🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.4

Radius: 8.2

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.87 AU - 1.43 AU

Year: 836 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 63.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,622,554 km

• M1: 102,774 km (0.098 R)
• M2: 417,228 km (0.088 R)
• M3: 967,001 km (0.09 R)
• M4: 1,253,929 km (0.088 R)
• M5: 1,841,550 km (0.088 R)
• M6: 2,512,496 km (0.08 R)
• M7: 2,785,213 km (0.099 R)
• M8: 3,115,675 km (0.103 R)
• M9: 3,753,710 km (0.119 R)
• M10: 4,844,428 km (0.115 R)
• M11: 6,012,937 km (0.107 R)
• M12: 6,759,580 km (0.12 R)
• M13: 7,110,686 km (0.075 R)
• M14: 7,849,550 km (0.104 R)
• M15: 8,411,439 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.3

Radius: 8.6

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.1 AU - 3.04 AU

Year: 2794 Days

Day: 9.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,622,554 km

• M1: 108,010 km (0.075 R)
• M2: 378,483 km (0.078 R)
• M3: 701,764 km (0.057 R)
• M4: 1,160,730 km (0.072 R)
• M5: 1,444,218 km (0.071 R)
• M6: 1,834,369 km (0.06 R)
• M7: 2,237,535 km (0.087 R)
• M8: 3,331,545 km (0.102 R)
• M9: 3,693,123 km (0.083 R)
• M10: 4,165,702 km (0.098 R)
• M11: 4,654,887 km (0.119 R)
• M12: 6,269,796 km (0.119 R)
• M13: 7,126,543 km (0.046 R)
• M14: 8,092,796 km (0.06 R)
• M15: 8,819,393 km (0.072 R)
• M16: 9,588,775 km (0.07 R)
• M17: 11,218,793 km (0.045 R)
• M18: 11,557,184 km (0.071 R)
• M19: 13,780,956 km (0.076 R)
• M20: 14,564,998 km (0.069 R)
• M21: 16,600,277 km (0.099 R)
• M22: 18,818,066 km (0.054 R)
• M23: 21,034,059 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.6

Radius: 9.8

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.96 AU - 5.52 AU

Year: 6999 Days

Day: 13.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,622,554 km

• M1: 122,072 km (0.09 R)
• M2: 656,286 km (0.113 R)
• M3: 988,842 km (0.087 R)
• M4: 1,808,040 km (0.054 R)
• M5: 2,144,336 km (0.05 R)
• M6: 2,671,070 km (0.076 R)
• M7: 3,282,327 km (0.056 R)
• M8: 4,726,246 km (0.098 R)
• M9: 5,130,609 km (0.092 R)
• M10: 6,519,026 km (0.12 R)
• M11: 6,947,774 km (0.07 R)
• M12: 8,725,595 km (0.113 R)
• M13: 9,070,867 km (0.119 R)
• M14: 11,440,048 km (0.095 R)
• M15: 12,331,801 km (0.109 R)
• M16: 14,915,656 km (0.088 R)
• M17: 15,535,440 km (0.108 R)
• M18: 16,236,904 km (0.067 R)
• M19: 18,823,451 km (0.059 R)
• M20: 20,139,763 km (0.089 R)
• M21: 25,844,379 km (0.081 R)
• M22: 26,557,960 km (0.106 R)
• M23: 33,794,757 km (0.089 R)
• M24: 36,956,359 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.3

Radius: 11.3

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.76 AU - 5.8 AU

Year: 8229 Days

Day: 6.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,622,554 km

• M1: 141,968 km (0.068 R)
• M2: 750,981 km (0.094 R)
• M3: 1,201,570 km (0.099 R)
• M4: 1,617,303 km (0.111 R)
• M5: 3,417,713 km (0.083 R)
• M6: 4,772,172 km (0.111 R)
• M7: 6,592,629 km (0.12 R)
• M8: 7,267,016 km (0.072 R)
• M9: 7,639,963 km (0.116 R)
• M10: 9,348,969 km (0.076 R)
• M11: 10,433,105 km (0.103 R)
• M12: 16,304,672 km (0.117 R)
• M13: 18,347,580 km (0.051 R)
• M14: 19,324,006 km (0.044 R)
• M15: 21,916,537 km (0.029 R)
• M16: 23,497,637 km (0.072 R)
• M17: 24,150,931 km (0.098 R)
• M18: 30,877,749 km (0.049 R)
• M19: 31,562,907 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86

Radius: 7.2

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.05 AU - 6.63 AU

Year: 9572 Days

Day: 17.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,622,554 km

• M1: 90,357 km (0.025 R)
• M2: 604,824 km (0.093 R)
• M3: 894,146 km (0.119 R)
• M4: 1,164,021 km (0.037 R)
• M5: 1,394,252 km (0.112 R)
• M6: 1,666,670 km (0.091 R)
• M7: 2,335,223 km (0.119 R)
• M8: 6,035,526 km (0.107 R)
• M9: 6,320,959 km (0.039 R)
• M10: 6,765,863 km (0.098 R)
• M11: 7,851,644 km (0.045 R)
• M12: 9,691,848 km (0.053 R)
• M13: 11,365,997 km (0.103 R)
• M14: 12,660,767 km (0.057 R)
• M15: 14,250,544 km (0.083 R)
• M16: 16,793,857 km (0.094 R)
• M17: 18,409,364 km (0.053 R)
• M18: 21,547,180 km (0.078 R)
• M19: 22,622,040 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.9

Radius: 5.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.37 AU - 10.41 AU

Year: 16483 Days

Day: 17.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,622,554 km

• M1: 71,358 km (0.086 R)
• M2: 298,298 km (0.049 R)
• M3: 894,296 km (0.091 R)
• M4: 1,305,840 km (0.113 R)
• M5: 2,066,844 km (0.096 R)
• M6: 2,821,715 km (0.096 R)
• M7: 3,602,915 km (0.116 R)
• M8: 3,843,319 km (0.07 R)
• M9: 6,137,253 km (0.11 R)
• M10: 6,728,763 km (0.109 R)
• M11: 7,094,230 km (0.114 R)
• M12: 7,434,266 km (0.088 R)
• M13: 8,065,420 km (0.063 R)
• M14: 10,363,991 km (0.094 R)
• M15: 10,950,415 km (0.074 R)
• M16: 12,732,125 km (0.096 R)
• M17: 16,725,491 km (0.08 R)
• M18: 23,164,333 km (0.108 R)
• M19: 26,251,734 km (0.106 R)
• M20: 37,364,163 km (0.115 R)
• M21: 38,506,941 km (0.084 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: 538 - 16,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit