🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.5

Radius: 14.8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.43 AU - 0.65 AU

Year: 269 Days

Day: 11 Hours

Environment

Temp: -137 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,110,216 km

• M1: 184,005 km (0.048 R)
• M2: 730,786 km (0.101 R)
• M3: 1,200,523 km (0.04 R)
• M4: 2,066,096 km (0.092 R)
• M5: 2,929,426 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.1

Radius: 9.8

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.88 AU - 1.02 AU

Year: 628 Days

Day: 11.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,110,216 km

• M1: 122,221 km (0.105 R)
• M2: 479,312 km (0.055 R)
• M3: 884,423 km (0.052 R)
• M4: 1,199,925 km (0.037 R)
• M5: 1,741,469 km (0.111 R)
• M6: 2,078,812 km (0.053 R)
• M7: 2,398,503 km (0.071 R)
• M8: 2,934,512 km (0.116 R)
• M9: 3,767,174 km (0.077 R)
• M10: 4,307,222 km (0.103 R)
• M11: 4,652,344 km (0.118 R)
• M12: 5,470,196 km (0.118 R)
• M13: 6,124,686 km (0.084 R)
• M14: 7,020,778 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.6

Radius: 13.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.58 AU - 1.62 AU

Year: 1373 Days

Day: 7.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,110,216 km

• M1: 168,148 km (0.073 R)
• M2: 614,997 km (0.074 R)
• M3: 1,223,112 km (0.078 R)
• M4: 1,846,487 km (0.094 R)
• M5: 3,018,287 km (0.086 R)
• M6: 3,698,658 km (0.088 R)
• M7: 4,496,762 km (0.104 R)
• M8: 5,154,245 km (0.079 R)
• M9: 7,201,193 km (0.063 R)
• M10: 9,023,444 km (0.102 R)
• M11: 9,802,700 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.2

Radius: 9.7

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.67 AU - 2.41 AU

Year: 1976 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,110,216 km

• M1: 120,576 km (0.096 R)
• M2: 591,959 km (0.064 R)
• M3: 1,224,608 km (0.115 R)
• M4: 1,897,350 km (0.054 R)
• M5: 2,223,922 km (0.11 R)
• M6: 2,843,407 km (0.098 R)
• M7: 3,455,112 km (0.082 R)
• M8: 3,928,290 km (0.102 R)
• M9: 4,687,799 km (0.099 R)
• M10: 5,048,180 km (0.116 R)
• M11: 7,935,419 km (0.075 R)
• M12: 8,572,856 km (0.112 R)
• M13: 9,508,889 km (0.099 R)
• M14: 10,228,006 km (0.113 R)
• M15: 11,317,827 km (0.029 R)
• M16: 12,685,151 km (0.063 R)
• M17: 13,136,787 km (0.059 R)
• M18: 13,985,456 km (0.118 R)
• M19: 14,690,212 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.5

Radius: 13

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.17 AU - 3.31 AU

Year: 3076 Days

Day: 11.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,110,216 km

• M1: 162,463 km (0.067 R)
• M2: 588,219 km (0.107 R)
• M3: 1,362,537 km (0.086 R)
• M4: 1,796,222 km (0.112 R)
• M5: 2,386,684 km (0.12 R)
• M6: 3,089,346 km (0.091 R)
• M7: 4,418,224 km (0.103 R)
• M8: 4,972,783 km (0.066 R)
• M9: 5,596,606 km (0.064 R)
• M10: 8,383,165 km (0.039 R)
• M11: 8,977,667 km (0.107 R)
• M12: 9,734,782 km (0.106 R)
• M13: 10,216,188 km (0.074 R)
• M14: 14,001,912 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.3

Radius: 3.1

Gravity: 27.5 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.9 AU - 8.02 AU

Year: 12454 Days

Day: 16.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,110,216 km

• M1: 39,195 km (0.034 R)
• M2: 213,327 km (0.102 R)
• M3: 1,398,441 km (0.089 R)
• M4: 1,843,943 km (0.114 R)
• M5: 2,099,307 km (0.078 R)
• M6: 3,360,267 km (0.077 R)
• M7: 3,839,729 km (0.114 R)
• M8: 4,786,234 km (0.057 R)
• M9: 4,962,760 km (0.029 R)
• M10: 6,499,429 km (0.107 R)
• M11: 9,702,768 km (0.068 R)
• M12: 17,474,976 km (0.073 R)
• M13: 29,261,194 km (0.108 R)
• M14: 31,564,702 km (0.12 R)
• M15: 33,556,298 km (0.073 R)
• M16: 34,093,953 km (0.091 R)
• M17: 35,853,224 km (0.088 R)
• M18: 38,839,497 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.7

Radius: 5.7

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.46 AU - 8.44 AU

Year: 13792 Days

Day: 18.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,110,216 km

• M1: 70,909 km (0.041 R)
• M2: 426,653 km (0.098 R)
• M3: 763,996 km (0.117 R)
• M4: 1,108,071 km (0.067 R)
• M5: 1,296,266 km (0.106 R)
• M6: 1,750,445 km (0.089 R)
• M7: 2,034,830 km (0.066 R)
• M8: 2,487,513 km (0.074 R)
• M9: 4,410,893 km (0.118 R)
• M10: 5,427,860 km (0.071 R)
• M11: 5,725,410 km (0.025 R)
• M12: 8,191,830 km (0.108 R)
• M13: 9,481,663 km (0.027 R)
• M14: 10,033,529 km (0.095 R)
• M15: 12,225,886 km (0.084 R)
• M16: 12,927,051 km (0.11 R)
• M17: 13,166,557 km (0.075 R)
• M18: 20,485,932 km (0.109 R)
• M19: 22,081,244 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.4

Radius: 4.3

Gravity: 16.84 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.3 AU - 10.78 AU

Year: 18435 Days

Day: 15.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,110,216 km

• M1: 144,362 km (0.027 R)
• M2: 603,627 km (0.106 R)
• M3: 1,593,517 km (0.079 R)
• M4: 2,097,661 km (0.102 R)
• M5: 2,789,851 km (0.11 R)
• M6: 5,165,614 km (0.074 R)
• M7: 7,098,569 km (0.084 R)
• M8: 8,109,850 km (0.086 R)
• M9: 8,388,701 km (0.113 R)
• M10: 14,027,942 km (0.087 R)
• M11: 15,046,853 km (0.079 R)
• M12: 15,752,805 km (0.102 R)
• M13: 21,677,629 km (0.065 R)
• M14: 26,223,160 km (0.073 R)
• M15: 27,764,168 km (0.049 R)
• M16: 28,079,520 km (0.083 R)
• M17: 34,170,846 km (0.049 R)
• M18: 34,775,671 km (0.045 R)
• M19: 48,725,822 km (0.088 R)
• M20: 49,491,912 km (0.115 R)
• M21: 50,110,500 km (0.09 R)
• M22: 51,997,377 km (0.078 R)
• M23: 52,797,277 km (0.059 R)
• M24: 53,930,930 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.4

Radius: 6.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.3 AU - 11.16 AU

Year: 19019 Days

Day: 16.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,110,216 km

• M1: 79,586 km (0.075 R)
• M2: 386,411 km (0.112 R)
• M3: 768,335 km (0.114 R)
• M4: 1,674,000 km (0.098 R)
• M5: 2,260,723 km (0.088 R)
• M6: 2,534,637 km (0.109 R)
• M7: 2,749,459 km (0.11 R)
• M8: 3,083,661 km (0.101 R)
• M9: 4,555,704 km (0.078 R)
• M10: 5,887,723 km (0.104 R)
• M11: 6,092,373 km (0.1 R)
• M12: 8,408,148 km (0.116 R)
• M13: 10,390,320 km (0.047 R)
• M14: 11,253,350 km (0.065 R)
• M15: 11,782,777 km (0.117 R)
• M16: 13,353,704 km (0.109 R)
• M17: 13,767,342 km (0.093 R)
• M18: 19,417,804 km (0.094 R)
• M19: 21,039,295 km (0.044 R)
• M20: 21,278,053 km (0.12 R)
• M21: 26,813,474 km (0.047 R)
• M22: 32,701,795 km (0.063 R)
• M23: 33,887,209 km (0.1 R)
• M24: 34,215,427 km (0.09 R)
• M25: 34,545,739 km (0.071 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 14,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit