🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.1

Radius: 8.6

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.49 AU - 0.57 AU

Year: 271 Days

Day: 8.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,951,318 km

• M1: 106,962 km (0.096 R)
• M2: 394,041 km (0.119 R)
• M3: 1,019,210 km (0.066 R)
• M4: 1,330,224 km (0.092 R)
• M5: 1,921,435 km (0.041 R)
• M6: 2,228,709 km (0.096 R)
• M7: 2,613,924 km (0.087 R)
• M8: 3,114,029 km (0.108 R)
• M9: 3,387,195 km (0.059 R)
• M10: 4,216,416 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.6

Radius: 9.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.51 AU - 0.61 AU

Year: 295 Days

Day: 14.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,951,318 km

• M1: 120,725 km (0.061 R)
• M2: 431,291 km (0.043 R)
• M3: 785,688 km (0.046 R)
• M4: 1,162,076 km (0.115 R)
• M5: 1,532,481 km (0.085 R)
• M6: 2,070,285 km (0.086 R)
• M7: 2,730,012 km (0.096 R)
• M8: 3,345,906 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.9

Radius: 11.9

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.83 AU - 1.03 AU

Year: 630 Days

Day: 14 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,951,318 km

• M1: 147,952 km (0.062 R)
• M2: 1,099,395 km (0.116 R)
• M3: 1,507,947 km (0.098 R)
• M4: 1,966,614 km (0.095 R)
• M5: 2,877,365 km (0.116 R)
• M6: 3,461,396 km (0.111 R)
• M7: 4,108,556 km (0.081 R)
• M8: 4,689,444 km (0.105 R)
• M9: 5,135,097 km (0.12 R)
• M10: 5,959,680 km (0.053 R)
• M11: 6,912,170 km (0.088 R)
• M12: 7,359,766 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.6

Radius: 9.9

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.81 AU - 2.69 AU

Year: 2372 Days

Day: 8.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,951,318 km

• M1: 123,418 km (0.09 R)
• M2: 494,271 km (0.073 R)
• M3: 869,014 km (0.055 R)
• M4: 1,281,007 km (0.062 R)
• M5: 1,902,586 km (0.103 R)
• M6: 2,224,072 km (0.074 R)
• M7: 2,714,603 km (0.073 R)
• M8: 3,345,158 km (0.064 R)
• M9: 5,680,680 km (0.115 R)
• M10: 6,436,448 km (0.113 R)
• M11: 6,966,922 km (0.076 R)
• M12: 10,216,338 km (0.114 R)
• M13: 10,554,429 km (0.057 R)
• M14: 11,292,844 km (0.119 R)
• M15: 12,571,008 km (0.062 R)
• M16: 12,959,514 km (0.113 R)
• M17: 13,760,611 km (0.091 R)
• M18: 14,784,159 km (0.075 R)
• M19: 15,265,864 km (0.038 R)
• M20: 18,712,150 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.8

Radius: 14.8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.4 AU - 3.64 AU

Year: 4642 Days

Day: 7.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,951,318 km

• M1: 184,155 km (0.094 R)
• M2: 768,185 km (0.1 R)
• M3: 1,730,399 km (0.06 R)
• M4: 2,289,895 km (0.107 R)
• M5: 3,368,645 km (0.068 R)
• M6: 4,927,604 km (0.058 R)
• M7: 5,935,595 km (0.048 R)
• M8: 6,489,107 km (0.037 R)
• M9: 7,046,808 km (0.094 R)
• M10: 7,509,664 km (0.115 R)
• M11: 8,669,645 km (0.094 R)
• M12: 9,421,076 km (0.093 R)
• M13: 11,427,931 km (0.099 R)
• M14: 13,191,091 km (0.12 R)
• M15: 15,955,660 km (0.048 R)
• M16: 16,703,201 km (0.09 R)
• M17: 17,473,929 km (0.094 R)
• M18: 20,985,888 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.3

Radius: 10.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.27 AU - 4.37 AU

Year: 5248 Days

Day: 10.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,951,318 km

• M1: 128,355 km (0.041 R)
• M2: 559,197 km (0.108 R)
• M3: 1,325,138 km (0.115 R)
• M4: 1,786,797 km (0.08 R)
• M5: 2,119,353 km (0.116 R)
• M6: 2,606,294 km (0.078 R)
• M7: 3,638,669 km (0.094 R)
• M8: 4,363,620 km (0.102 R)
• M9: 4,949,296 km (0.089 R)
• M10: 6,864,597 km (0.081 R)
• M11: 9,113,652 km (0.065 R)
• M12: 9,504,850 km (0.071 R)
• M13: 10,237,281 km (0.098 R)
• M14: 11,953,019 km (0.062 R)
• M15: 12,422,158 km (0.049 R)
• M16: 13,750,587 km (0.074 R)
• M17: 14,213,892 km (0.114 R)
• M18: 14,901,294 km (0.108 R)
• M19: 16,457,112 km (0.106 R)
• M20: 18,302,851 km (0.115 R)
• M21: 18,863,693 km (0.092 R)
• M22: 20,883,414 km (0.069 R)
• M23: 22,899,544 km (0.095 R)
• M24: 23,770,653 km (0.051 R)
• M25: 25,733,527 km (0.087 R)
• M26: 26,437,534 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.2

Radius: 6.7

Gravity: 16.67 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.8 AU - 6.58 AU

Year: 9541 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,951,318 km

• M1: 85,869 km (0.093 R)
• M2: 664,364 km (0.1 R)
• M3: 1,347,129 km (0.105 R)
• M4: 2,348,836 km (0.107 R)
• M5: 3,094,133 km (0.093 R)
• M6: 8,515,260 km (0.062 R)
• M7: 8,834,801 km (0.109 R)
• M8: 10,658,848 km (0.087 R)
• M9: 10,923,188 km (0.104 R)
• M10: 13,503,601 km (0.088 R)
• M11: 16,115,431 km (0.086 R)
• M12: 19,435,606 km (0.041 R)
• M13: 21,886,019 km (0.055 R)
• M14: 23,718,892 km (0.113 R)
• M15: 29,102,620 km (0.102 R)
• M16: 33,864,171 km (0.098 R)
• M17: 35,364,338 km (0.108 R)
• M18: 37,149,938 km (0.034 R)
• M19: 39,623,090 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.4

Radius: 5.3

Gravity: 18.24 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.34 AU - 7.68 AU

Year: 13046 Days

Day: 25 Hours

Environment

Temp: -225 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,951,318 km

• M1: 65,973 km (0.094 R)
• M2: 241,002 km (0.118 R)
• M3: 416,181 km (0.039 R)
• M4: 641,326 km (0.105 R)
• M5: 866,920 km (0.108 R)
• M6: 1,425,219 km (0.096 R)
• M7: 2,123,243 km (0.107 R)
• M8: 4,278,050 km (0.08 R)
• M9: 4,638,132 km (0.085 R)
• M10: 4,953,335 km (0.111 R)
• M11: 5,591,520 km (0.115 R)
• M12: 6,358,957 km (0.104 R)
• M13: 6,629,729 km (0.077 R)
• M14: 7,277,488 km (0.106 R)
• M15: 10,667,974 km (0.027 R)
• M16: 12,017,496 km (0.084 R)
• M17: 16,380,368 km (0.07 R)
• M18: 16,889,450 km (0.098 R)
• M19: 20,002,432 km (0.081 R)
• M20: 23,022,664 km (0.069 R)
• M21: 24,878,126 km (0.101 R)
• M22: 27,031,737 km (0.08 R)
• M23: 27,436,249 km (0.08 R)
• M24: 27,742,177 km (0.11 R)
• M25: 31,038,716 km (0.113 R)
• M26: 32,723,786 km (0.115 R)
• M27: 36,766,968 km (0.093 R)
• M28: 41,130,738 km (0.118 R)
• M29: 43,023,749 km (0.092 R)
• M30: 43,436,789 km (0.095 R)
• M31: 48,008,500 km (0.043 R)
• M32: 48,900,103 km (0.107 R)
• M33: 51,640,587 km (0.073 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 19,290 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit