🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.6

Radius: 13

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.75 AU - 0.85 AU

Year: 494 Days

Day: 8.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,691,539 km

• M1: 162,164 km (0.102 R)
• M2: 866,321 km (0.096 R)
• M3: 1,872,217 km (0.109 R)
• M4: 2,295,430 km (0.073 R)
• M5: 2,764,569 km (0.081 R)
• M6: 3,171,176 km (0.088 R)
• M7: 3,583,916 km (0.069 R)
• M8: 4,045,276 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279

Radius: 11.1

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.17 AU - 1.87 AU

Year: 1294 Days

Day: 8.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,691,539 km

• M1: 138,228 km (0.088 R)
• M2: 525,089 km (0.052 R)
• M3: 1,243,308 km (0.072 R)
• M4: 1,701,377 km (0.119 R)
• M5: 2,189,514 km (0.079 R)
• M6: 3,749,970 km (0.088 R)
• M7: 4,601,032 km (0.077 R)
• M8: 5,673,200 km (0.046 R)
• M9: 6,362,547 km (0.104 R)
• M10: 8,155,478 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.3

Radius: 8

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.93 AU - 2.35 AU

Year: 2161 Days

Day: 14.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,691,539 km

• M1: 100,979 km (0.109 R)
• M2: 680,371 km (0.062 R)
• M3: 1,004,400 km (0.113 R)
• M4: 1,951,953 km (0.114 R)
• M5: 2,269,101 km (0.085 R)
• M6: 2,607,042 km (0.105 R)
• M7: 2,993,304 km (0.089 R)
• M8: 3,687,139 km (0.087 R)
• M9: 4,269,822 km (0.117 R)
• M10: 4,543,437 km (0.094 R)
• M11: 4,997,167 km (0.113 R)
• M12: 5,640,887 km (0.113 R)
• M13: 7,066,106 km (0.05 R)
• M14: 7,876,777 km (0.119 R)
• M15: 8,140,518 km (0.114 R)
• M16: 9,516,220 km (0.099 R)
• M17: 10,224,715 km (0.097 R)
• M18: 12,364,114 km (0.074 R)
• M19: 13,538,458 km (0.099 R)
• M20: 13,790,530 km (0.082 R)
• M21: 14,609,130 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.7

Radius: 11.1

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.1 AU - 5.94 AU

Year: 7764 Days

Day: 11.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,691,539 km

• M1: 138,079 km (0.061 R)
• M2: 536,458 km (0.1 R)
• M3: 932,892 km (0.119 R)
• M4: 1,758,224 km (0.12 R)
• M5: 2,241,425 km (0.071 R)
• M6: 3,575,838 km (0.056 R)
• M7: 6,798,774 km (0.09 R)
• M8: 8,812,063 km (0.102 R)
• M9: 9,719,074 km (0.044 R)
• M10: 10,155,152 km (0.102 R)
• M11: 10,812,635 km (0.104 R)
• M12: 11,986,529 km (0.106 R)
• M13: 13,339,792 km (0.118 R)
• M14: 15,530,353 km (0.07 R)
• M15: 16,682,855 km (0.083 R)
• M16: 17,774,022 km (0.077 R)
• M17: 21,399,527 km (0.109 R)
• M18: 21,800,748 km (0.068 R)
• M19: 23,668,328 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.2

Radius: 6.1

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.2 AU - 8.54 AU

Year: 13811 Days

Day: 15.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,691,539 km

• M1: 99,782 km (0.071 R)
• M2: 1,348,026 km (0.071 R)
• M3: 1,932,655 km (0.111 R)
• M4: 2,880,357 km (0.082 R)
• M5: 3,725,286 km (0.087 R)
• M6: 7,348,397 km (0.059 R)
• M7: 7,681,103 km (0.075 R)
• M8: 8,780,946 km (0.065 R)
• M9: 9,325,782 km (0.071 R)
• M10: 16,382,014 km (0.108 R)
• M11: 19,423,788 km (0.117 R)
• M12: 24,497,699 km (0.092 R)
• M13: 31,150,017 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.9

Radius: 7.6

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.19 AU - 11.23 AU

Year: 19293 Days

Day: 17.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,691,539 km

• M1: 94,546 km (0.061 R)
• M2: 531,970 km (0.11 R)
• M3: 907,012 km (0.111 R)
• M4: 1,577,958 km (0.033 R)
• M5: 2,290,044 km (0.05 R)
• M6: 3,295,342 km (0.1 R)
• M7: 3,802,479 km (0.115 R)
• M8: 5,744,409 km (0.1 R)
• M9: 7,233,207 km (0.045 R)
• M10: 7,525,371 km (0.064 R)
• M11: 9,010,429 km (0.053 R)
• M12: 9,847,429 km (0.066 R)
• M13: 10,627,882 km (0.073 R)
• M14: 12,608,857 km (0.113 R)
• M15: 13,591,565 km (0.054 R)
• M16: 15,639,261 km (0.032 R)
• M17: 23,453,655 km (0.092 R)
• M18: 26,975,787 km (0.108 R)
• M19: 29,651,794 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.4

Radius: 8

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.73 AU - 10.09 AU

Year: 19925 Days

Day: 19 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,691,539 km

• M1: 100,081 km (0.059 R)
• M2: 557,102 km (0.072 R)
• M3: 5,490,242 km (0.104 R)
• M4: 6,169,267 km (0.114 R)
• M5: 7,955,615 km (0.104 R)
• M6: 14,399,094 km (0.041 R)
• M7: 16,974,422 km (0.083 R)
• M8: 20,752,516 km (0.075 R)
• M9: 24,961,153 km (0.044 R)
• M10: 28,234,653 km (0.076 R)
• M11: 37,961,357 km (0.086 R)
• M12: 43,915,502 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 17,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit