🌌 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: 940.4

Radius: 9.1

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.46 AU - 0.7 AU

Year: 300 Days

Day: 5.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,449,548 km

• M1: 113,395 km (0.097 R)
• M2: 432,338 km (0.119 R)
• M3: 861,385 km (0.114 R)
• M4: 1,299,407 km (0.038 R)
• M5: 1,742,666 km (0.113 R)
• M6: 2,036,326 km (0.083 R)
• M7: 2,372,024 km (0.062 R)
• M8: 2,853,879 km (0.097 R)
• M9: 3,254,352 km (0.053 R)
• M10: 3,752,513 km (0.088 R)
• M11: 4,052,158 km (0.065 R)
• M12: 4,685,705 km (0.069 R)
• M13: 5,033,968 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.9

Radius: 12.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.51 AU - 0.71 AU

Year: 323 Days

Day: 10.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,449,548 km

• M1: 157,975 km (0.112 R)
• M2: 676,482 km (0.109 R)
• M3: 1,190,949 km (0.094 R)
• M4: 1,596,209 km (0.102 R)
• M5: 2,586,697 km (0.085 R)
• M6: 3,066,906 km (0.107 R)
• M7: 3,510,613 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.5

Radius: 11.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.75 AU - 0.93 AU

Year: 522 Days

Day: 13.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,449,548 km

• M1: 138,378 km (0.102 R)
• M2: 693,685 km (0.106 R)
• M3: 1,155,344 km (0.056 R)
• M4: 1,536,370 km (0.099 R)
• M5: 2,032,287 km (0.091 R)
• M6: 2,481,679 km (0.109 R)
• M7: 2,898,160 km (0.092 R)
• M8: 3,662,605 km (0.077 R)
• M9: 4,018,797 km (0.093 R)
• M10: 4,372,147 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462

Radius: 14.3

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.79 AU - 1.27 AU

Year: 709 Days

Day: 9.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,449,548 km

• M1: 177,872 km (0.058 R)
• M2: 651,349 km (0.114 R)
• M3: 1,153,998 km (0.115 R)
• M4: 1,620,145 km (0.093 R)
• M5: 2,097,661 km (0.067 R)
• M6: 2,586,697 km (0.066 R)
• M7: 3,070,048 km (0.048 R)
• M8: 4,340,433 km (0.116 R)
• M9: 5,754,282 km (0.116 R)
• M10: 6,488,957 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.8

Radius: 8.9

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.24 AU - 1.32 AU

Year: 982 Days

Day: 7.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,449,548 km

• M1: 111,450 km (0.071 R)
• M2: 550,520 km (0.073 R)
• M3: 902,075 km (0.069 R)
• M4: 1,311,375 km (0.111 R)
• M5: 1,719,777 km (0.072 R)
• M6: 2,414,809 km (0.063 R)
• M7: 5,510,438 km (0.097 R)
• M8: 7,030,352 km (0.059 R)
• M9: 7,450,423 km (0.061 R)
• M10: 7,834,740 km (0.109 R)
• M11: 8,671,291 km (0.102 R)
• M12: 10,331,678 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.9

Radius: 8.3

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.27 AU - 1.53 AU

Year: 1124 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,449,548 km

• M1: 103,223 km (0.087 R)
• M2: 364,121 km (0.027 R)
• M3: 759,808 km (0.107 R)
• M4: 1,487,302 km (0.065 R)
• M5: 1,778,120 km (0.084 R)
• M6: 2,076,568 km (0.056 R)
• M7: 2,605,097 km (0.109 R)
• M8: 2,914,466 km (0.067 R)
• M9: 3,193,167 km (0.081 R)
• M10: 3,489,670 km (0.11 R)
• M11: 4,338,039 km (0.109 R)
• M12: 4,865,372 km (0.115 R)
• M13: 5,900,738 km (0.11 R)
• M14: 6,240,475 km (0.066 R)
• M15: 7,123,551 km (0.071 R)
• M16: 7,386,993 km (0.107 R)
• M17: 7,657,167 km (0.109 R)
• M18: 8,480,554 km (0.108 R)

Asteroid Belt

Center: 2.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.8

Radius: 12.1

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.91 AU - 3.35 AU

Year: 3756 Days

Day: 13.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,449,548 km

• M1: 150,495 km (0.068 R)
• M2: 545,733 km (0.083 R)
• M3: 1,018,911 km (0.12 R)
• M4: 1,745,508 km (0.098 R)
• M5: 2,161,988 km (0.103 R)
• M6: 2,597,019 km (0.083 R)
• M7: 3,486,678 km (0.032 R)
• M8: 4,665,210 km (0.034 R)
• M9: 5,892,959 km (0.045 R)
• M10: 7,624,106 km (0.07 R)
• M11: 8,533,960 km (0.068 R)
• M12: 8,940,118 km (0.101 R)
• M13: 9,397,888 km (0.087 R)
• M14: 10,402,288 km (0.05 R)
• M15: 11,212,360 km (0.117 R)
• M16: 13,896,445 km (0.083 R)
• M17: 16,074,291 km (0.065 R)
• M18: 16,638,275 km (0.099 R)
• M19: 19,531,049 km (0.098 R)
• M20: 20,565,668 km (0.081 R)
• M21: 21,230,631 km (0.043 R)
• M22: 22,603,490 km (0.067 R)
• M23: 23,455,151 km (0.117 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: 395 - 12,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit