🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.6

Radius: 11.5

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.09 AU - 1.11 AU

Year: 796 Days

Day: 6.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,630,530 km

• M1: 143,016 km (0.109 R)
• M2: 574,007 km (0.047 R)
• M3: 1,094,009 km (0.091 R)
• M4: 1,633,908 km (0.094 R)
• M5: 2,131,470 km (0.082 R)
• M6: 2,776,387 km (0.109 R)
• M7: 3,284,720 km (0.047 R)
• M8: 3,915,275 km (0.111 R)
• M9: 4,641,872 km (0.104 R)
• M10: 7,022,722 km (0.075 R)
• M11: 7,463,139 km (0.115 R)
• M12: 8,045,972 km (0.062 R)
• M13: 8,476,963 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.2

Radius: 12.3

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.14 AU - 1.22 AU

Year: 885 Days

Day: 11.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,630,530 km

• M1: 153,039 km (0.107 R)
• M2: 585,376 km (0.08 R)
• M3: 970,441 km (0.099 R)
• M4: 1,430,305 km (0.114 R)
• M5: 2,161,689 km (0.101 R)
• M6: 3,298,483 km (0.083 R)
• M7: 3,813,998 km (0.055 R)
• M8: 4,350,904 km (0.071 R)
• M9: 4,972,783 km (0.111 R)
• M10: 5,691,900 km (0.081 R)
• M11: 6,500,327 km (0.115 R)
• M12: 7,453,116 km (0.113 R)
• M13: 8,048,665 km (0.097 R)
• M14: 8,675,629 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.8

Radius: 9.5

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.27 AU - 1.31 AU

Year: 1011 Days

Day: 6.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 16,630,530 km

• M1: 118,182 km (0.111 R)
• M2: 414,984 km (0.064 R)
• M3: 1,144,125 km (0.119 R)
• M4: 1,495,530 km (0.056 R)
• M5: 1,810,882 km (0.053 R)
• M6: 2,293,934 km (0.106 R)
• M7: 2,603,751 km (0.099 R)
• M8: 2,914,615 km (0.044 R)
• M9: 3,819,084 km (0.039 R)
• M10: 4,187,843 km (0.073 R)
• M11: 4,617,189 km (0.12 R)
• M12: 4,958,272 km (0.098 R)
• M13: 5,356,950 km (0.11 R)
• M14: 6,196,194 km (0.074 R)
• M15: 6,541,466 km (0.077 R)
• M16: 7,372,033 km (0.106 R)
• M17: 8,353,844 km (0.029 R)
• M18: 8,862,028 km (0.078 R)
• M19: 10,159,491 km (0.108 R)
• M20: 10,575,672 km (0.087 R)
• M21: 11,271,751 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.8

Radius: 9.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.6 AU - 2.08 AU

Year: 1723 Days

Day: 11.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,630,530 km

• M1: 120,127 km (0.098 R)
• M2: 646,113 km (0.07 R)
• M3: 1,822,700 km (0.101 R)
• M4: 2,683,038 km (0.079 R)
• M5: 3,534,998 km (0.117 R)
• M6: 4,062,031 km (0.083 R)
• M7: 5,236,524 km (0.085 R)
• M8: 6,163,731 km (0.111 R)
• M9: 8,390,496 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.3

Radius: 12.4

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.93 AU - 2.81 AU

Year: 2518 Days

Day: 14.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,630,530 km

• M1: 154,235 km (0.066 R)
• M2: 1,051,075 km (0.03 R)
• M3: 1,642,435 km (0.119 R)
• M4: 3,300,877 km (0.114 R)
• M5: 3,686,989 km (0.056 R)
• M6: 4,899,330 km (0.113 R)
• M7: 6,751,352 km (0.079 R)
• M8: 7,503,380 km (0.066 R)
• M9: 10,128,973 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.5

Radius: 10.1

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.38 AU - 2.66 AU

Year: 2761 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,630,530 km

• M1: 125,662 km (0.042 R)
• M2: 458,368 km (0.111 R)
• M3: 884,572 km (0.114 R)
• M4: 1,287,290 km (0.081 R)
• M5: 1,742,965 km (0.07 R)
• M6: 2,787,756 km (0.1 R)
• M7: 4,152,837 km (0.098 R)
• M8: 4,636,487 km (0.093 R)
• M9: 7,007,763 km (0.056 R)
• M10: 7,532,253 km (0.12 R)
• M11: 8,454,673 km (0.104 R)
• M12: 10,091,424 km (0.105 R)
• M13: 11,566,907 km (0.088 R)
• M14: 13,025,038 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 13.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.47 AU - 3.37 AU

Year: 3444 Days

Day: 8.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 16,630,530 km

• M1: 173,384 km (0.107 R)
• M2: 677,529 km (0.106 R)
• M3: 1,365,829 km (0.117 R)
• M4: 1,972,149 km (0.114 R)
• M5: 2,422,289 km (0.072 R)
• M6: 2,890,380 km (0.031 R)
• M7: 5,759,967 km (0.054 R)
• M8: 6,573,630 km (0.083 R)
• M9: 7,265,669 km (0.117 R)
• M10: 7,798,986 km (0.1 R)
• M11: 9,402,376 km (0.098 R)
• M12: 9,915,646 km (0.12 R)
• M13: 10,742,025 km (0.105 R)
• M14: 11,391,728 km (0.07 R)
• M15: 13,449,447 km (0.107 R)
• M16: 14,204,617 km (0.109 R)
• M17: 15,799,630 km (0.099 R)
• M18: 16,357,031 km (0.092 R)
• M19: 17,570,420 km (0.059 R)
• M20: 20,175,966 km (0.101 R)
• M21: 22,188,207 km (0.086 R)
• M22: 22,676,494 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.9

Radius: 13

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.49 AU - 3.73 AU

Year: 3786 Days

Day: 11.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,630,530 km

• M1: 161,715 km (0.071 R)
• M2: 566,378 km (0.036 R)
• M3: 1,054,515 km (0.119 R)
• M4: 1,970,802 km (0.109 R)
• M5: 3,506,574 km (0.057 R)
• M6: 4,117,981 km (0.099 R)
• M7: 4,644,415 km (0.114 R)
• M8: 5,456,882 km (0.111 R)
• M9: 5,962,522 km (0.074 R)
• M10: 7,888,894 km (0.118 R)
• M11: 10,088,282 km (0.115 R)
• M12: 11,573,041 km (0.115 R)
• M13: 13,880,887 km (0.079 R)
• M14: 16,532,659 km (0.066 R)
• M15: 18,143,529 km (0.058 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.7

Radius: 10.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.17 AU - 4.03 AU

Year: 4715 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,630,530 km

• M1: 136,134 km (0.097 R)
• M2: 486,193 km (0.069 R)
• M3: 1,005,447 km (0.05 R)
• M4: 1,589,178 km (0.103 R)
• M5: 2,776,387 km (0.098 R)
• M6: 3,238,794 km (0.097 R)
• M7: 3,898,072 km (0.092 R)
• M8: 5,344,982 km (0.118 R)
• M9: 6,421,489 km (0.109 R)
• M10: 8,644,513 km (0.066 R)
• M11: 11,300,025 km (0.09 R)
• M12: 12,200,454 km (0.107 R)
• M13: 14,367,380 km (0.077 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 18,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit