🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959

Radius: 8.6

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.84 AU - 1.14 AU

Year: 636 Days

Day: 9.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,341,534 km

• M1: 107,561 km (0.046 R)
• M2: 456,423 km (0.103 R)
• M3: 840,441 km (0.103 R)
• M4: 1,199,925 km (0.11 R)
• M5: 1,533,677 km (0.104 R)
• M6: 2,079,111 km (0.077 R)
• M7: 2,854,477 km (0.04 R)
• M8: 3,152,177 km (0.069 R)
• M9: 3,456,908 km (0.093 R)
• M10: 3,958,659 km (0.08 R)
• M11: 4,346,117 km (0.103 R)
• M12: 4,674,185 km (0.116 R)
• M13: 5,215,431 km (0.05 R)
• M14: 5,662,728 km (0.119 R)
• M15: 6,054,675 km (0.1 R)
• M16: 6,360,602 km (0.026 R)
• M17: 6,871,329 km (0.117 R)
• M18: 7,501,585 km (0.046 R)
• M19: 8,096,386 km (0.081 R)
• M20: 8,392,889 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.9

Radius: 10.9

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.33 AU - 2.15 AU

Year: 1482 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,341,534 km

• M1: 135,835 km (0.098 R)
• M2: 524,191 km (0.047 R)
• M3: 1,001,707 km (0.097 R)
• M4: 1,398,590 km (0.114 R)
• M5: 1,972,149 km (0.096 R)
• M6: 2,378,606 km (0.069 R)
• M7: 2,749,010 km (0.079 R)
• M8: 3,288,610 km (0.092 R)
• M9: 4,380,525 km (0.074 R)
• M10: 4,787,431 km (0.051 R)
• M11: 5,239,965 km (0.06 R)
• M12: 6,991,008 km (0.094 R)
• M13: 7,865,108 km (0.081 R)
• M14: 10,530,793 km (0.07 R)
• M15: 11,162,395 km (0.104 R)
• M16: 11,574,088 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.4

Radius: 13.3

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.52 AU - 2.26 AU

Year: 1678 Days

Day: 12.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,341,534 km

• M1: 169,046 km (0.079 R)
• M2: 634,445 km (0.106 R)
• M3: 1,386,623 km (0.077 R)
• M4: 2,316,373 km (0.073 R)
• M5: 4,466,244 km (0.11 R)
• M6: 4,921,770 km (0.106 R)
• M7: 5,518,366 km (0.095 R)
• M8: 6,258,876 km (0.043 R)
• M9: 6,856,968 km (0.101 R)
• M10: 9,100,038 km (0.048 R)
• M11: 12,170,834 km (0.108 R)
• M12: 13,919,334 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.4

Radius: 14.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.04 AU - 3.88 AU

Year: 4156 Days

Day: 9 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,341,534 km

• M1: 179,069 km (0.096 R)
• M2: 796,758 km (0.103 R)
• M3: 1,301,202 km (0.08 R)
• M4: 1,983,668 km (0.09 R)
• M5: 2,441,587 km (0.065 R)
• M6: 2,898,459 km (0.075 R)
• M7: 3,494,457 km (0.106 R)
• M8: 4,265,185 km (0.103 R)
• M9: 5,200,920 km (0.031 R)
• M10: 6,614,320 km (0.104 R)
• M11: 7,239,939 km (0.05 R)
• M12: 8,420,415 km (0.095 R)
• M13: 9,478,820 km (0.105 R)
• M14: 11,907,392 km (0.07 R)
• M15: 13,916,791 km (0.115 R)
• M16: 14,452,650 km (0.084 R)
• M17: 17,650,454 km (0.096 R)
• M18: 19,513,995 km (0.088 R)
• M19: 21,293,462 km (0.061 R)
• M20: 28,891,986 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.9

Radius: 12.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.62 AU - 5.88 AU

Year: 7767 Days

Day: 10.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,341,534 km

• M1: 157,527 km (0.036 R)
• M2: 1,090,868 km (0.093 R)
• M3: 1,558,660 km (0.075 R)
• M4: 1,965,417 km (0.083 R)
• M5: 3,227,873 km (0.105 R)
• M6: 3,839,130 km (0.099 R)
• M7: 4,595,198 km (0.042 R)
• M8: 5,396,743 km (0.048 R)
• M9: 7,925,994 km (0.051 R)
• M10: 12,516,704 km (0.039 R)
• M11: 13,352,807 km (0.038 R)
• M12: 16,301,830 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.2

Radius: 5.8

Gravity: 22.87 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.88 AU - 9.42 AU

Year: 13662 Days

Day: 16 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,341,534 km

• M1: 72,256 km (0.075 R)
• M2: 262,843 km (0.082 R)
• M3: 540,497 km (0.11 R)
• M4: 1,238,371 km (0.047 R)
• M5: 1,581,997 km (0.077 R)
• M6: 1,932,954 km (0.046 R)
• M7: 3,460,648 km (0.11 R)
• M8: 4,514,864 km (0.101 R)
• M9: 5,919,887 km (0.069 R)
• M10: 6,679,994 km (0.087 R)
• M11: 8,538,897 km (0.098 R)
• M12: 14,185,319 km (0.109 R)
• M13: 14,463,421 km (0.115 R)
• M14: 18,748,353 km (0.108 R)
• M15: 19,765,319 km (0.076 R)
• M16: 20,551,755 km (0.044 R)
• M17: 23,711,562 km (0.117 R)
• M18: 24,202,093 km (0.047 R)
• M19: 25,816,853 km (0.086 R)
• M20: 26,756,178 km (0.088 R)
• M21: 29,484,394 km (0.113 R)
• M22: 30,051,519 km (0.1 R)
• M23: 34,852,564 km (0.105 R)
• M24: 37,832,105 km (0.096 R)
• M25: 39,178,934 km (0.087 R)
• M26: 40,977,250 km (0.095 R)
• M27: 50,475,818 km (0.097 R)
• M28: 55,473,882 km (0.119 R)
• M29: 55,818,257 km (0.044 R)
• M30: 60,245,306 km (0.073 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 11,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit