🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.2

Radius: 13.7

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.56 AU - 0.76 AU

Year: 364 Days

Day: 8.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 69,785,731 km

• M1: 170,542 km (0.077 R)
• M2: 800,797 km (0.108 R)
• M3: 1,356,853 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.6

Radius: 9.9

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.34 AU - 1.34 AU

Year: 1052 Days

Day: 9.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,785,731 km

• M1: 123,568 km (0.1 R)
• M2: 859,440 km (0.112 R)
• M3: 1,579,903 km (0.114 R)
• M4: 2,020,918 km (0.109 R)
• M5: 2,602,105 km (0.077 R)
• M6: 2,926,134 km (0.085 R)
• M7: 4,486,440 km (0.072 R)
• M8: 5,030,528 km (0.065 R)
• M9: 7,632,932 km (0.066 R)
• M10: 8,734,122 km (0.054 R)
• M11: 9,671,054 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.8

Radius: 12.8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.04 AU - 1.68 AU

Year: 1076 Days

Day: 7.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,785,731 km

• M1: 159,172 km (0.105 R)
• M2: 616,942 km (0.102 R)
• M3: 1,125,724 km (0.038 R)
• M4: 2,206,868 km (0.102 R)
• M5: 3,074,835 km (0.108 R)
• M6: 4,158,671 km (0.114 R)
• M7: 5,024,095 km (0.065 R)
• M8: 5,535,121 km (0.07 R)
• M9: 6,118,553 km (0.1 R)
• M10: 6,582,606 km (0.093 R)
• M11: 7,049,500 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.7

Radius: 11.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.36 AU - 1.38 AU

Year: 1088 Days

Day: 7.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,785,731 km

• M1: 144,212 km (0.069 R)
• M2: 597,195 km (0.056 R)
• M3: 1,165,966 km (0.1 R)
• M4: 1,885,681 km (0.091 R)
• M5: 3,423,398 km (0.085 R)
• M6: 3,904,355 km (0.087 R)
• M7: 4,943,312 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.2

Radius: 10.9

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.02 AU - 2.52 AU

Year: 2320 Days

Day: 14.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,785,731 km

• M1: 135,536 km (0.052 R)
• M2: 524,490 km (0.091 R)
• M3: 923,318 km (0.046 R)
• M4: 1,471,893 km (0.114 R)
• M5: 2,414,809 km (0.09 R)
• M6: 3,066,756 km (0.072 R)
• M7: 4,042,733 km (0.115 R)
• M8: 4,403,862 km (0.078 R)
• M9: 5,214,533 km (0.107 R)
• M10: 6,070,233 km (0.051 R)
• M11: 6,518,428 km (0.113 R)
• M12: 6,904,091 km (0.084 R)
• M13: 7,966,386 km (0.075 R)
• M14: 8,799,048 km (0.114 R)
• M15: 9,902,182 km (0.087 R)
• M16: 11,251,106 km (0.108 R)
• M17: 12,423,654 km (0.097 R)
• M18: 14,541,063 km (0.1 R)
• M19: 14,963,377 km (0.111 R)
• M20: 16,129,642 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.4

Radius: 9.1

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.57 AU - 4.21 AU

Year: 5204 Days

Day: 8.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,785,731 km

• M1: 114,891 km (0.077 R)
• M2: 407,355 km (0.117 R)
• M3: 727,644 km (0.041 R)
• M4: 1,273,826 km (0.06 R)
• M5: 1,602,193 km (0.045 R)
• M6: 2,335,821 km (0.081 R)
• M7: 2,815,432 km (0.102 R)
• M8: 3,118,218 km (0.107 R)
• M9: 3,745,332 km (0.048 R)
• M10: 5,593,315 km (0.118 R)
• M11: 6,389,624 km (0.102 R)
• M12: 8,055,546 km (0.103 R)
• M13: 8,868,611 km (0.075 R)
• M14: 10,211,251 km (0.108 R)
• M15: 11,256,641 km (0.117 R)
• M16: 11,588,599 km (0.088 R)
• M17: 13,505,995 km (0.112 R)
• M18: 14,820,511 km (0.045 R)
• M19: 16,399,218 km (0.12 R)
• M20: 17,958,177 km (0.071 R)
• M21: 18,740,574 km (0.116 R)
• M22: 21,368,410 km (0.056 R)
• M23: 22,246,699 km (0.089 R)
• M24: 27,427,872 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834

Radius: 12.1

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.55 AU - 5.23 AU

Year: 6239 Days

Day: 13.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 81.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,785,731 km

• M1: 151,393 km (0.092 R)
• M2: 916,137 km (0.046 R)
• M3: 1,916,050 km (0.069 R)
• M4: 2,444,280 km (0.114 R)
• M5: 3,277,839 km (0.105 R)
• M6: 3,892,686 km (0.07 R)
• M7: 5,263,900 km (0.12 R)
• M8: 5,881,889 km (0.099 R)
• M9: 6,309,141 km (0.118 R)
• M10: 7,007,015 km (0.11 R)
• M11: 8,598,437 km (0.116 R)
• M12: 10,045,048 km (0.1 R)
• M13: 10,513,888 km (0.069 R)
• M14: 12,699,064 km (0.118 R)
• M15: 15,852,288 km (0.118 R)
• M16: 16,424,350 km (0.041 R)
• M17: 17,142,121 km (0.083 R)
• M18: 18,640,643 km (0.106 R)
• M19: 21,354,946 km (0.116 R)
• M20: 25,255,711 km (0.104 R)
• M21: 27,646,584 km (0.111 R)
• M22: 29,227,086 km (0.109 R)
• M23: 32,263,174 km (0.091 R)
• M24: 34,119,235 km (0.085 R)
• M25: 35,395,604 km (0.096 R)
• M26: 36,045,607 km (0.098 R)
• M27: 36,483,330 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539

Radius: 5.2

Gravity: 19.93 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.18 AU - 6.76 AU

Year: 11162 Days

Day: 17 Hours

Environment

Temp: -237 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,785,731 km

• M1: 64,626 km (0.114 R)
• M2: 282,142 km (0.118 R)
• M3: 1,021,604 km (0.101 R)
• M4: 1,387,520 km (0.084 R)
• M5: 1,820,606 km (0.09 R)
• M6: 2,950,968 km (0.095 R)
• M7: 3,366,102 km (0.118 R)
• M8: 3,766,874 km (0.097 R)
• M9: 4,426,900 km (0.1 R)
• M10: 5,193,290 km (0.077 R)
• M11: 5,356,501 km (0.114 R)
• M12: 7,933,175 km (0.08 R)
• M13: 9,152,099 km (0.098 R)
• M14: 12,943,806 km (0.066 R)
• M15: 13,184,210 km (0.057 R)
• M16: 13,611,910 km (0.107 R)
• M17: 14,239,025 km (0.116 R)
• M18: 15,282,170 km (0.115 R)
• M19: 18,411,758 km (0.102 R)
• M20: 19,965,930 km (0.052 R)
• M21: 21,353,899 km (0.102 R)
• M22: 22,285,445 km (0.026 R)
• M23: 23,155,656 km (0.088 R)
• M24: 31,162,732 km (0.097 R)
• M25: 32,140,205 km (0.068 R)
• M26: 33,362,270 km (0.112 R)
• M27: 41,093,189 km (0.109 R)
• M28: 41,352,292 km (0.117 R)
• M29: 41,743,042 km (0.108 R)
• M30: 43,733,591 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.3

Radius: 3

Gravity: 22.7 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.75 AU - 8.79 AU

Year: 16131 Days

Day: 20.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,785,731 km

• M1: 37,699 km (0.105 R)
• M2: 220,956 km (0.116 R)
• M3: 525,388 km (0.116 R)
• M4: 630,555 km (0.1 R)
• M5: 810,820 km (0.069 R)
• M6: 1,013,825 km (0.087 R)
• M7: 2,568,446 km (0.101 R)
• M8: 2,708,619 km (0.092 R)
• M9: 2,960,991 km (0.064 R)
• M10: 4,606,567 km (0.1 R)
• M11: 6,013,834 km (0.085 R)
• M12: 6,515,586 km (0.082 R)
• M13: 6,852,480 km (0.086 R)
• M14: 7,044,713 km (0.094 R)
• M15: 8,187,791 km (0.079 R)
• M16: 9,261,305 km (0.102 R)
• M17: 9,880,191 km (0.083 R)
• M18: 10,374,762 km (0.082 R)
• M19: 11,628,542 km (0.042 R)
• M20: 13,393,049 km (0.082 R)
• M21: 14,369,773 km (0.055 R)
• M22: 15,789,158 km (0.085 R)
• M23: 22,318,207 km (0.053 R)
• M24: 22,825,194 km (0.079 R)
• M25: 24,570,702 km (0.044 R)
• M26: 25,475,919 km (0.115 R)
• M27: 26,685,567 km (0.076 R)
• M28: 26,780,113 km (0.058 R)
• M29: 26,970,103 km (0.097 R)
• M30: 27,545,157 km (0.091 R)
• M31: 28,324,562 km (0.107 R)
• M32: 29,118,478 km (0.073 R)
• M33: 31,483,620 km (0.087 R)
• M34: 31,801,366 km (0.037 R)
• M35: 35,437,641 km (0.095 R)
• M36: 36,942,895 km (0.109 R)
• M37: 37,178,212 km (0.111 R)
• M38: 37,533,059 km (0.088 R)
• M39: 40,080,561 km (0.063 R)
• M40: 40,453,658 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743

Radius: 3

Gravity: 82.56 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.95 AU - 10.09 AU

Year: 16867 Days

Day: 18.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,785,731 km

• M1: 49,517 km (0.058 R)
• M2: 154,834 km (0.099 R)
• M3: 287,078 km (0.083 R)
• M4: 392,246 km (0.031 R)
• M5: 546,631 km (0.086 R)
• M6: 730,486 km (0.119 R)
• M7: 1,114,055 km (0.113 R)
• M8: 2,778,631 km (0.086 R)
• M9: 3,318,679 km (0.093 R)
• M10: 3,627,898 km (0.078 R)
• M11: 3,864,562 km (0.095 R)
• M12: 5,204,809 km (0.119 R)
• M13: 5,391,657 km (0.117 R)
• M14: 5,582,843 km (0.117 R)
• M15: 8,193,027 km (0.11 R)
• M16: 12,351,997 km (0.116 R)
• M17: 15,482,781 km (0.056 R)
• M18: 15,868,893 km (0.114 R)
• M19: 16,902,764 km (0.078 R)
• M20: 19,458,345 km (0.028 R)
• M21: 22,751,592 km (0.102 R)
• M22: 31,141,190 km (0.072 R)
• M23: 31,509,052 km (0.084 R)
• M24: 32,629,988 km (0.109 R)
• M25: 33,263,984 km (0.098 R)
• M26: 43,022,852 km (0.082 R)
• M27: 55,061,142 km (0.089 R)
• M28: 62,132,783 km (0.086 R)
• M29: 69,576,623 km (0.101 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 11,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit