🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.4

Radius: 11.8

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.44 AU - 0.62 AU

Year: 266 Days

Day: 8.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,473,771 km

• M1: 146,756 km (0.116 R)
• M2: 633,098 km (0.073 R)
• M3: 1,088,773 km (0.071 R)
• M4: 1,553,723 km (0.049 R)
• M5: 2,091,528 km (0.108 R)
• M6: 2,593,429 km (0.118 R)
• M7: 3,185,088 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.3

Radius: 14.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.54 AU - 0.74 AU

Year: 353 Days

Day: 5.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,473,771 km

• M1: 185,352 km (0.089 R)
• M2: 704,905 km (0.115 R)
• M3: 1,341,893 km (0.093 R)
• M4: 1,932,505 km (0.094 R)
• M5: 2,670,771 km (0.095 R)
• M6: 3,234,904 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.5

Radius: 14.6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.88 AU - 1.04 AU

Year: 649 Days

Day: 14.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,473,771 km

• M1: 181,612 km (0.113 R)
• M2: 707,000 km (0.106 R)
• M3: 1,323,941 km (0.069 R)
• M4: 2,307,697 km (0.116 R)
• M5: 3,185,537 km (0.089 R)
• M6: 5,549,483 km (0.111 R)
• M7: 6,077,713 km (0.104 R)
• M8: 6,785,311 km (0.08 R)
• M9: 7,390,584 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 12.8

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.45 AU - 2.05 AU

Year: 1598 Days

Day: 9 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,473,771 km

• M1: 159,621 km (0.093 R)
• M2: 933,491 km (0.069 R)
• M3: 2,170,665 km (0.099 R)
• M4: 2,967,274 km (0.113 R)
• M5: 3,500,441 km (0.108 R)
• M6: 4,152,837 km (0.109 R)
• M7: 4,679,122 km (0.108 R)
• M8: 5,140,482 km (0.084 R)
• M9: 6,353,721 km (0.106 R)
• M10: 7,749,469 km (0.095 R)
• M11: 8,337,688 km (0.061 R)
• M12: 9,275,666 km (0.067 R)
• M13: 9,736,877 km (0.104 R)
• M14: 10,213,346 km (0.06 R)
• M15: 10,921,093 km (0.099 R)
• M16: 11,699,301 km (0.052 R)
• M17: 12,238,303 km (0.117 R)
• M18: 12,793,909 km (0.112 R)
• M19: 13,283,543 km (0.118 R)
• M20: 13,998,471 km (0.056 R)
• M21: 14,606,287 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.6

Radius: 14.1

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.43 AU - 4.05 AU

Year: 4026 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,473,771 km

• M1: 179,218 km (0.066 R)
• M2: 831,315 km (0.046 R)
• M3: 1,984,715 km (0.111 R)
• M4: 2,429,918 km (0.087 R)
• M5: 3,336,033 km (0.062 R)
• M6: 3,858,877 km (0.101 R)
• M7: 5,210,045 km (0.071 R)
• M8: 7,056,083 km (0.12 R)
• M9: 7,616,925 km (0.062 R)
• M10: 8,080,529 km (0.05 R)
• M11: 10,537,824 km (0.1 R)
• M12: 11,875,827 km (0.12 R)
• M13: 13,016,960 km (0.066 R)
• M14: 14,603,445 km (0.087 R)
• M15: 15,272,895 km (0.052 R)
• M16: 15,714,060 km (0.036 R)
• M17: 16,621,969 km (0.074 R)
• M18: 17,617,842 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.6

Radius: 14.6

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.2 AU - 4.26 AU

Year: 6005 Days

Day: 5.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 26,473,771 km

• M1: 184,903 km (0.104 R)
• M2: 728,392 km (0.09 R)
• M3: 1,357,750 km (0.074 R)
• M4: 2,064,151 km (0.085 R)
• M5: 2,707,273 km (0.099 R)
• M6: 3,311,798 km (0.107 R)
• M7: 3,958,360 km (0.09 R)
• M8: 5,300,851 km (0.107 R)
• M9: 5,966,561 km (0.086 R)
• M10: 6,928,775 km (0.092 R)
• M11: 8,869,807 km (0.029 R)
• M12: 9,374,999 km (0.113 R)
• M13: 10,629,078 km (0.088 R)
• M14: 11,740,590 km (0.093 R)
• M15: 12,716,268 km (0.044 R)
• M16: 16,154,326 km (0.04 R)
• M17: 17,296,356 km (0.076 R)
• M18: 17,754,874 km (0.1 R)
• M19: 18,627,777 km (0.12 R)
• M20: 20,532,009 km (0.12 R)
• M21: 21,569,171 km (0.065 R)
• M22: 22,100,692 km (0.092 R)
• M23: 22,563,248 km (0.045 R)
• M24: 24,070,597 km (0.068 R)
• M25: 26,069,673 km (0.075 R)
• M26: 29,737,364 km (0.117 R)
• M27: 31,645,634 km (0.086 R)
• M28: 33,230,025 km (0.111 R)
• M29: 34,659,283 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.7

Radius: 10.3

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.11 AU - 6.49 AU

Year: 8422 Days

Day: 11.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,473,771 km

• M1: 128,056 km (0.109 R)
• M2: 465,698 km (0.077 R)
• M3: 967,300 km (0.032 R)
• M4: 1,702,873 km (0.093 R)
• M5: 3,060,024 km (0.056 R)
• M6: 4,253,516 km (0.091 R)
• M7: 5,456,882 km (0.091 R)
• M8: 6,622,099 km (0.062 R)
• M9: 7,565,464 km (0.107 R)
• M10: 7,945,891 km (0.1 R)
• M11: 10,631,771 km (0.114 R)
• M12: 12,439,063 km (0.1 R)
• M13: 13,820,450 km (0.088 R)
• M14: 14,390,118 km (0.12 R)
• M15: 15,356,072 km (0.057 R)
• M16: 15,967,478 km (0.085 R)
• M17: 16,422,106 km (0.045 R)
• M18: 20,112,686 km (0.115 R)
• M19: 21,801,496 km (0.073 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 12,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit