🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.9

Radius: 11.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.51 AU - 0.65 AU

Year: 305 Days

Day: 10.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,463,606 km

• M1: 139,276 km (0.063 R)
• M2: 498,161 km (0.099 R)
• M3: 869,164 km (0.077 R)
• M4: 1,255,575 km (0.093 R)
• M5: 1,643,333 km (0.054 R)
• M6: 2,027,949 km (0.034 R)
• M7: 2,386,684 km (0.106 R)
• M8: 2,928,977 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.6

Radius: 10.2

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.62 AU - 0.78 AU

Year: 404 Days

Day: 13 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,463,606 km

• M1: 128,953 km (0.079 R)
• M2: 578,794 km (0.079 R)
• M3: 899,831 km (0.097 R)
• M4: 1,224,010 km (0.073 R)
• M5: 1,704,967 km (0.085 R)
• M6: 2,030,791 km (0.071 R)
• M7: 2,499,780 km (0.085 R)
• M8: 3,104,754 km (0.1 R)
• M9: 3,681,155 km (0.044 R)
• M10: 4,649,502 km (0.081 R)
• M11: 5,002,553 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.8

Radius: 8.4

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.57 AU - 0.87 AU

Year: 422 Days

Day: 10.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,463,606 km

• M1: 104,419 km (0.118 R)
• M2: 387,458 km (0.111 R)
• M3: 715,826 km (0.068 R)
• M4: 1,026,541 km (0.114 R)
• M5: 1,421,329 km (0.113 R)
• M6: 1,844,841 km (0.057 R)
• M7: 2,163,634 km (0.095 R)
• M8: 2,597,019 km (0.045 R)
• M9: 2,871,531 km (0.07 R)
• M10: 3,154,122 km (0.055 R)
• M11: 3,675,320 km (0.089 R)
• M12: 4,238,856 km (0.108 R)
• M13: 5,230,241 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.1

Radius: 12.3

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.96 AU - 1.18 AU

Year: 764 Days

Day: 8.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,463,606 km

• M1: 161,566 km (0.119 R)
• M2: 619,784 km (0.052 R)
• M3: 1,004,251 km (0.095 R)
• M4: 1,465,760 km (0.057 R)
• M5: 2,341,955 km (0.091 R)
• M6: 2,912,371 km (0.039 R)
• M7: 4,044,977 km (0.11 R)
• M8: 4,597,143 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.4

Radius: 13.5

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.13 AU - 1.39 AU

Year: 976 Days

Day: 10.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,463,606 km

• M1: 167,849 km (0.087 R)
• M2: 610,359 km (0.1 R)
• M3: 1,053,767 km (0.117 R)
• M4: 1,640,490 km (0.085 R)
• M5: 2,109,180 km (0.074 R)
• M6: 2,703,234 km (0.077 R)
• M7: 3,243,880 km (0.084 R)
• M8: 4,167,198 km (0.098 R)
• M9: 4,751,976 km (0.043 R)
• M10: 5,240,114 km (0.079 R)
• M11: 5,662,579 km (0.095 R)
• M12: 6,775,288 km (0.096 R)
• M13: 7,514,899 km (0.062 R)
• M14: 8,751,027 km (0.059 R)
• M15: 9,265,344 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.5

Radius: 4.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.05 AU - 6.35 AU

Year: 9393 Days

Day: 23.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,463,606 km

• M1: 249,828 km (0.066 R)
• M2: 797,805 km (0.112 R)
• M3: 985,252 km (0.108 R)
• M4: 3,780,787 km (0.114 R)
• M5: 4,073,849 km (0.115 R)
• M6: 6,836,772 km (0.11 R)
• M7: 10,890,575 km (0.086 R)
• M8: 11,354,628 km (0.114 R)
• M9: 13,106,718 km (0.108 R)
• M10: 13,728,746 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.8

Radius: 7

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.69 AU - 7.39 AU

Year: 10246 Days

Day: 19.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 148.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,463,606 km

• M1: 105,766 km (0.118 R)
• M2: 655,687 km (0.115 R)
• M3: 1,030,281 km (0.098 R)
• M4: 1,541,157 km (0.103 R)
• M5: 5,025,441 km (0.056 R)
• M6: 6,043,156 km (0.103 R)
• M7: 6,656,357 km (0.083 R)
• M8: 7,632,483 km (0.11 R)
• M9: 8,176,272 km (0.099 R)
• M10: 13,493,728 km (0.113 R)
• M11: 14,601,799 km (0.099 R)
• M12: 16,998,058 km (0.098 R)
• M13: 19,490,508 km (0.042 R)
• M14: 21,065,175 km (0.03 R)
• M15: 21,966,353 km (0.077 R)
• M16: 23,670,572 km (0.101 R)
• M17: 27,243,717 km (0.093 R)
• M18: 29,007,925 km (0.077 R)
• M19: 32,653,774 km (0.109 R)
• M20: 35,095,212 km (0.09 R)
• M21: 40,338,318 km (0.075 R)
• M22: 44,330,636 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 12,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit