🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 9

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.53 AU - 0.65 AU

Year: 302 Days

Day: 12.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,206,430 km

• M1: 111,899 km (0.036 R)
• M2: 393,293 km (0.061 R)
• M3: 775,067 km (0.114 R)
• M4: 1,087,577 km (0.118 R)
• M5: 1,455,438 km (0.095 R)
• M6: 2,030,492 km (0.11 R)
• M7: 2,622,151 km (0.11 R)
• M8: 3,272,005 km (0.081 R)
• M9: 3,789,164 km (0.116 R)
• M10: 4,134,885 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.8

Radius: 14.3

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.57 AU - 0.85 AU

Year: 399 Days

Day: 7.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,206,430 km

• M1: 178,470 km (0.1 R)
• M2: 878,439 km (0.042 R)
• M3: 1,424,321 km (0.041 R)
• M4: 2,300,666 km (0.116 R)
• M5: 2,841,462 km (0.075 R)
• M6: 3,330,497 km (0.09 R)
• M7: 4,002,341 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 8.4

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.99 AU - 1.03 AU

Year: 677 Days

Day: 9.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,206,430 km

• M1: 104,419 km (0.071 R)
• M2: 374,892 km (0.067 R)
• M3: 719,715 km (0.072 R)
• M4: 1,231,340 km (0.087 R)
• M5: 2,258,479 km (0.091 R)
• M6: 2,901,899 km (0.032 R)
• M7: 3,553,847 km (0.086 R)
• M8: 4,330,559 km (0.078 R)
• M9: 4,841,585 km (0.068 R)
• M10: 5,500,115 km (0.104 R)
• M11: 6,138,749 km (0.092 R)
• M12: 6,700,937 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.3

Radius: 12.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.14 AU - 1.38 AU

Year: 943 Days

Day: 5.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,206,430 km

• M1: 159,172 km (0.098 R)
• M2: 639,680 km (0.051 R)
• M3: 1,385,127 km (0.078 R)
• M4: 2,205,521 km (0.102 R)
• M5: 3,201,095 km (0.076 R)
• M6: 4,901,873 km (0.088 R)
• M7: 5,591,071 km (0.038 R)
• M8: 7,317,729 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.6

Radius: 10.2

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.23 AU - 4.11 AU

Year: 4688 Days

Day: 6.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,206,430 km

• M1: 127,009 km (0.107 R)
• M2: 600,785 km (0.102 R)
• M3: 2,004,312 km (0.073 R)
• M4: 5,068,525 km (0.064 R)
• M5: 5,841,498 km (0.111 R)
• M6: 6,178,093 km (0.117 R)
• M7: 7,128,488 km (0.11 R)
• M8: 7,875,580 km (0.106 R)
• M9: 9,153,894 km (0.12 R)
• M10: 9,693,643 km (0.095 R)
• M11: 10,210,653 km (0.102 R)
• M12: 11,346,998 km (0.072 R)
• M13: 12,018,992 km (0.117 R)
• M14: 12,717,465 km (0.112 R)
• M15: 18,190,802 km (0.094 R)
• M16: 21,839,494 km (0.111 R)
• M17: 22,728,704 km (0.035 R)
• M18: 24,107,398 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.5

Radius: 8.8

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.51 AU - 6.17 AU

Year: 8229 Days

Day: 8.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,206,430 km

• M1: 109,655 km (0.108 R)
• M2: 483,500 km (0.083 R)
• M3: 996,023 km (0.092 R)
• M4: 1,650,065 km (0.091 R)
• M5: 2,199,537 km (0.09 R)
• M6: 3,327,356 km (0.047 R)
• M7: 4,539,398 km (0.088 R)
• M8: 6,970,363 km (0.048 R)
• M9: 8,311,957 km (0.091 R)
• M10: 11,987,277 km (0.106 R)
• M11: 12,377,578 km (0.066 R)
• M12: 14,024,352 km (0.115 R)
• M13: 16,830,060 km (0.096 R)
• M14: 17,390,453 km (0.062 R)
• M15: 21,098,386 km (0.047 R)
• M16: 32,658,861 km (0.055 R)
• M17: 32,983,937 km (0.081 R)
• M18: 35,206,961 km (0.066 R)
• M19: 35,892,868 km (0.118 R)
• M20: 36,239,187 km (0.111 R)
• M21: 37,646,603 km (0.076 R)

Asteroid Belt

Center: 5.62 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.1

Radius: 6.4

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.99 AU - 6.79 AU

Year: 9532 Days

Day: 24.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,206,430 km

• M1: 79,586 km (0.116 R)
• M2: 437,424 km (0.096 R)
• M3: 1,480,570 km (0.097 R)
• M4: 1,973,645 km (0.077 R)
• M5: 2,301,414 km (0.051 R)
• M6: 3,129,737 km (0.074 R)
• M7: 3,553,249 km (0.116 R)
• M8: 3,938,762 km (0.114 R)
• M9: 4,272,366 km (0.097 R)
• M10: 4,652,494 km (0.1 R)
• M11: 6,791,444 km (0.067 R)
• M12: 7,853,439 km (0.096 R)
• M13: 8,424,006 km (0.12 R)
• M14: 10,254,186 km (0.038 R)
• M15: 12,388,200 km (0.087 R)
• M16: 13,216,972 km (0.116 R)
• M17: 13,444,211 km (0.115 R)
• M18: 14,200,428 km (0.072 R)
• M19: 15,108,039 km (0.111 R)
• M20: 16,247,376 km (0.107 R)
• M21: 16,573,649 km (0.111 R)
• M22: 17,038,001 km (0.083 R)
• M23: 22,489,646 km (0.086 R)
• M24: 28,430,327 km (0.07 R)
• M25: 30,358,345 km (0.098 R)
• M26: 31,153,308 km (0.078 R)
• M27: 31,962,183 km (0.072 R)
• M28: 36,662,549 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.3

Radius: 3.5

Gravity: 81 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.55 AU - 10.63 AU

Year: 16789 Days

Day: 17.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,206,430 km

• M1: 44,281 km (0.109 R)
• M2: 231,877 km (0.094 R)
• M3: 345,571 km (0.044 R)
• M4: 576,999 km (0.1 R)
• M5: 693,536 km (0.112 R)
• M6: 1,024,596 km (0.118 R)
• M7: 1,452,296 km (0.096 R)
• M8: 2,436,800 km (0.093 R)
• M9: 2,820,219 km (0.1 R)
• M10: 8,197,814 km (0.118 R)
• M11: 9,274,170 km (0.06 R)
• M12: 13,780,357 km (0.109 R)
• M13: 15,138,108 km (0.098 R)
• M14: 16,999,255 km (0.094 R)
• M15: 19,648,783 km (0.103 R)
• M16: 23,279,373 km (0.075 R)
• M17: 24,225,430 km (0.037 R)
• M18: 26,645,625 km (0.11 R)
• M19: 30,570,474 km (0.067 R)
• M20: 31,070,879 km (0.089 R)
• M21: 32,475,304 km (0.066 R)
• M22: 35,823,155 km (0.105 R)
• M23: 45,588,306 km (0.029 R)
• M24: 52,937,600 km (0.084 R)
• M25: 53,297,383 km (0.092 R)
• M26: 54,204,096 km (0.105 R)
• M27: 63,033,212 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.9

Radius: 3.2

Gravity: 48.53 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 10.09 AU - 11.43 AU

Year: 23537 Days

Day: 20.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 109.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,206,430 km

• M1: 67,020 km (0.11 R)
• M2: 686,355 km (0.062 R)
• M3: 1,393,953 km (0.026 R)
• M4: 2,243,669 km (0.072 R)
• M5: 4,557,948 km (0.057 R)
• M6: 7,167,234 km (0.059 R)
• M7: 7,698,007 km (0.095 R)
• M8: 12,850,756 km (0.111 R)
• M9: 17,243,249 km (0.114 R)
• M10: 26,842,496 km (0.046 R)
• M11: 31,534,184 km (0.116 R)
• M12: 33,211,924 km (0.104 R)
• M13: 33,343,271 km (0.086 R)
• M14: 35,494,189 km (0.05 R)
• M15: 36,884,402 km (0.099 R)
• M16: 43,906,526 km (0.065 R)
• M17: 49,850,648 km (0.101 R)
• M18: 55,380,384 km (0.101 R)
• M19: 59,931,899 km (0.098 R)
• M20: 72,608,673 km (0.073 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: 150 - 10,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit