🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.4

Radius: 9.9

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.64 AU - 0.94 AU

Year: 476 Days

Day: 6.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,950,430 km

• M1: 123,119 km (0.073 R)
• M2: 435,479 km (0.1 R)
• M3: 973,284 km (0.053 R)
• M4: 1,545,944 km (0.089 R)
• M5: 2,046,499 km (0.114 R)
• M6: 2,483,325 km (0.057 R)
• M7: 2,904,891 km (0.049 R)
• M8: 3,219,945 km (0.09 R)
• M9: 4,068,464 km (0.112 R)
• M10: 4,672,241 km (0.102 R)
• M11: 5,027,685 km (0.097 R)
• M12: 5,434,292 km (0.09 R)
• M13: 6,148,921 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.6

Radius: 9

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.8 AU - 1.32 AU

Year: 740 Days

Day: 8.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,950,430 km

• M1: 111,899 km (0.115 R)
• M2: 475,123 km (0.104 R)
• M3: 833,859 km (0.062 R)
• M4: 1,178,233 km (0.107 R)
• M5: 1,480,720 km (0.105 R)
• M6: 1,899,893 km (0.075 R)
• M7: 2,288,997 km (0.086 R)
• M8: 2,623,947 km (0.112 R)
• M9: 3,108,494 km (0.082 R)
• M10: 3,549,808 km (0.079 R)
• M11: 3,831,201 km (0.11 R)
• M12: 5,000,010 km (0.109 R)
• M13: 5,528,689 km (0.118 R)
• M14: 6,031,786 km (0.118 R)
• M15: 6,326,644 km (0.086 R)
• M16: 7,507,569 km (0.12 R)
• M17: 7,849,101 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.7

Radius: 10

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.99 AU - 2.31 AU

Year: 2138 Days

Day: 13.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,950,430 km

• M1: 124,316 km (0.026 R)
• M2: 522,845 km (0.086 R)
• M3: 850,464 km (0.096 R)
• M4: 1,845,589 km (0.103 R)
• M5: 2,195,349 km (0.115 R)
• M6: 2,632,923 km (0.073 R)
• M7: 3,046,860 km (0.101 R)
• M8: 3,503,881 km (0.07 R)
• M9: 5,109,665 km (0.114 R)
• M10: 6,192,155 km (0.118 R)
• M11: 6,566,898 km (0.12 R)
• M12: 7,540,331 km (0.1 R)
• M13: 8,315,398 km (0.106 R)
• M14: 8,705,848 km (0.093 R)
• M15: 10,807,100 km (0.079 R)
• M16: 11,550,302 km (0.091 R)
• M17: 12,835,647 km (0.059 R)
• M18: 13,669,206 km (0.073 R)
• M19: 15,395,416 km (0.115 R)
• M20: 15,737,696 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.8

Radius: 10.3

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.58 AU - 3.12 AU

Year: 3263 Days

Day: 7.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,950,430 km

• M1: 128,205 km (0.1 R)
• M2: 725,101 km (0.064 R)
• M3: 1,529,489 km (0.102 R)
• M4: 1,885,831 km (0.106 R)
• M5: 3,771,362 km (0.101 R)
• M6: 5,436,536 km (0.101 R)
• M7: 7,389,387 km (0.112 R)
• M8: 11,094,328 km (0.1 R)
• M9: 12,755,762 km (0.075 R)
• M10: 14,046,791 km (0.057 R)
• M11: 18,441,528 km (0.101 R)
• M12: 20,271,559 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.9

Radius: 8.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.31 AU - 3.47 AU

Year: 3332 Days

Day: 10.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,950,430 km

• M1: 107,710 km (0.113 R)
• M2: 390,151 km (0.109 R)
• M3: 707,149 km (0.028 R)
• M4: 1,058,704 km (0.046 R)
• M5: 1,411,606 km (0.092 R)
• M6: 2,227,512 km (0.086 R)
• M7: 2,784,166 km (0.091 R)
• M8: 3,226,976 km (0.103 R)
• M9: 3,553,697 km (0.102 R)
• M10: 4,754,968 km (0.085 R)
• M11: 5,065,234 km (0.08 R)
• M12: 5,726,606 km (0.079 R)
• M13: 6,027,149 km (0.085 R)
• M14: 6,551,489 km (0.077 R)
• M15: 7,394,772 km (0.1 R)
• M16: 7,934,372 km (0.12 R)
• M17: 8,694,329 km (0.116 R)
• M18: 10,103,840 km (0.104 R)
• M19: 10,581,057 km (0.026 R)
• M20: 10,996,341 km (0.052 R)
• M21: 11,540,728 km (0.073 R)
• M22: 14,170,060 km (0.092 R)
• M23: 16,815,549 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.1

Radius: 8

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.75 AU - 4.31 AU

Year: 4498 Days

Day: 12.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,950,430 km

• M1: 99,483 km (0.11 R)
• M2: 466,745 km (0.114 R)
• M3: 937,829 km (0.05 R)
• M4: 1,219,223 km (0.109 R)
• M5: 1,523,206 km (0.111 R)
• M6: 2,316,822 km (0.066 R)
• M7: 2,719,689 km (0.097 R)
• M8: 3,093,385 km (0.055 R)
• M9: 3,400,958 km (0.067 R)
• M10: 4,424,357 km (0.09 R)
• M11: 5,584,339 km (0.104 R)
• M12: 6,617,611 km (0.078 R)
• M13: 7,032,147 km (0.04 R)
• M14: 7,948,584 km (0.057 R)
• M15: 8,454,075 km (0.115 R)
• M16: 9,330,718 km (0.107 R)
• M17: 9,770,985 km (0.119 R)
• M18: 11,443,938 km (0.071 R)
• M19: 12,515,507 km (0.036 R)
• M20: 13,703,464 km (0.087 R)
• M21: 14,483,168 km (0.113 R)
• M22: 15,292,044 km (0.031 R)
• M23: 16,532,509 km (0.114 R)
• M24: 16,823,477 km (0.071 R)
• M25: 22,027,838 km (0.087 R)
• M26: 24,199,849 km (0.081 R)
• M27: 25,569,418 km (0.092 R)
• M28: 26,590,124 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.9

Radius: 11.3

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.04 AU - 4.14 AU

Year: 4614 Days

Day: 9.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,950,430 km

• M1: 162,912 km (0.079 R)
• M2: 1,339,051 km (0.07 R)
• M3: 1,752,090 km (0.097 R)
• M4: 2,235,441 km (0.064 R)
• M5: 2,685,282 km (0.069 R)
• M6: 3,061,969 km (0.073 R)
• M7: 4,991,483 km (0.118 R)
• M8: 5,537,066 km (0.089 R)
• M9: 6,182,730 km (0.084 R)
• M10: 10,320,458 km (0.092 R)
• M11: 13,287,133 km (0.105 R)
• M12: 20,498,947 km (0.045 R)
• M13: 21,970,841 km (0.063 R)
• M14: 24,578,930 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.3

Radius: 10.1

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.32 AU - 5.38 AU

Year: 6154 Days

Day: 9.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,950,430 km

• M1: 127,158 km (0.108 R)
• M2: 520,301 km (0.075 R)
• M3: 888,013 km (0.104 R)
• M4: 1,215,034 km (0.056 R)
• M5: 1,937,741 km (0.099 R)
• M6: 2,985,973 km (0.103 R)
• M7: 4,429,892 km (0.071 R)
• M8: 5,199,573 km (0.113 R)
• M9: 5,537,664 km (0.114 R)
• M10: 6,122,891 km (0.109 R)
• M11: 6,820,915 km (0.11 R)
• M12: 7,264,622 km (0.101 R)
• M13: 7,886,201 km (0.1 R)
• M14: 8,417,124 km (0.11 R)
• M15: 9,459,672 km (0.106 R)
• M16: 11,695,113 km (0.078 R)
• M17: 12,331,801 km (0.088 R)
• M18: 13,273,221 km (0.038 R)
• M19: 13,616,697 km (0.084 R)
• M20: 14,083,892 km (0.079 R)
• M21: 15,423,989 km (0.104 R)
• M22: 17,866,474 km (0.089 R)
• M23: 18,285,647 km (0.052 R)
• M24: 22,037,262 km (0.114 R)
• M25: 22,438,484 km (0.083 R)
• M26: 23,671,769 km (0.098 R)
• M27: 27,921,994 km (0.11 R)
• M28: 31,223,170 km (0.083 R)
• M29: 32,654,971 km (0.118 R)
• M30: 33,916,829 km (0.113 R)
• M31: 35,210,851 km (0.102 R)
• M32: 35,539,368 km (0.073 R)
• M33: 36,761,732 km (0.057 R)
• M34: 37,099,823 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.7

Radius: 3

Gravity: 25.86 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.82 AU - 9.14 AU

Year: 18252 Days

Day: 17 Hours

Environment

Temp: -244 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,950,430 km

• M1: 39,494 km (0.077 R)
• M2: 628,909 km (0.076 R)
• M3: 789,428 km (0.076 R)
• M4: 1,331,720 km (0.08 R)
• M5: 1,509,891 km (0.117 R)
• M6: 2,606,743 km (0.109 R)
• M7: 2,776,088 km (0.075 R)
• M8: 4,231,376 km (0.039 R)
• M9: 4,435,726 km (0.118 R)
• M10: 5,120,885 km (0.026 R)
• M11: 7,259,835 km (0.075 R)
• M12: 9,675,541 km (0.074 R)
• M13: 10,029,939 km (0.119 R)
• M14: 18,823,002 km (0.078 R)
• M15: 34,167,854 km (0.07 R)
• M16: 38,399,230 km (0.108 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 10,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit