6,302,708 km (0.091 R)
• M13: 7,278,236 km (0.108 R)
• M14: 7,661,954 km (0.106 R)
• M15: 8,059,436 km (0.079 R)
• M16: 8,590,508 km (0.109 R)
• M17: 10,291,137 km (0.097 R)
• M18: 11,865,056 km (0.12 R)
• M19: 12,867,362 km (0.057 R)
• M20: 13,308,077 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.7

Radius: 14.3

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.6 AU - 4.12 AU

Year: 4107 Days

Day: 11.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,046,107 km

• M1: 178,021 km (0.042 R)
• M2: 835,504 km (0.105 R)
• M3: 1,359,695 km (0.105 R)
• M4: 1,932,804 km (0.077 R)
• M5: 2,553,187 km (0.113 R)
• M6: 3,099,518 km (0.117 R)
• M7: 4,223,297 km (0.067 R)
• M8: 5,044,590 km (0.087 R)
• M9: 5,548,585 km (0.04 R)
• M10: 7,466,579 km (0.065 R)
• M11: 8,123,464 km (0.114 R)
• M12: 9,434,839 km (0.053 R)
• M13: 9,997,476 km (0.061 R)
• M14: 13,704,063 km (0.108 R)
• M15: 14,850,880 km (0.066 R)
• M16: 17,574,459 km (0.109 R)
• M17: 18,489,848 km (0.119 R)
• M18: 19,694,709 km (0.082 R)
• M19: 23,043,607 km (0.062 R)
• M20: 23,918,156 km (0.102 R)
• M21: 24,363,808 km (0.051 R)
• M22: 24,966,538 km (0.073 R)
• M23: 26,201,917 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.7

Radius: 13.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.84 AU - 4.32 AU

Year: 4517 Days

Day: 10.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,046,107 km

• M1: 162,912 km (0.1 R)
• M2: 695,780 km (0.109 R)
• M3: 1,178,083 km (0.062 R)
• M4: 1,900,342 km (0.086 R)
• M5: 2,515,039 km (0.114 R)
• M6: 4,603,126 km (0.094 R)
• M7: 5,986,159 km (0.065 R)
• M8: 7,378,466 km (0.107 R)
• M9: 7,952,922 km (0.08 R)
• M10: 9,632,009 km (0.091 R)
• M11: 11,161,647 km (0.081 R)
• M12: 13,352,508 km (0.068 R)
• M13: 14,207,310 km (0.069 R)
• M14: 16,237,353 km (0.066 R)
• M15: 16,719,507 km (0.111 R)
• M16: 17,156,183 km (0.065 R)
• M17: 18,979,482 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.9

Radius: 3.7

Gravity: 66.61 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.45 AU - 11.55 AU

Year: 22689 Days

Day: 16.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,046,107 km

• M1: 75,846 km (0.086 R)
• M2: 763,099 km (0.082 R)
• M3: 1,572,722 km (0.096 R)
• M4: 2,108,582 km (0.091 R)
• M5: 4,655,486 km (0.12 R)
• M6: 4,844,877 km (0.077 R)
• M7: 7,081,066 km (0.085 R)
• M8: 8,561,486 km (0.095 R)
• M9: 9,737,176 km (0.118 R)
• M10: 11,627,046 km (0.066 R)
• M11: 11,765,723 km (0.1 R)
• M12: 13,064,083 km (0.112 R)
• M13: 15,856,477 km (0.098 R)
• M14: 25,384,515 km (0.109 R)
• M15: 28,659,362 km (0.076 R)
• M16: 40,626,892 km (0.12 R)
• M17: 42,569,271 km (0.098 R)
• M18: 45,254,253 km (0.041 R)
• M19: 55,341,787 km (0.087 R)
• M20: 60,384,133 km (0.111 R)
• M21: 67,720,712 km (0.061 R)
• M22: 80,557,107 km (0.096 R)
• M23: 84,390,253 km (0.12 R)
• M24: 84,910,405 km (0.045 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: 146 - 17,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit