🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.6

Radius: 8.2

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.51 AU - 0.63 AU

Year: 292 Days

Day: 13.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,163,120 km

• M1: 102,026 km (0.061 R)
• M2: 368,908 km (0.118 R)
• M3: 728,392 km (0.083 R)
• M4: 1,007,392 km (0.103 R)
• M5: 1,466,508 km (0.067 R)
• M6: 1,833,920 km (0.108 R)
• M7: 2,228,709 km (0.093 R)
• M8: 2,716,997 km (0.106 R)
• M9: 3,053,442 km (0.111 R)
• M10: 3,598,726 km (0.091 R)
• M11: 3,870,546 km (0.038 R)
• M12: 4,258,902 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653

Radius: 8.5

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.77 AU - 0.91 AU

Year: 522 Days

Day: 5.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,163,120 km

• M1: 107,561 km (0.086 R)
• M2: 428,897 km (0.052 R)
• M3: 757,713 km (0.096 R)
• M4: 1,190,500 km (0.045 R)
• M5: 3,539,186 km (0.077 R)
• M6: 4,201,606 km (0.1 R)
• M7: 4,864,624 km (0.074 R)
• M8: 6,134,709 km (0.03 R)
• M9: 6,416,851 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.5

Radius: 12.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.88 AU - 1.24 AU

Year: 740 Days

Day: 9.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,163,120 km

• M1: 159,172 km (0.065 R)
• M2: 621,280 km (0.097 R)
• M3: 1,127,968 km (0.063 R)
• M4: 1,547,291 km (0.093 R)
• M5: 2,047,097 km (0.113 R)
• M6: 2,572,036 km (0.039 R)
• M7: 2,978,793 km (0.026 R)
• M8: 4,020,892 km (0.085 R)
• M9: 4,482,551 km (0.042 R)
• M10: 4,963,657 km (0.074 R)
• M11: 5,427,860 km (0.101 R)
• M12: 6,253,640 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.1

Radius: 9.5

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.65 AU - 1.87 AU

Year: 1584 Days

Day: 13.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 79,163,120 km

• M1: 118,182 km (0.117 R)
• M2: 1,790,537 km (0.096 R)
• M3: 2,098,110 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 14.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.06 AU - 2.24 AU

Year: 2138 Days

Day: 5.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,163,120 km

• M1: 186,249 km (0.111 R)
• M2: 871,408 km (0.11 R)
• M3: 1,343,538 km (0.109 R)
• M4: 2,242,023 km (0.113 R)
• M5: 2,947,078 km (0.11 R)
• M6: 3,433,421 km (0.054 R)
• M7: 3,929,038 km (0.08 R)
• M8: 4,637,085 km (0.091 R)
• M9: 6,126,781 km (0.119 R)
• M10: 6,993,551 km (0.116 R)
• M11: 7,964,740 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.1

Radius: 8.3

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.14 AU - 4.52 AU

Year: 5084 Days

Day: 13 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,163,120 km

• M1: 103,372 km (0.108 R)
• M2: 366,365 km (0.069 R)
• M3: 628,012 km (0.072 R)
• M4: 1,040,902 km (0.118 R)
• M5: 1,343,538 km (0.098 R)
• M6: 1,967,212 km (0.076 R)
• M7: 2,789,402 km (0.064 R)
• M8: 3,340,820 km (0.099 R)
• M9: 3,777,795 km (0.091 R)
• M10: 4,081,927 km (0.103 R)
• M11: 5,643,729 km (0.107 R)
• M12: 6,861,456 km (0.094 R)
• M13: 7,789,860 km (0.113 R)
• M14: 8,168,493 km (0.114 R)
• M15: 8,962,558 km (0.113 R)
• M16: 9,252,329 km (0.065 R)
• M17: 10,204,071 km (0.078 R)
• M18: 11,899,912 km (0.109 R)
• M19: 15,072,733 km (0.106 R)
• M20: 15,720,941 km (0.069 R)
• M21: 16,821,533 km (0.104 R)
• M22: 18,903,636 km (0.103 R)
• M23: 19,312,337 km (0.097 R)
• M24: 24,445,339 km (0.077 R)
• M25: 29,957,422 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74

Radius: 15

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.78 AU - 4.84 AU

Year: 7155 Days

Day: 13.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,163,120 km

• M1: 186,698 km (0.076 R)
• M2: 2,135,958 km (0.069 R)
• M3: 3,048,655 km (0.067 R)
• M4: 7,452,068 km (0.115 R)
• M5: 8,406,503 km (0.109 R)
• M6: 11,643,651 km (0.081 R)
• M7: 13,495,972 km (0.093 R)
• M8: 18,262,160 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.9

Radius: 4

Gravity: 16.49 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.79 AU - 7.83 AU

Year: 12053 Days

Day: 16.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,163,120 km

• M1: 51,910 km (0.117 R)
• M2: 188,344 km (0.042 R)
• M3: 615,894 km (0.069 R)
• M4: 906,563 km (0.072 R)
• M5: 1,236,426 km (0.095 R)
• M6: 1,844,841 km (0.06 R)
• M7: 2,031,988 km (0.116 R)
• M8: 2,301,114 km (0.065 R)
• M9: 2,426,178 km (0.09 R)
• M10: 2,709,666 km (0.113 R)
• M11: 2,889,932 km (0.12 R)
• M12: 3,965,540 km (0.061 R)
• M13: 4,119,776 km (0.105 R)
• M14: 6,331,431 km (0.046 R)
• M15: 8,070,356 km (0.079 R)
• M16: 9,004,745 km (0.076 R)
• M17: 9,361,685 km (0.057 R)
• M18: 10,636,409 km (0.076 R)
• M19: 11,238,241 km (0.072 R)
• M20: 15,524,070 km (0.085 R)
• M21: 16,561,083 km (0.075 R)
• M22: 18,916,501 km (0.071 R)
• M23: 23,266,957 km (0.083 R)
• M24: 23,684,933 km (0.074 R)
• M25: 23,853,530 km (0.089 R)
• M26: 24,023,024 km (0.069 R)
• M27: 33,982,503 km (0.103 R)
• M28: 34,197,026 km (0.032 R)
• M29: 35,393,061 km (0.095 R)
• M30: 38,679,726 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605

Radius: 7.8

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.97 AU - 11.73 AU

Year: 22584 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,163,120 km

• M1: 96,939 km (0.087 R)
• M2: 369,208 km (0.118 R)
• M3: 1,519,017 km (0.108 R)
• M4: 1,832,724 km (0.104 R)
• M5: 2,168,421 km (0.106 R)
• M6: 2,544,809 km (0.072 R)
• M7: 3,816,690 km (0.042 R)
• M8: 5,996,780 km (0.077 R)
• M9: 6,515,735 km (0.041 R)
• M10: 6,832,135 km (0.097 R)
• M11: 7,206,279 km (0.119 R)
• M12: 8,950,889 km (0.079 R)
• M13: 11,278,632 km (0.075 R)
• M14: 11,603,559 km (0.031 R)
• M15: 14,206,562 km (0.06 R)
• M16: 18,758,975 km (0.109 R)
• M17: 20,246,277 km (0.059 R)
• M18: 23,139,649 km (0.079 R)
• M19: 28,515,449 km (0.063 R)
• M20: 34,395,692 km (0.049 R)
• M21: 34,805,141 km (0.084 R)
• M22: 45,798,042 km (0.102 R)
• M23: 65,349,735 km (0.101 R)
• M24: 69,178,843 km (0.068 R)
• M25: 70,927,642 km (0.05 R)
• M26: 76,350,714 km (0.092 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 13,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit