🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.4

Radius: 11

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.67 AU - 0.89 AU

Year: 459 Days

Day: 14.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,085,996 km

• M1: 136,732 km (0.063 R)
• M2: 524,341 km (0.105 R)
• M3: 919,877 km (0.085 R)
• M4: 1,454,540 km (0.111 R)
• M5: 2,103,795 km (0.099 R)
• M6: 2,520,126 km (0.036 R)
• M7: 2,980,588 km (0.106 R)
• M8: 3,619,371 km (0.075 R)
• M9: 4,814,359 km (0.08 R)
• M10: 5,560,702 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813

Radius: 9.5

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.87 AU - 1.11 AU

Year: 657 Days

Day: 6.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,085,996 km

• M1: 118,182 km (0.083 R)
• M2: 421,567 km (0.102 R)
• M3: 717,172 km (0.044 R)
• M4: 1,024,446 km (0.059 R)
• M5: 1,634,357 km (0.035 R)
• M6: 2,459,539 km (0.092 R)
• M7: 2,781,922 km (0.064 R)
• M8: 3,095,030 km (0.03 R)
• M9: 3,693,123 km (0.036 R)
• M10: 4,148,648 km (0.046 R)
• M11: 4,446,198 km (0.087 R)
• M12: 4,893,496 km (0.04 R)
• M13: 5,878,748 km (0.077 R)
• M14: 6,418,497 km (0.072 R)
• M15: 7,078,522 km (0.066 R)
• M16: 7,759,642 km (0.09 R)
• M17: 8,164,753 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.4

Radius: 13.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.23 AU - 1.97 AU

Year: 1350 Days

Day: 10.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,085,996 km

• M1: 162,912 km (0.097 R)
• M2: 686,056 km (0.115 R)
• M3: 1,120,787 km (0.051 R)
• M4: 1,655,151 km (0.113 R)
• M5: 2,084,347 km (0.117 R)
• M6: 2,521,472 km (0.068 R)
• M7: 3,472,017 km (0.041 R)
• M8: 3,968,981 km (0.088 R)
• M9: 5,852,867 km (0.079 R)
• M10: 7,465,981 km (0.119 R)
• M11: 7,973,567 km (0.05 R)
• M12: 8,686,251 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.8

Radius: 8

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.37 AU - 2.19 AU

Year: 1584 Days

Day: 10.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,085,996 km

• M1: 102,026 km (0.082 R)
• M2: 368,011 km (0.077 R)
• M3: 627,114 km (0.119 R)
• M4: 910,453 km (0.106 R)
• M5: 1,295,817 km (0.112 R)
• M6: 1,665,024 km (0.101 R)
• M7: 1,945,820 km (0.074 R)
• M8: 2,421,092 km (0.099 R)
• M9: 2,930,622 km (0.083 R)
• M10: 3,992,468 km (0.107 R)
• M11: 4,518,604 km (0.078 R)
• M12: 4,933,289 km (0.072 R)
• M13: 5,189,999 km (0.039 R)
• M14: 5,623,833 km (0.098 R)
• M15: 5,926,170 km (0.075 R)
• M16: 6,802,365 km (0.09 R)
• M17: 7,788,514 km (0.104 R)
• M18: 8,083,222 km (0.095 R)
• M19: 10,715,995 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811

Radius: 10.9

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.86 AU - 1.96 AU

Year: 1760 Days

Day: 10.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,085,996 km

• M1: 135,536 km (0.061 R)
• M2: 474,824 km (0.054 R)
• M3: 1,123,630 km (0.12 R)
• M4: 1,593,816 km (0.118 R)
• M5: 2,085,843 km (0.117 R)
• M6: 2,953,511 km (0.073 R)
• M7: 3,378,818 km (0.061 R)
• M8: 4,140,869 km (0.077 R)
• M9: 4,758,559 km (0.066 R)
• M10: 5,459,574 km (0.086 R)
• M11: 6,005,158 km (0.106 R)
• M12: 6,482,824 km (0.106 R)
• M13: 7,980,598 km (0.03 R)
• M14: 8,465,744 km (0.044 R)
• M15: 8,842,431 km (0.025 R)
• M16: 11,418,656 km (0.062 R)
• M17: 11,996,253 km (0.032 R)
• M18: 13,504,349 km (0.101 R)
• M19: 14,019,564 km (0.073 R)
• M20: 14,503,364 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.4

Radius: 10.6

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.7 AU - 4.48 AU

Year: 5516 Days

Day: 9.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 86,085,996 km

• M1: 131,796 km (0.083 R)
• M2: 685,457 km (0.117 R)
• M3: 1,173,446 km (0.113 R)
• M4: 3,591,396 km (0.099 R)
• M5: 7,298,880 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.3

Radius: 7.5

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.96 AU - 11.1 AU

Year: 18095 Days

Day: 21.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,085,996 km

• M1: 95,144 km (0.087 R)
• M2: 683,662 km (0.117 R)
• M3: 952,041 km (0.046 R)
• M4: 1,556,267 km (0.068 R)
• M5: 3,740,545 km (0.084 R)
• M6: 3,992,318 km (0.098 R)
• M7: 4,881,827 km (0.076 R)
• M8: 5,115,050 km (0.038 R)
• M9: 5,640,289 km (0.105 R)
• M10: 6,009,945 km (0.102 R)
• M11: 8,060,034 km (0.094 R)
• M12: 8,918,127 km (0.091 R)
• M13: 9,318,302 km (0.099 R)
• M14: 10,047,741 km (0.116 R)
• M15: 12,526,129 km (0.114 R)
• M16: 13,740,864 km (0.089 R)
• M17: 17,464,355 km (0.032 R)
• M18: 21,541,645 km (0.106 R)
• M19: 22,536,919 km (0.062 R)
• M20: 24,231,265 km (0.055 R)
• M21: 27,555,180 km (0.088 R)
• M22: 30,155,191 km (0.106 R)
• M23: 31,744,967 km (0.111 R)
• M24: 34,721,666 km (0.08 R)
• M25: 35,462,774 km (0.058 R)
• M26: 39,997,683 km (0.096 R)
• M27: 44,469,014 km (0.055 R)
• M28: 46,675,134 km (0.037 R)
• M29: 48,491,701 km (0.108 R)
• M30: 52,588,588 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.2

Radius: 3.8

Gravity: 46.2 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.56 AU - 10.8 AU

Year: 21660 Days

Day: 21 Hours

Environment

Temp: -241 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,085,996 km

• M1: 47,273 km (0.068 R)
• M2: 191,635 km (0.107 R)
• M3: 378,931 km (0.043 R)
• M4: 518,656 km (0.096 R)
• M5: 712,235 km (0.086 R)
• M6: 989,440 km (0.034 R)
• M7: 1,132,456 km (0.091 R)
• M8: 1,444,367 km (0.054 R)
• M9: 2,369,929 km (0.086 R)
• M10: 2,930,024 km (0.036 R)
• M11: 3,397,517 km (0.042 R)
• M12: 3,603,663 km (0.071 R)
• M13: 4,139,523 km (0.117 R)
• M14: 4,548,374 km (0.092 R)
• M15: 5,894,754 km (0.072 R)
• M16: 6,021,314 km (0.086 R)
• M17: 6,149,669 km (0.09 R)
• M18: 7,194,910 km (0.064 R)
• M19: 7,584,762 km (0.116 R)
• M20: 8,838,541 km (0.08 R)
• M21: 9,514,574 km (0.112 R)
• M22: 10,468,560 km (0.079 R)
• M23: 11,748,519 km (0.12 R)
• M24: 13,417,732 km (0.05 R)
• M25: 21,878,090 km (0.114 R)
• M26: 23,214,298 km (0.111 R)
• M27: 24,278,538 km (0.064 R)
• M28: 24,932,430 km (0.091 R)
• M29: 28,378,716 km (0.112 R)
• M30: 33,049,760 km (0.113 R)
• M31: 35,357,906 km (0.041 R)
• M32: 38,648,311 km (0.077 R)
• M33: 48,180,238 km (0.109 R)
• M34: 48,351,079 km (0.066 R)
• M35: 50,786,084 km (0.066 R)
• M36: 56,846,742 km (0.061 R)
• M37: 72,374,702 km (0.057 R)
• M38: 74,408,784 km (0.075 R)
• M39: 77,413,607 km (0.142 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.4

Radius: 5.9

Gravity: 24.09 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.7 AU - 12.72 AU

Year: 21755 Days

Day: 22.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,085,996 km

• M1: 85,420 km (0.053 R)
• M2: 393,742 km (0.116 R)
• M3: 591,959 km (0.094 R)
• M4: 869,912 km (0.081 R)
• M5: 1,175,390 km (0.112 R)
• M6: 2,171,114 km (0.113 R)
• M7: 4,394,886 km (0.064 R)
• M8: 8,282,785 km (0.054 R)
• M9: 9,233,480 km (0.111 R)
• M10: 10,007,948 km (0.112 R)
• M11: 11,282,821 km (0.034 R)
• M12: 15,586,752 km (0.045 R)
• M13: 21,478,365 km (0.112 R)
• M14: 25,027,125 km (0.082 R)
• M15: 28,948,086 km (0.107 R)
• M16: 31,777,729 km (0.063 R)
• M17: 38,279,702 km (0.084 R)
• M18: 44,775,690 km (0.07 R)
• M19: 49,254,201 km (0.108 R)
• M20: 50,871,504 km (0.12 R)
• M21: 51,969,253 km (0.109 R)
• M22: 63,405,711 km (0.06 R)
• M23: 74,988,925 km (0.069 R)
• M24: 77,126,977 km (0.104 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: 431 - 14,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit