🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.2

Radius: 8

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.59 AU - 0.87 AU

Year: 403 Days

Day: 12.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,021,378 km

• M1: 99,483 km (0.115 R)
• M2: 351,854 km (0.12 R)
• M3: 603,627 km (0.093 R)
• M4: 1,004,101 km (0.116 R)
• M5: 1,302,848 km (0.08 R)
• M6: 1,553,275 km (0.073 R)
• M7: 2,049,940 km (0.078 R)
• M8: 2,459,389 km (0.105 R)
• M9: 2,857,619 km (0.093 R)
• M10: 3,146,642 km (0.086 R)
• M11: 3,718,853 km (0.03 R)
• M12: 4,023,285 km (0.053 R)
• M13: 4,489,133 km (0.104 R)
• M14: 4,959,020 km (0.06 R)
• M15: 5,411,254 km (0.046 R)
• M16: 5,750,991 km (0.095 R)
• M17: 6,140,993 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 13.5

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.22 AU - 1.4 AU

Year: 968 Days

Day: 7.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,021,378 km

• M1: 167,998 km (0.065 R)
• M2: 641,476 km (0.114 R)
• M3: 1,099,844 km (0.059 R)
• M4: 1,577,809 km (0.11 R)
• M5: 2,692,313 km (0.108 R)
• M6: 3,350,992 km (0.072 R)
• M7: 3,788,117 km (0.072 R)
• M8: 4,354,196 km (0.085 R)
• M9: 5,459,125 km (0.11 R)
• M10: 6,909,178 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.5

Radius: 8.3

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.81 AU - 2.09 AU

Year: 1758 Days

Day: 12.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,021,378 km

• M1: 110,403 km (0.111 R)
• M2: 410,945 km (0.061 R)
• M3: 952,490 km (0.063 R)
• M4: 1,244,355 km (0.041 R)
• M5: 1,518,269 km (0.091 R)
• M6: 2,049,042 km (0.099 R)
• M7: 2,847,895 km (0.119 R)
• M8: 4,715,624 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.7

Radius: 9.9

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.77 AU - 2.51 AU

Year: 2021 Days

Day: 8 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,021,378 km

• M1: 123,269 km (0.09 R)
• M2: 480,359 km (0.034 R)
• M3: 1,793,978 km (0.075 R)
• M4: 2,359,158 km (0.099 R)
• M5: 3,010,358 km (0.092 R)
• M6: 3,324,214 km (0.046 R)
• M7: 4,053,953 km (0.115 R)
• M8: 4,767,086 km (0.086 R)
• M9: 5,830,128 km (0.039 R)
• M10: 6,345,044 km (0.106 R)
• M11: 7,439,203 km (0.073 R)
• M12: 9,388,164 km (0.102 R)
• M13: 12,588,362 km (0.098 R)
• M14: 13,014,267 km (0.107 R)

Asteroid Belt

Center: 2.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.8

Radius: 8.5

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.56 AU - 3.16 AU

Year: 3123 Days

Day: 12.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,021,378 km

• M1: 105,766 km (0.104 R)
• M2: 370,105 km (0.09 R)
• M3: 879,486 km (0.093 R)
• M4: 1,439,730 km (0.042 R)
• M5: 2,063,254 km (0.109 R)
• M6: 2,607,640 km (0.117 R)
• M7: 2,907,584 km (0.107 R)
• M8: 3,230,566 km (0.091 R)
• M9: 3,965,092 km (0.098 R)
• M10: 5,804,098 km (0.076 R)
• M11: 7,075,231 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.9

Radius: 8.3

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.83 AU - 5.23 AU

Year: 6225 Days

Day: 14.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,021,378 km

• M1: 103,223 km (0.049 R)
• M2: 364,720 km (0.075 R)
• M3: 627,563 km (0.083 R)
• M4: 897,438 km (0.079 R)
• M5: 1,176,138 km (0.102 R)
• M6: 2,058,915 km (0.073 R)
• M7: 2,951,267 km (0.112 R)
• M8: 3,802,927 km (0.088 R)
• M9: 5,740,369 km (0.104 R)
• M10: 6,888,084 km (0.069 R)
• M11: 7,660,757 km (0.11 R)
• M12: 8,686,550 km (0.081 R)
• M13: 9,253,227 km (0.089 R)
• M14: 10,237,431 km (0.104 R)
• M15: 10,595,568 km (0.115 R)
• M16: 11,289,703 km (0.118 R)
• M17: 16,651,889 km (0.05 R)
• M18: 17,589,568 km (0.076 R)
• M19: 18,168,811 km (0.045 R)
• M20: 24,839,978 km (0.1 R)
• M21: 25,815,357 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886

Radius: 12

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.94 AU - 5.9 AU

Year: 7046 Days

Day: 9.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,021,378 km

• M1: 149,299 km (0.114 R)
• M2: 536,308 km (0.116 R)
• M3: 951,293 km (0.077 R)
• M4: 1,684,472 km (0.076 R)
• M5: 2,612,278 km (0.107 R)
• M6: 4,082,077 km (0.087 R)
• M7: 5,207,801 km (0.068 R)
• M8: 6,077,713 km (0.106 R)
• M9: 6,601,604 km (0.12 R)
• M10: 7,740,044 km (0.063 R)
• M11: 8,230,576 km (0.116 R)
• M12: 8,698,219 km (0.107 R)
• M13: 10,257,477 km (0.032 R)
• M14: 11,941,800 km (0.091 R)
• M15: 12,709,536 km (0.041 R)
• M16: 14,587,737 km (0.054 R)
• M17: 16,310,955 km (0.088 R)
• M18: 20,081,719 km (0.063 R)
• M19: 22,128,667 km (0.067 R)
• M20: 24,138,215 km (0.037 R)
• M21: 25,633,446 km (0.099 R)
• M22: 27,753,547 km (0.104 R)
• M23: 28,614,183 km (0.114 R)
• M24: 30,288,183 km (0.028 R)
• M25: 31,715,048 km (0.099 R)
• M26: 33,293,006 km (0.037 R)
• M27: 33,938,671 km (0.101 R)
• M28: 35,033,278 km (0.052 R)
• M29: 36,719,097 km (0.116 R)
• M30: 40,373,473 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.4

Radius: 5.6

Gravity: 30.85 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.91 AU - 9.27 AU

Year: 14857 Days

Day: 23.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,021,378 km

• M1: 69,713 km (0.119 R)
• M2: 431,889 km (0.098 R)
• M3: 620,831 km (0.112 R)
• M4: 1,073,365 km (0.085 R)
• M5: 1,540,409 km (0.119 R)
• M6: 1,829,133 km (0.084 R)
• M7: 2,256,085 km (0.111 R)
• M8: 2,917,158 km (0.104 R)
• M9: 3,612,938 km (0.072 R)
• M10: 4,513,069 km (0.108 R)
• M11: 6,922,941 km (0.097 R)
• M12: 7,286,015 km (0.106 R)
• M13: 7,613,933 km (0.084 R)
• M14: 10,962,532 km (0.075 R)
• M15: 11,518,438 km (0.09 R)
• M16: 12,619,478 km (0.085 R)
• M17: 13,577,353 km (0.112 R)
• M18: 17,229,785 km (0.119 R)
• M19: 23,049,442 km (0.053 R)
• M20: 29,817,249 km (0.079 R)
• M21: 30,898,094 km (0.087 R)
• M22: 36,970,122 km (0.105 R)
• M23: 42,726,199 km (0.101 R)
• M24: 43,028,686 km (0.092 R)
• M25: 50,725,197 km (0.108 R)
• M26: 55,973,539 km (0.089 R)
• M27: 57,431,819 km (0.099 R)
• M28: 62,930,588 km (0.039 R)
• M29: 64,308,385 km (0.112 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: 399 - 19,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit