🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.1

Radius: 8.9

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.31 AU - 1.85 AU

Year: 1324 Days

Day: 8.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,567,741 km

• M1: 110,702 km (0.104 R)
• M2: 423,063 km (0.107 R)
• M3: 830,119 km (0.083 R)
• M4: 1,330,972 km (0.101 R)
• M5: 1,915,750 km (0.116 R)
• M6: 2,545,109 km (0.111 R)
• M7: 2,908,332 km (0.105 R)
• M8: 3,494,307 km (0.03 R)
• M9: 4,433,034 km (0.034 R)
• M10: 4,840,389 km (0.061 R)
• M11: 6,096,861 km (0.094 R)
• M12: 7,343,759 km (0.065 R)
• M13: 7,749,020 km (0.099 R)
• M14: 9,116,195 km (0.055 R)
• M15: 9,395,345 km (0.115 R)
• M16: 9,744,357 km (0.109 R)
• M17: 10,877,860 km (0.111 R)
• M18: 11,912,329 km (0.114 R)
• M19: 13,089,066 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.6

Radius: 11.2

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.48 AU - 1.72 AU

Year: 1350 Days

Day: 7.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,567,741 km

• M1: 139,276 km (0.091 R)
• M2: 804,537 km (0.043 R)
• M3: 1,380,489 km (0.078 R)
• M4: 1,845,589 km (0.076 R)
• M5: 2,600,609 km (0.075 R)
• M6: 3,485,032 km (0.103 R)
• M7: 4,253,367 km (0.109 R)
• M8: 5,114,153 km (0.082 R)
• M9: 5,749,944 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.5

Radius: 9.6

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.83 AU - 1.83 AU

Year: 1651 Days

Day: 10.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,567,741 km

• M1: 119,379 km (0.118 R)
• M2: 752,627 km (0.087 R)
• M3: 1,300,604 km (0.108 R)
• M4: 1,854,864 km (0.089 R)
• M5: 2,198,939 km (0.083 R)
• M6: 2,702,486 km (0.119 R)
• M7: 3,357,425 km (0.083 R)
• M8: 4,097,037 km (0.115 R)
• M9: 4,961,413 km (0.089 R)
• M10: 5,830,128 km (0.106 R)
• M11: 6,649,326 km (0.081 R)
• M12: 7,410,779 km (0.069 R)
• M13: 8,229,379 km (0.108 R)
• M14: 8,660,670 km (0.068 R)
• M15: 9,198,025 km (0.082 R)
• M16: 10,241,021 km (0.101 R)
• M17: 11,968,727 km (0.057 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.2

Radius: 6.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.54 AU - 8.92 AU

Year: 14332 Days

Day: 17.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,567,741 km

• M1: 85,570 km (0.084 R)
• M2: 866,471 km (0.115 R)
• M3: 1,188,705 km (0.083 R)
• M4: 1,625,082 km (0.113 R)
• M5: 2,441,886 km (0.056 R)
• M6: 2,692,014 km (0.081 R)
• M7: 5,985,261 km (0.117 R)
• M8: 7,322,965 km (0.053 R)
• M9: 7,633,830 km (0.105 R)
• M10: 10,230,699 km (0.063 R)
• M11: 14,953,654 km (0.054 R)
• M12: 15,230,410 km (0.096 R)
• M13: 20,002,582 km (0.082 R)
• M14: 21,022,091 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.1

Radius: 5.8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.75 AU - 8.01 AU

Year: 14751 Days

Day: 22.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,567,741 km

• M1: 72,256 km (0.117 R)
• M2: 667,655 km (0.06 R)
• M3: 1,955,244 km (0.107 R)
• M4: 2,147,627 km (0.065 R)
• M5: 3,375,526 km (0.067 R)
• M6: 4,609,709 km (0.117 R)
• M7: 5,530,484 km (0.106 R)
• M8: 6,568,244 km (0.078 R)
• M9: 7,809,158 km (0.029 R)
• M10: 8,632,994 km (0.088 R)
• M11: 8,978,266 km (0.119 R)
• M12: 11,762,881 km (0.117 R)
• M13: 16,152,082 km (0.098 R)
• M14: 19,839,071 km (0.075 R)
• M15: 20,288,912 km (0.068 R)
• M16: 22,478,277 km (0.036 R)
• M17: 27,044,602 km (0.067 R)
• M18: 27,228,159 km (0.115 R)
• M19: 33,022,533 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974

Radius: 5.4

Gravity: 33.4 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.74 AU - 8.86 AU

Year: 15946 Days

Day: 20.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,567,741 km

• M1: 80,783 km (0.105 R)
• M2: 563,386 km (0.089 R)
• M3: 1,021,005 km (0.064 R)
• M4: 1,201,869 km (0.119 R)
• M5: 1,513,930 km (0.071 R)
• M6: 1,804,749 km (0.099 R)
• M7: 2,590,287 km (0.113 R)
• M8: 3,612,041 km (0.05 R)
• M9: 4,735,969 km (0.067 R)
• M10: 5,059,101 km (0.075 R)
• M11: 5,669,759 km (0.114 R)
• M12: 6,243,168 km (0.086 R)
• M13: 7,082,412 km (0.089 R)
• M14: 8,767,482 km (0.081 R)
• M15: 10,581,805 km (0.067 R)
• M16: 10,947,871 km (0.072 R)
• M17: 15,943,243 km (0.094 R)
• M18: 19,516,089 km (0.109 R)
• M19: 23,382,596 km (0.118 R)
• M20: 25,821,939 km (0.076 R)
• M21: 29,851,358 km (0.087 R)
• M22: 33,102,418 km (0.045 R)
• M23: 52,057,665 km (0.058 R)
• M24: 57,114,821 km (0.108 R)
• M25: 70,738,251 km (0.072 R)
• M26: 72,689,306 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: 545 - 18,554 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit