🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.8

Radius: 10.7

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.93 AU - 0.95 AU

Year: 641 Days

Day: 6.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,248,193 km

• M1: 133,441 km (0.105 R)
• M2: 558,299 km (0.044 R)
• M3: 947,703 km (0.072 R)
• M4: 1,290,431 km (0.077 R)
• M5: 1,826,291 km (0.082 R)
• M6: 2,200,435 km (0.083 R)
• M7: 2,771,899 km (0.055 R)
• M8: 3,466,931 km (0.057 R)
• M9: 4,274,310 km (0.105 R)
• M10: 4,941,666 km (0.079 R)
• M11: 5,327,479 km (0.065 R)
• M12: 5,676,940 km (0.087 R)
• M13: 6,180,038 km (0.073 R)
• M14: 6,649,775 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.3

Radius: 10.8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.29 AU - 1.53 AU

Year: 1177 Days

Day: 10.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,248,193 km

• M1: 134,788 km (0.12 R)
• M2: 568,921 km (0.092 R)
• M3: 1,278,613 km (0.118 R)
• M4: 1,896,303 km (0.107 R)
• M5: 2,337,467 km (0.096 R)
• M6: 3,007,067 km (0.092 R)
• M7: 4,120,075 km (0.085 R)
• M8: 5,720,623 km (0.074 R)
• M9: 6,266,804 km (0.07 R)
• M10: 7,094,081 km (0.064 R)
• M11: 8,701,959 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.8

Radius: 14.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.8 AU - 2.98 AU

Year: 2597 Days

Day: 10.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 18,248,193 km

• M1: 180,265 km (0.076 R)
• M2: 820,096 km (0.062 R)
• M3: 1,312,871 km (0.1 R)
• M4: 1,861,297 km (0.086 R)
• M5: 2,648,331 km (0.071 R)
• M6: 3,169,081 km (0.051 R)
• M7: 4,138,625 km (0.058 R)
• M8: 5,631,761 km (0.102 R)
• M9: 6,969,466 km (0.077 R)
• M10: 7,548,559 km (0.082 R)
• M11: 8,097,134 km (0.079 R)
• M12: 9,003,697 km (0.097 R)
• M13: 9,691,698 km (0.107 R)
• M14: 11,329,645 km (0.087 R)
• M15: 12,380,570 km (0.104 R)
• M16: 13,232,380 km (0.094 R)
• M17: 14,305,895 km (0.111 R)
• M18: 15,485,025 km (0.066 R)
• M19: 16,323,222 km (0.106 R)
• M20: 17,347,967 km (0.061 R)
• M21: 17,822,791 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.6

Radius: 11.5

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.16 AU - 2.8 AU

Year: 2745 Days

Day: 12.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 18,248,193 km

• M1: 169,644 km (0.114 R)
• M2: 825,631 km (0.105 R)
• M3: 1,302,100 km (0.11 R)
• M4: 1,670,559 km (0.102 R)
• M5: 2,770,852 km (0.107 R)
• M6: 4,743,449 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 11.4

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.4 AU - 2.56 AU

Year: 2745 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 18,248,193 km

• M1: 143,016 km (0.12 R)
• M2: 550,071 km (0.118 R)
• M3: 1,098,647 km (0.045 R)
• M4: 1,790,537 km (0.101 R)
• M5: 2,154,359 km (0.096 R)
• M6: 2,567,997 km (0.113 R)
• M7: 3,051,946 km (0.039 R)
• M8: 3,426,539 km (0.102 R)
• M9: 4,162,112 km (0.08 R)
• M10: 4,880,631 km (0.109 R)
• M11: 5,395,846 km (0.031 R)
• M12: 7,348,846 km (0.113 R)
• M13: 7,861,966 km (0.078 R)
• M14: 8,746,688 km (0.108 R)
• M15: 10,958,493 km (0.071 R)
• M16: 11,801,028 km (0.104 R)
• M17: 14,242,764 km (0.111 R)
• M18: 15,297,280 km (0.111 R)
• M19: 16,295,696 km (0.101 R)
• M20: 17,337,047 km (0.111 R)
• M21: 17,959,823 km (0.111 R)
• M22: 18,951,657 km (0.099 R)
• M23: 20,041,178 km (0.12 R)
• M24: 21,172,138 km (0.09 R)
• M25: 21,883,775 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.6

Radius: 8.3

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.76 AU - 3.08 AU

Year: 3507 Days

Day: 14.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 18,248,193 km

• M1: 103,223 km (0.062 R)
• M2: 403,465 km (0.059 R)
• M3: 857,196 km (0.114 R)
• M4: 1,174,493 km (0.076 R)
• M5: 1,570,179 km (0.075 R)
• M6: 1,946,418 km (0.115 R)
• M7: 2,292,887 km (0.086 R)
• M8: 3,129,139 km (0.108 R)
• M9: 3,728,877 km (0.076 R)
• M10: 4,637,085 km (0.034 R)
• M11: 5,740,369 km (0.11 R)
• M12: 8,138,274 km (0.076 R)
• M13: 8,856,344 km (0.108 R)
• M14: 10,501,023 km (0.05 R)
• M15: 10,878,308 km (0.059 R)
• M16: 11,351,636 km (0.117 R)
• M17: 11,749,118 km (0.12 R)
• M18: 12,110,247 km (0.097 R)
• M19: 13,141,575 km (0.103 R)
• M20: 14,485,861 km (0.057 R)
• M21: 15,271,250 km (0.053 R)
• M22: 15,701,493 km (0.113 R)
• M23: 16,306,318 km (0.09 R)
• M24: 16,699,162 km (0.041 R)
• M25: 17,387,312 km (0.088 R)
• M26: 18,820,459 km (0.086 R)
• M27: 21,514,867 km (0.082 R)
• M28: 21,784,143 km (0.057 R)
• M29: 22,744,561 km (0.096 R)
• M30: 24,165,292 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.9

Radius: 13.6

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.75 AU - 4.39 AU

Year: 5772 Days

Day: 13 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,248,193 km

• M1: 169,644 km (0.098 R)
• M2: 707,000 km (0.077 R)
• M3: 1,135,149 km (0.07 R)
• M4: 1,699,282 km (0.118 R)
• M5: 2,149,572 km (0.115 R)
• M6: 2,648,630 km (0.057 R)
• M7: 3,682,052 km (0.075 R)
• M8: 4,138,924 km (0.035 R)
• M9: 5,295,017 km (0.105 R)
• M10: 7,565,164 km (0.067 R)
• M11: 10,627,433 km (0.082 R)
• M12: 12,968,340 km (0.12 R)
• M13: 13,885,674 km (0.089 R)
• M14: 14,845,793 km (0.101 R)
• M15: 20,838,086 km (0.107 R)
• M16: 23,125,288 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.4

Radius: 5.3

Gravity: 30.2 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.51 AU - 7.29 AU

Year: 12740 Days

Day: 17.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 18,248,193 km

• M1: 65,973 km (0.04 R)
• M2: 448,494 km (0.11 R)
• M3: 954,584 km (0.077 R)
• M4: 1,229,096 km (0.087 R)
• M5: 1,450,202 km (0.068 R)
• M6: 2,178,893 km (0.047 R)
• M7: 2,440,988 km (0.081 R)
• M8: 2,838,620 km (0.073 R)
• M9: 3,487,575 km (0.071 R)
• M10: 4,139,971 km (0.102 R)
• M11: 4,971,736 km (0.087 R)
• M12: 5,284,096 km (0.077 R)
• M13: 5,646,272 km (0.084 R)
• M14: 6,420,292 km (0.098 R)
• M15: 7,756,500 km (0.069 R)
• M16: 9,062,489 km (0.066 R)
• M17: 11,434,663 km (0.063 R)
• M18: 12,923,910 km (0.092 R)
• M19: 17,917,337 km (0.067 R)
• M20: 18,159,686 km (0.082 R)
• M21: 18,650,965 km (0.074 R)
• M22: 19,659,853 km (0.12 R)
• M23: 20,704,645 km (0.047 R)
• M24: 24,952,775 km (0.035 R)
• M25: 25,866,968 km (0.113 R)
• M26: 26,176,486 km (0.118 R)
• M27: 27,439,690 km (0.11 R)
• M28: 31,122,191 km (0.054 R)
• M29: 35,882,844 km (0.115 R)
• M30: 36,397,012 km (0.084 R)
• M31: 42,667,108 km (0.078 R)
• M32: 48,516,385 km (0.101 R)
• M33: 51,225,303 km (0.083 R)
• M34: 53,363,505 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.6

Radius: 3.9

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.43 AU - 8.73 AU

Year: 16145 Days

Day: 24.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,248,193 km

• M1: 48,619 km (0.085 R)
• M2: 188,942 km (0.1 R)
• M3: 448,345 km (0.115 R)
• M4: 655,837 km (0.079 R)
• M5: 1,335,759 km (0.099 R)
• M6: 2,251,897 km (0.114 R)
• M7: 2,394,763 km (0.118 R)
• M8: 2,620,506 km (0.065 R)
• M9: 3,866,058 km (0.094 R)
• M10: 5,985,560 km (0.064 R)
• M11: 7,967,134 km (0.084 R)
• M12: 8,090,851 km (0.099 R)
• M13: 8,342,026 km (0.108 R)
• M14: 13,218,468 km (0.065 R)
• M15: 19,707,425 km (0.114 R)
• M16: 24,662,406 km (0.102 R)
• M17: 25,101,924 km (0.08 R)
• M18: 25,816,105 km (0.112 R)
• M19: 26,819,906 km (0.11 R)
• M20: 33,716,667 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.5

Radius: 3.1

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.39 AU - 10.59 AU

Year: 17389 Days

Day: 17.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,248,193 km

• M1: 42,037 km (0.07 R)
• M2: 451,337 km (0.09 R)
• M3: 1,709,006 km (0.11 R)
• M4: 3,270,808 km (0.094 R)
• M5: 5,249,988 km (0.062 R)
• M6: 6,204,572 km (0.112 R)
• M7: 11,500,187 km (0.092 R)
• M8: 13,446,605 km (0.051 R)
• M9: 17,600,489 km (0.094 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 16,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit