🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.5

Radius: 8.7

Gravity: 11.12 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.65 AU - 0.85 AU

Year: 426 Days

Day: 13.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,092,753 km

• M1: 108,159 km (0.118 R)
• M2: 400,174 km (0.083 R)
• M3: 676,482 km (0.079 R)
• M4: 978,520 km (0.087 R)
• M5: 1,437,486 km (0.074 R)
• M6: 1,798,316 km (0.04 R)
• M7: 2,357,812 km (0.096 R)
• M8: 2,694,258 km (0.101 R)
• M9: 3,131,083 km (0.104 R)
• M10: 3,427,586 km (0.048 R)
• M11: 4,217,014 km (0.069 R)
• M12: 6,043,754 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.3

Radius: 11.1

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.73 AU - 0.93 AU

Year: 496 Days

Day: 7.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,092,753 km

• M1: 138,079 km (0.066 R)
• M2: 490,980 km (0.065 R)
• M3: 1,559,408 km (0.09 R)
• M4: 2,111,125 km (0.108 R)
• M5: 2,632,474 km (0.046 R)

Asteroid Belt

Center: 1.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879

Radius: 12.3

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.35 AU - 1.75 AU

Year: 1266 Days

Day: 8.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,092,753 km

• M1: 155,432 km (0.069 R)
• M2: 558,598 km (0.106 R)
• M3: 1,028,037 km (0.116 R)
• M4: 1,874,611 km (0.117 R)
• M5: 2,531,346 km (0.089 R)
• M6: 3,413,823 km (0.066 R)
• M7: 4,453,977 km (0.078 R)
• M8: 4,897,236 km (0.094 R)
• M9: 5,850,474 km (0.079 R)
• M10: 6,552,237 km (0.11 R)
• M11: 8,758,955 km (0.1 R)
• M12: 10,259,721 km (0.114 R)
• M13: 11,386,792 km (0.079 R)
• M14: 13,132,150 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.6

Radius: 8.6

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.65 AU - 1.99 AU

Year: 1611 Days

Day: 9.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,092,753 km

• M1: 107,112 km (0.095 R)
• M2: 441,463 km (0.039 R)
• M3: 858,393 km (0.115 R)
• M4: 1,216,081 km (0.058 R)
• M5: 1,743,414 km (0.091 R)
• M6: 2,166,626 km (0.118 R)
• M7: 2,754,994 km (0.063 R)
• M8: 4,041,237 km (0.033 R)
• M9: 4,848,168 km (0.09 R)
• M10: 5,234,729 km (0.032 R)
• M11: 5,924,824 km (0.108 R)
• M12: 7,317,879 km (0.114 R)
• M13: 8,360,277 km (0.08 R)
• M14: 11,469,968 km (0.051 R)
• M15: 12,551,411 km (0.075 R)
• M16: 14,386,079 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.8

Radius: 11.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.73 AU - 2.21 AU

Year: 1814 Days

Day: 5 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,092,753 km

• M1: 145,559 km (0.092 R)
• M2: 839,094 km (0.072 R)
• M3: 1,616,255 km (0.073 R)
• M4: 2,006,257 km (0.096 R)
• M5: 2,700,541 km (0.06 R)
• M6: 3,360,866 km (0.062 R)
• M7: 3,961,501 km (0.042 R)
• M8: 6,760,777 km (0.084 R)
• M9: 7,861,368 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.3

Radius: 8.4

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.88 AU - 4.18 AU

Year: 4351 Days

Day: 13.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,092,753 km

• M1: 104,419 km (0.068 R)
• M2: 514,168 km (0.115 R)
• M3: 829,221 km (0.102 R)
• M4: 1,472,492 km (0.048 R)
• M5: 2,093,323 km (0.113 R)
• M6: 2,737,791 km (0.096 R)
• M7: 3,023,672 km (0.113 R)
• M8: 3,656,022 km (0.114 R)
• M9: 5,040,850 km (0.078 R)
• M10: 5,954,893 km (0.032 R)
• M11: 6,773,941 km (0.066 R)
• M12: 7,063,114 km (0.056 R)
• M13: 7,790,758 km (0.116 R)
• M14: 8,205,294 km (0.03 R)
• M15: 9,501,858 km (0.118 R)
• M16: 9,864,633 km (0.119 R)
• M17: 10,274,382 km (0.107 R)
• M18: 11,368,690 km (0.118 R)
• M19: 14,776,679 km (0.116 R)
• M20: 15,561,769 km (0.083 R)
• M21: 16,271,162 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698

Radius: 12.6

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.31 AU - 4.85 AU

Year: 5406 Days

Day: 14.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,092,753 km

• M1: 156,629 km (0.117 R)
• M2: 570,117 km (0.099 R)
• M3: 1,171,351 km (0.094 R)
• M4: 1,823,000 km (0.06 R)
• M5: 2,304,256 km (0.088 R)
• M6: 2,814,983 km (0.114 R)
• M7: 3,359,370 km (0.096 R)
• M8: 4,661,470 km (0.116 R)
• M9: 5,691,002 km (0.07 R)
• M10: 6,403,836 km (0.057 R)
• M11: 7,140,755 km (0.097 R)
• M12: 9,066,977 km (0.11 R)
• M13: 10,084,392 km (0.079 R)
• M14: 12,095,586 km (0.106 R)
• M15: 13,702,716 km (0.067 R)
• M16: 14,585,792 km (0.086 R)
• M17: 16,101,518 km (0.11 R)
• M18: 18,238,823 km (0.096 R)
• M19: 18,834,821 km (0.067 R)
• M20: 19,307,400 km (0.053 R)
• M21: 20,701,353 km (0.117 R)
• M22: 21,496,017 km (0.078 R)
• M23: 22,161,279 km (0.043 R)
• M24: 22,612,466 km (0.111 R)
• M25: 23,923,991 km (0.082 R)
• M26: 28,515,149 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.7

Radius: 11.1

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.61 AU - 5.69 AU

Year: 7667 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,092,753 km

• M1: 142,118 km (0.119 R)
• M2: 751,879 km (0.106 R)
• M3: 1,845,589 km (0.067 R)
• M4: 2,353,474 km (0.109 R)
• M5: 3,246,124 km (0.113 R)
• M6: 4,351,353 km (0.077 R)
• M7: 4,733,277 km (0.111 R)
• M8: 5,440,575 km (0.061 R)
• M9: 7,712,369 km (0.107 R)
• M10: 8,481,451 km (0.067 R)
• M11: 9,345,379 km (0.113 R)
• M12: 10,172,206 km (0.057 R)
• M13: 10,701,035 km (0.047 R)
• M14: 12,452,527 km (0.064 R)
• M15: 16,061,276 km (0.043 R)
• M16: 17,112,201 km (0.112 R)
• M17: 18,208,454 km (0.087 R)
• M18: 21,699,620 km (0.041 R)
• M19: 24,316,984 km (0.116 R)
• M20: 27,138,101 km (0.072 R)
• M21: 34,376,992 km (0.105 R)
• M22: 35,678,344 km (0.101 R)
• M23: 36,564,113 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.5

Radius: 6.4

Gravity: 19.67 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.62 AU - 9.96 AU

Year: 15658 Days

Day: 19.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,092,753 km

• M1: 100,979 km (0.117 R)
• M2: 414,386 km (0.083 R)
• M3: 775,815 km (0.103 R)
• M4: 1,057,358 km (0.105 R)
• M5: 1,496,727 km (0.114 R)
• M6: 1,793,678 km (0.059 R)
• M7: 3,258,840 km (0.097 R)
• M8: 3,559,233 km (0.11 R)
• M9: 3,907,945 km (0.069 R)
• M10: 4,247,383 km (0.084 R)
• M11: 7,199,547 km (0.061 R)
• M12: 10,929,172 km (0.118 R)
• M13: 11,603,110 km (0.096 R)
• M14: 11,982,341 km (0.086 R)
• M15: 13,374,798 km (0.073 R)
• M16: 18,792,933 km (0.071 R)
• M17: 20,118,670 km (0.096 R)
• M18: 20,943,253 km (0.038 R)
• M19: 22,659,889 km (0.065 R)
• M20: 23,252,446 km (0.079 R)
• M21: 24,571,450 km (0.114 R)
• M22: 27,357,711 km (0.112 R)
• M23: 28,826,762 km (0.058 R)
• M24: 29,057,442 km (0.109 R)
• M25: 29,405,556 km (0.102 R)
• M26: 30,826,287 km (0.11 R)
• M27: 43,724,615 km (0.062 R)
• M28: 44,951,019 km (0.107 R)
• M29: 45,885,856 km (0.056 R)
• M30: 52,967,819 km (0.118 R)
• M31: 62,849,357 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.2

Radius: 7.1

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.24 AU - 10.68 AU

Year: 20620 Days

Day: 20.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,092,753 km

• M1: 88,263 km (0.038 R)
• M2: 319,242 km (0.114 R)
• M3: 934,837 km (0.048 R)
• M4: 1,268,440 km (0.091 R)
• M5: 1,631,963 km (0.116 R)
• M6: 4,649,352 km (0.104 R)
• M7: 7,746,178 km (0.025 R)
• M8: 8,656,630 km (0.097 R)
• M9: 10,574,026 km (0.08 R)
• M10: 10,918,999 km (0.046 R)
• M11: 27,306,698 km (0.109 R)
• M12: 28,616,577 km (0.095 R)
• M13: 32,193,013 km (0.107 R)
• M14: 36,969,972 km (0.042 R)
• M15: 37,498,801 km (0.112 R)
• M16: 40,079,514 km (0.063 R)
• M17: 40,497,490 km (0.045 R)
• M18: 49,002,877 km (0.062 R)
• M19: 50,608,361 km (0.092 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 18,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit