🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.3

Radius: 10.1

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.63 AU - 0.77 AU

Year: 397 Days

Day: 15 Hours

Environment

Temp: -152 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,027,809 km

• M1: 125,662 km (0.1 R)
• M2: 449,242 km (0.116 R)
• M3: 1,125,275 km (0.094 R)
• M4: 1,474,736 km (0.118 R)
• M5: 1,937,292 km (0.084 R)
• M6: 2,553,636 km (0.07 R)
• M7: 2,913,718 km (0.112 R)
• M8: 3,463,041 km (0.103 R)
• M9: 3,840,626 km (0.115 R)
• M10: 4,649,053 km (0.092 R)
• M11: 4,984,003 km (0.105 R)
• M12: 5,483,360 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886

Radius: 11.3

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.22 AU - 1.46 AU

Year: 1052 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,027,809 km

• M1: 140,622 km (0.094 R)
• M2: 503,397 km (0.093 R)
• M3: 1,106,725 km (0.067 R)
• M4: 1,638,994 km (0.092 R)
• M5: 2,012,091 km (0.084 R)
• M6: 2,514,142 km (0.09 R)
• M7: 3,431,326 km (0.099 R)
• M8: 3,934,274 km (0.108 R)
• M9: 4,595,198 km (0.077 R)
• M10: 5,010,781 km (0.071 R)
• M11: 5,451,496 km (0.106 R)
• M12: 6,691,363 km (0.117 R)
• M13: 7,226,924 km (0.086 R)
• M14: 9,006,839 km (0.077 R)
• M15: 9,359,591 km (0.12 R)
• M16: 9,936,889 km (0.087 R)
• M17: 11,162,694 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.5

Radius: 11.7

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.69 AU - 2.33 AU

Year: 1933 Days

Day: 9.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,027,809 km

• M1: 145,858 km (0.033 R)
• M2: 519,553 km (0.069 R)
• M3: 1,077,853 km (0.105 R)
• M4: 2,009,847 km (0.09 R)
• M5: 3,218,449 km (0.101 R)
• M6: 3,786,771 km (0.072 R)
• M7: 4,380,824 km (0.092 R)
• M8: 5,036,212 km (0.093 R)
• M9: 5,587,630 km (0.114 R)
• M10: 6,411,466 km (0.079 R)
• M11: 6,839,166 km (0.079 R)
• M12: 7,574,888 km (0.062 R)
• M13: 8,300,288 km (0.108 R)
• M14: 9,474,332 km (0.062 R)
• M15: 9,924,622 km (0.092 R)
• M16: 11,594,433 km (0.084 R)
• M17: 12,393,884 km (0.026 R)
• M18: 12,807,223 km (0.082 R)
• M19: 13,925,019 km (0.057 R)
• M20: 14,598,957 km (0.109 R)
• M21: 15,013,642 km (0.117 R)
• M22: 15,388,834 km (0.079 R)
• M23: 16,651,739 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.1

Radius: 12.4

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.1 AU - 2.18 AU

Year: 2123 Days

Day: 5.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,027,809 km

• M1: 160,369 km (0.028 R)
• M2: 903,721 km (0.103 R)
• M3: 1,810,433 km (0.061 R)
• M4: 2,985,375 km (0.114 R)
• M5: 4,042,134 km (0.104 R)
• M6: 5,877,102 km (0.12 R)
• M7: 6,509,602 km (0.071 R)
• M8: 7,762,484 km (0.119 R)
• M9: 8,368,505 km (0.057 R)
• M10: 8,843,478 km (0.074 R)
• M11: 10,270,193 km (0.037 R)
• M12: 12,122,364 km (0.102 R)
• M13: 13,446,455 km (0.056 R)
• M14: 14,636,805 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.9

Radius: 14.9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.94 AU - 4.14 AU

Year: 4517 Days

Day: 10.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,027,809 km

• M1: 185,352 km (0.094 R)
• M2: 660,175 km (0.094 R)
• M3: 1,184,217 km (0.074 R)
• M4: 1,800,560 km (0.091 R)
• M5: 2,420,194 km (0.064 R)
• M6: 4,375,588 km (0.087 R)
• M7: 5,024,244 km (0.078 R)
• M8: 5,594,661 km (0.107 R)
• M9: 6,673,561 km (0.1 R)
• M10: 8,212,624 km (0.049 R)
• M11: 9,323,238 km (0.054 R)
• M12: 10,488,456 km (0.092 R)
• M13: 11,196,802 km (0.095 R)
• M14: 13,057,501 km (0.098 R)
• M15: 17,753,378 km (0.12 R)
• M16: 25,701,064 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.3

Radius: 14.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.25 AU - 4.37 AU

Year: 5044 Days

Day: 11.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,027,809 km

• M1: 191,784 km (0.097 R)
• M2: 1,208,751 km (0.106 R)
• M3: 1,751,342 km (0.093 R)
• M4: 2,224,969 km (0.059 R)
• M5: 2,848,044 km (0.071 R)
• M6: 3,680,257 km (0.071 R)
• M7: 4,874,347 km (0.09 R)
• M8: 5,883,235 km (0.11 R)
• M9: 6,368,381 km (0.038 R)
• M10: 11,604,606 km (0.072 R)
• M11: 12,284,528 km (0.103 R)
• M12: 13,217,271 km (0.117 R)
• M13: 13,864,880 km (0.072 R)
• M14: 14,388,622 km (0.07 R)
• M15: 18,547,294 km (0.118 R)
• M16: 19,418,851 km (0.109 R)
• M17: 20,561,779 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.7

Radius: 14.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.34 AU - 4.76 AU

Year: 5528 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,027,809 km

• M1: 175,329 km (0.074 R)
• M2: 774,019 km (0.054 R)
• M3: 1,383,481 km (0.04 R)
• M4: 1,988,604 km (0.066 R)
• M5: 2,681,542 km (0.106 R)
• M6: 3,388,691 km (0.073 R)
• M7: 4,312,308 km (0.079 R)
• M8: 6,065,595 km (0.053 R)
• M9: 7,052,492 km (0.076 R)
• M10: 7,924,349 km (0.101 R)
• M11: 10,572,830 km (0.042 R)
• M12: 11,341,015 km (0.083 R)
• M13: 12,243,239 km (0.026 R)
• M14: 13,817,757 km (0.055 R)
• M15: 14,299,163 km (0.073 R)
• M16: 16,576,192 km (0.076 R)
• M17: 19,885,596 km (0.07 R)
• M18: 20,846,912 km (0.117 R)
• M19: 22,273,627 km (0.106 R)
• M20: 23,688,524 km (0.049 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.6

Radius: 12

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.19 AU - 4.82 AU

Year: 6475 Days

Day: 6.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,027,809 km

• M1: 149,598 km (0.093 R)
• M2: 702,512 km (0.057 R)
• M3: 1,376,300 km (0.11 R)
• M4: 2,127,431 km (0.112 R)
• M5: 5,874,110 km (0.038 R)
• M6: 6,277,276 km (0.067 R)
• M7: 7,214,806 km (0.115 R)
• M8: 12,239,200 km (0.11 R)
• M9: 14,900,098 km (0.091 R)
• M10: 15,399,306 km (0.115 R)
• M11: 18,276,970 km (0.11 R)
• M12: 20,332,744 km (0.076 R)
• M13: 23,530,997 km (0.093 R)
• M14: 25,337,691 km (0.104 R)
• M15: 25,959,868 km (0.055 R)
• M16: 31,412,710 km (0.113 R)
• M17: 36,785,967 km (0.107 R)
• M18: 39,214,688 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.1

Radius: 5.8

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.13 AU - 7.09 AU

Year: 11526 Days

Day: 21.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,027,809 km

• M1: 72,106 km (0.088 R)
• M2: 387,758 km (0.083 R)
• M3: 576,700 km (0.113 R)
• M4: 778,059 km (0.038 R)
• M5: 1,210,097 km (0.044 R)
• M6: 1,897,499 km (0.1 R)
• M7: 3,181,498 km (0.119 R)
• M8: 4,297,648 km (0.099 R)
• M9: 4,548,972 km (0.115 R)
• M10: 7,116,670 km (0.069 R)
• M11: 7,588,801 km (0.086 R)
• M12: 7,832,645 km (0.103 R)
• M13: 8,905,112 km (0.073 R)
• M14: 9,176,333 km (0.107 R)
• M15: 12,705,497 km (0.09 R)
• M16: 13,049,422 km (0.119 R)
• M17: 15,374,173 km (0.084 R)
• M18: 20,043,272 km (0.117 R)
• M19: 20,982,897 km (0.071 R)
• M20: 21,544,487 km (0.054 R)
• M21: 23,717,994 km (0.115 R)
• M22: 26,402,528 km (0.036 R)
• M23: 26,962,772 km (0.086 R)
• M24: 27,817,874 km (0.11 R)
• M25: 33,115,583 km (0.103 R)
• M26: 33,986,093 km (0.117 R)
• M27: 34,206,002 km (0.053 R)
• M28: 36,228,864 km (0.072 R)
• M29: 40,634,671 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389

Radius: 8

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.15 AU - 10.43 AU

Year: 17676 Days

Day: 19.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 123.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,027,809 km

• M1: 99,483 km (0.051 R)
• M2: 415,284 km (0.112 R)
• M3: 707,897 km (0.119 R)
• M4: 961,914 km (0.089 R)
• M5: 1,825,244 km (0.115 R)
• M6: 3,228,172 km (0.12 R)
• M7: 5,774,927 km (0.119 R)
• M8: 6,914,713 km (0.116 R)
• M9: 7,515,647 km (0.115 R)
• M10: 10,714,947 km (0.117 R)
• M11: 14,310,084 km (0.077 R)
• M12: 15,213,954 km (0.068 R)
• M13: 21,631,104 km (0.109 R)
• M14: 22,913,607 km (0.118 R)
• M15: 28,986,981 km (0.101 R)
• M16: 38,509,185 km (0.103 R)
• M17: 41,629,347 km (0.062 R)
• M18: 52,805,804 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 11,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit