🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.1

Radius: 14.5

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.41 AU - 0.61 AU

Year: 256 Days

Day: 11.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 169.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,102,929 km

• M1: 180,415 km (0.027 R)
• M2: 706,102 km (0.115 R)
• M3: 1,162,076 km (0.112 R)
• M4: 1,749,697 km (0.09 R)
• M5: 2,274,486 km (0.102 R)
• M6: 2,754,097 km (0.037 R)
• M7: 3,341,717 km (0.113 R)
• M8: 3,822,974 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.4

Radius: 11.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.43 AU - 0.65 AU

Year: 279 Days

Day: 7.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 59,102,929 km

• M1: 144,212 km (0.081 R)
• M2: 664,663 km (0.097 R)
• M3: 1,028,934 km (0.087 R)
• M4: 1,524,103 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.7

Radius: 11.9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.52 AU - 0.6 AU

Year: 295 Days

Day: 6.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 59,102,929 km

• M1: 147,952 km (0.054 R)
• M2: 675,135 km (0.115 R)
• M3: 1,091,616 km (0.105 R)
• M4: 1,570,179 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.5

Radius: 10.2

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.07 AU - 1.41 AU

Year: 971 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,102,929 km

• M1: 126,859 km (0.102 R)
• M2: 591,510 km (0.116 R)
• M3: 965,654 km (0.089 R)
• M4: 1,443,021 km (0.085 R)
• M5: 5,086,178 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.2

Radius: 13.2

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.27 AU - 2.85 AU

Year: 2879 Days

Day: 12.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,102,929 km

• M1: 164,109 km (0.092 R)
• M2: 622,028 km (0.036 R)
• M3: 1,749,697 km (0.071 R)
• M4: 2,182,633 km (0.112 R)
• M5: 3,187,033 km (0.101 R)
• M6: 3,763,583 km (0.075 R)
• M7: 4,236,761 km (0.079 R)
• M8: 6,205,320 km (0.062 R)
• M9: 6,798,475 km (0.07 R)
• M10: 7,329,548 km (0.111 R)
• M11: 7,993,014 km (0.068 R)
• M12: 8,723,949 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.3

Radius: 13.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.32 AU - 2.94 AU

Year: 2998 Days

Day: 13 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,102,929 km

• M1: 165,904 km (0.117 R)
• M2: 742,155 km (0.109 R)
• M3: 1,645,128 km (0.052 R)
• M4: 3,159,058 km (0.096 R)
• M5: 3,729,026 km (0.111 R)
• M6: 4,668,650 km (0.085 R)
• M7: 5,362,784 km (0.037 R)
• M8: 6,728,314 km (0.094 R)
• M9: 7,221,837 km (0.119 R)
• M10: 8,747,436 km (0.112 R)
• M11: 9,230,488 km (0.11 R)
• M12: 10,100,100 km (0.066 R)
• M13: 11,023,717 km (0.086 R)
• M14: 12,256,554 km (0.09 R)
• M15: 13,762,555 km (0.06 R)
• M16: 16,196,961 km (0.114 R)
• M17: 19,192,210 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.8

Radius: 7.5

Gravity: 16.07 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.68 AU - 6.83 AU

Year: 10983 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,102,929 km

• M1: 119,828 km (0.113 R)
• M2: 533,616 km (0.113 R)
• M3: 998,117 km (0.103 R)
• M4: 1,470,098 km (0.055 R)
• M5: 1,924,128 km (0.114 R)
• M6: 2,231,551 km (0.082 R)
• M7: 2,787,906 km (0.079 R)
• M8: 3,458,703 km (0.046 R)
• M9: 3,695,965 km (0.106 R)
• M10: 4,000,546 km (0.108 R)
• M11: 4,292,113 km (0.09 R)
• M12: 5,150,655 km (0.08 R)
• M13: 8,040,287 km (0.1 R)
• M14: 8,505,686 km (0.092 R)
• M15: 9,137,588 km (0.054 R)
• M16: 10,659,596 km (0.069 R)
• M17: 14,739,579 km (0.103 R)
• M18: 15,366,244 km (0.087 R)
• M19: 16,155,972 km (0.07 R)
• M20: 19,754,100 km (0.097 R)
• M21: 22,187,459 km (0.097 R)
• M22: 27,120,299 km (0.113 R)
• M23: 32,155,314 km (0.099 R)
• M24: 32,620,564 km (0.115 R)
• M25: 36,379,509 km (0.106 R)
• M26: 36,884,701 km (0.063 R)
• M27: 37,266,625 km (0.12 R)
• M28: 40,687,778 km (0.072 R)
• M29: 41,781,189 km (0.085 R)
• M30: 43,034,520 km (0.075 R)
• M31: 43,316,512 km (0.093 R)
• M32: 46,056,098 km (0.086 R)
• M33: 48,299,019 km (0.095 R)
• M34: 54,140,965 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.3

Radius: 8

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.84 AU - 8 AU

Year: 12796 Days

Day: 19 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,102,929 km

• M1: 99,483 km (0.092 R)
• M2: 384,317 km (0.098 R)
• M3: 719,267 km (0.106 R)
• M4: 1,172,847 km (0.083 R)
• M5: 2,143,737 km (0.065 R)
• M6: 2,543,463 km (0.107 R)
• M7: 2,992,257 km (0.088 R)
• M8: 3,626,552 km (0.077 R)
• M9: 3,875,782 km (0.064 R)
• M10: 5,512,083 km (0.071 R)
• M11: 6,031,936 km (0.091 R)
• M12: 8,784,686 km (0.119 R)
• M13: 9,185,459 km (0.081 R)
• M14: 10,798,124 km (0.12 R)
• M15: 12,156,024 km (0.113 R)
• M16: 17,845,530 km (0.098 R)
• M17: 21,939,425 km (0.102 R)
• M18: 24,203,440 km (0.082 R)
• M19: 28,750,766 km (0.061 R)
• M20: 29,523,140 km (0.109 R)
• M21: 37,107,752 km (0.026 R)
• M22: 38,953,490 km (0.107 R)
• M23: 46,949,497 km (0.092 R)
• M24: 48,020,019 km (0.088 R)
• M25: 49,106,847 km (0.086 R)
• M26: 52,957,197 km (0.095 R)
• M27: 54,451,531 km (0.079 R)
• M28: 58,749,627 km (0.043 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 14,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit